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Equipment Insulation – Fasteners and Related Materials for Equipment

1. SCOPE……………………………………..2. REFERENCES
3. MATERIALS
3.1
Stainless Steel Wire ……………….
3.2
Inspection Plug
3.3
Stainless Steel Bands and Seals
3.4 Monel Wire …………………………..3.5 Monel Bands
3.6
Staples
3.7
Spindle Anchors…………………….
3.8
Vinyl Labeling Tape
3.9
Sewing Thread
3.10 Others ………………………………….

1. Scope
This specification is for fasteners and related materials for thermal insulation of equipment.
2. References
Reference is made in this specification to the following documents. The latest issues, amendments, and
supplements to these documents shall apply unless otherwise indicated.
SABIC Engineering Standards (SES)
N01-F10 Corrosion Protection of Insulated Equipment
N01-F18 Insulation – Test Holes Sealing
N01-S01 Index of Materials for Insulation of Equipment
American Society for Testing of Materials (ASTM)
E 84 Standard Test Method for Surface Burning Characteristics of Building Materials

3. Materials
For a complete listing of codes, see SES N01-S01.
3.1 Stainless Steel Wire

 

STAINLESS STEEL WIRE

CODE
921 922
Thickness 1.2 mm (18 gage) 1.6 mm (16 gage)
Purpose Secure insulation to pipe or equipment Secure insulation to pipe or equipment
Description Soft annealed stainless steel wire

1.2 mm (0.047 in) diameter (18 gage). Type 430 minimum 16 percent chrome preferred. Type 304 acceptable.

Soft annealed stainless steel wire

1.6 mm (0.063 in) diameter (16 gage). Type 430 minimum 16 percent chrome preferred. Type 304 acceptable.

Dimensions 2.27 kg (5 lb) spools, 22 m/kg

(160 ft/lb)

22.7 kg (50 lb) rolls, 22 m/kg

(160 ft/lb)

2.27 kg (5 lb) spools, 13 m/kg

(96 ft/lb)

22.7 kg (50 lb) rolls, 13 m/kg (96 ft/lb)

3.2 Inspection Plug

 

INSPECTION PLUG

CODE
924 924.1 924.2
Recommended Temperature Range -73.3 to +648  C (-100 to +1200  F) +2 to +648  C (+35 to +1200  F) +2 to +648  C (+35 to +1200  F)
Purpose Provide method of sealing test holes in insulation for ultrasonic testing of metal thickness or visual inspection for external corrosion of insulated equipment and pipe in hot or cold service Provide method for sealing test holes in insulation for ultrasonic testing of metal thickness or visual inspection for external corrosion of insulated equipment and pipe in hot or cold service Provide method for sealing test holes in insulation for ultrasonic testing of metal thickness or visual inspection for external corrosion of insulated equipment and pipe in hot or cold service
Description Swaging tool inspection port assembly. Port assembly consists of a silicone rubber plug, ‘O’ ring, and aluminum grommet Port assembly consists of a silicone rubber plug, aluminum plug flange, and

‘O’ ring. Other accessories include cables to prevent plug loss, data or ID tags, and extension sleeve for asbestos protection.

Port assembly consists of a silicone rubber plug, stainless steel plug flange, and ‘O’ ring. Other accessories include cables to prevent plug loss, data or ID tags, and extension sleeve for asbestos protection.
Moisture Resistance or Water Vapor Permeability Excellent
Resistance to Handling Breakage Excellent
Dimensions Available in 38, 63 and

127 mm (11/2, 21/2, and 5 in) diameters

Available in 38, 63 and

127 mm (11/2, 21/2, and

5 in) diameters

Available in 38, 63 and

127 mm (11/2, 21/2, and

5 in) diameters

Flame-Spread/Smoke-

Density Rating, see

ASTM E 84

25/50 or less
Notes 38 mm (11/2 in) ports are recommended when the outside diameter of insulation is less than

150 mm (6 in). 63 mm (21/2 in) ports are recommended for outside diameter larger than

150 mm (6 in). 127 mm

(5 in) diameter ports may be used where outside diameter is greater than

460 mm (18 in). Aluminum grommet is available in various lengths; ask vendors for details. Adaptor component is available for installation on corrugated jacketing. Separate

swaging head required for

38 mm (11/2 in) ports are recommended when the outside diameter of insulation is less than

150 mm (6 in). 63 mm (21/2 in) ports are recommended for outside diameter larger than

150 mm (6 in). 127 mm

(5 in) diameter ports may be used where outside diameter is greater than

460 mm (18 in). Rubber gaskets are available for installing ports in corrugated metal.

Swaging tool not required for installation.

38 mm (11/2 in) ports are recommended when the outside diameter of insulation is less than

150 mm (6 in). 63 mm (21/2 in) ports are recommended for outside diameter larger than

150 mm (6 in). 127 mm

(5 in) diameter ports may be used where outside diameter is greater than

460 mm (18 in). Rubber gaskets are available for installing ports in corrugated metal.

Swaging tool not required for installation.

3.3 Stainless Steel Bands and Seals

STAINLESS STEEL BANDS AND SEALS CODE
926 926.1
Thickness 10 mm (3/8 in) 8 mm (5/16 in)
Purpose Secure insulation to pipe or equipment and jackets over the insulation Secure insulation to pipe or equipment and jackets over the insulation
Description Soft annealed stainless steel

10 x 0.4 mm (3/8 x 0.015 in) bands and seals. Type 430 minimum

16 percent chrome preferred. Type 304 acceptable.

AISI 302/304 nonmagnetic stainless steel 8 x 0.4 mm (5/16 x 0.015 in) bands and seals (buckles)
Dimensions Available precut from most distributors Available precut to specified lengths or coils

Coils – 60 m (200 ft) Coils – 300 m (1000 ft)

Notes Seal (or buckle) made to guard against injury from cuts or scrapes. Banding has beveled edges to help guard against possible cuts.
  926.2 927
Thickness 20 mm (3/4 in) 20 mm (3/4 in)
Purpose Secure insulation to pipe or equipment and jackets over the insulation Secure insulation to pipe or equipment and jackets over the insulation
Description AISI 302/304 nonmagnetic stainless steel 20 x 0.4 mm (3/4 x 0.015 in) bands and seals (buckles) Soft annealed stainless steel

20 x 0.4 mm (3/4 x 0.015 in) bands and seals. Type 430 minimum

16 percent chrome preferred. Type 304 acceptable.

Dimensions Available precut to specified lengths or coils

Coils – 60 m (200 ft) Coils – 300 m (1000 ft)

Available precut from most distributors
Notes Seal (or buckle) made to guard against injury from cuts or scrapes. Banding has beveled edges to help guard against possible cuts
STAINLESS STEEL BANDS AND SEALS (Continued) CODE
928 929
Thickness 30 mm (11/4 in) 10 mm (3/8 in) seals and racks
Purpose Secure insulation to pipe or equipment and jackets over the insulation Make adjustable removable bands
Description Stainless steel 30 x 0.5 mm (11/4 x

0.020 in) bands and seals. Type 304.

Seal (Type 401 stainless steel) with

0.4 mm (0.017 in) band (Type 201 stainless steel)

Dimensions Coils – 27.2 kg (60 lb)
Notes Standard 27.2 kg (60 lb) coils and IM pusher type seals. Type 304 stainless steel.

3.4 Monel Wire

 

MONEL WIRE

CODE
931 932
Purpose Secure insulation to pipe or equipment and jackets over the insulation Secure insulation to pipe or equipment
Thickness 1.2 mm (0.047 in) diameter (18 gage) 1.6 mm (0.063 in) diameter (16 gage)
Dimensions 2.27 kg (5 lb) spools, 22 m/kg

(160 ft/lb)

22.7 kg (50 lb) rolls, 22 m/kg

(160 ft/lb)

2.27 kg (5 lb) spools, 13 m/kg

(96 ft/lb)

22.7 kg (50 lb) rolls, 13 m/kg (96 ft/lb)

3.5 Monel Bands

 

MONEL BANDS

CODE
936 937
Thickness 10 mm (3/8 in) 20 mm (3/4 in)
Purpose Secure insulation to pipe or equipment and jackets over the insulation Secure insulation to pipe or equipment and jackets over the insulation
Dimensions 10 x 0.4 mm (3/8 x 0.015 in) 20 x 0.4 mm (3/4 x 0.015 in)

3.6 Staples

 

STAPLES

CODE
962 963
Purpose Add in insulation fabrication Secure jacket and cloth to insulation
Description Lagger copper-coated 20 x 20 mm

(3/4 x 3/4 in)

Diverter point, gun-type staples, made from Monel, Everdur, aluminum, or steel
Dimensions 20 x 20 mm (3/4 x 3/4 in)

22.7 kg (50 lb/box)

15,400/box

13 x 13 mm (1/2 x 1/2 in)

5,000/box

Notes Use only Duo-Fast staples with Duo-Fast stapler and only Bostitch staples with Bostitch stapler. Specify type of material required. Specify length of spindle required.

3.7 Spindle Anchors

 

SPINDLE ANCHORS

CODE
964.1 964.2 964.3
Material Metal plate Nylon plate one-piece molded
Recommended Temperature Range +93  C (+200  F) max +82  C (+180  F) max
Purpose Secure insulation to ducts or equipment Secure insulation to ducts or equipment Secure insulation to ducts or equipment
Description No. IH – A, 50 x 50 mm

(2 x 2 in) metal plate with

40 mm (15/8 in) long 12 gage wire spindle and 2.5 x 2.5 mm (1 in2) No. WB self-locking metal washer. Also available with spindle lengths 25, 50, 63,

89, 114, 140 and 216 mm (1,

2, 21/2, 31/2, 41/2, 51/2, and

81/2 in), with 70 mm (23/4 in)

plates.

101 or 109 Tuff-Weld (nylon base) 40 mm (15/8 in) OD

fitted with 40 mm (15/8 in) long

12 gage spindle and No. WB

2.5 x 2.5 mm (1 in2)

self-locking washer. Can be purchased disassembled. Other spindle lengths and types of washers available.

TWU Tuff-Weld hanger and washer unit. Zytel 101 or 109 first-run, one-piece molded unit with 40 mm (15/8 in) diameter baseplate and a

63 mm (21/2 in) spindle. Self-locking nylon washer

35 mm (13/8 in).

Dimensions 50 x 50 mm (2 x 2 in) with

40 mm (15/8 in) long spindle and 2.5 x 2.5 mm (1 in2) washer

40 mm (15/8 in) round OD base with 40 mm (15/8 in) spindle 40 mm (15/8 in) baseplate with

63 mm (11/2 in) spindle

Notes Specify length of spindle required

3.8 Vinyl Labeling Tape

 

VINYL LABELING TAPE

CODE
988.1 988.2
Color Red Orange
Purpose Label materials and other surfaces known to contain asbestos fibers to assist in compliance with S4T Label materials and other surfaces known to contain big ‘C’ non-asbestos respirable fibers to assist in compliance with S15T
Description 4 mil x 2 in wide red vinyl marking tape with clear Mylar overlay 1 mil thick designates asbestos fibers per S4T 4 mil x 2 in wide green vinyl marking tape with clear Mylar overlay 1 mil thick designates NR to reference

non-respirable fibers per S15T

Dimensions Rolls 2 in wide x 300 ft long x 5 mil total thickness Rolls 2 in wide x 300 ft long x 5 mil total thickness
Notes Red background with white letters ASB as the abbreviation for asbestos. When marking aged surfaces, apply

spray adhesive prior to applying tape.

Use enough tape on piping to adhere tape to itself.

Orange background with black letters NARF (non-asbestos respirable fiber) underlined. Use this tape to identify big ‘C’ NARFs.

When marking aged surfaces, apply spray adhesive prior to applying tape. Use enough tape on piping to adhere tape to itself.

VINYL LABELING TAPE (Continued) CODE
 

988.3

 

988.4

 

988.5

Color Yellow Green
Purpose Label materials and other surfaces known to contain big

‘C’ non-asbestos respirable fibers to assist in compliance with S15T

Label materials and other surfaces known to contain

non-respirable fibers to assist in compliance with S15T

Inform personnel of the meaning of the labeling tapes under codes 988.1, 988.2,

988.3, and 988.4

Description 4 mil x 2 in wide yellow vinyl marking tape with clear Mylar overlay 1 mil thick designates NARF to reference little ‘C’ fibers per S15T 4 mil x 2 in wide green vinyl marking tape with clear Mylar overlay 1 mil thick designates NR to reference

non-respirable fibers per S15T

Labeling tape description board. Durable, laminated information board to be posted in shops, control

rooms, or other areas thought best for display.

Dimensions Rolls 2 in wide x 300 ft long x

5 mil total thickness

Rolls 2 in wide x 300 ft long x

5 mil total thickness

8 in x 12 in
Notes Yellow background with black letters NARF (non-asbestos respirable fiber) underlined. Use this tape to identify little

‘C’ NARFs.

When marking aged surfaces, apply spray adhesive prior to applying tape. Use enough tape on piping to adhere tape to itself.

Green background with white letters, NR (non-respirable). Use this tape to identify materials that do not require special handling per S4T or S15T.

When marking aged surfaces, apply spray adhesive prior to applying tape. Use enough tape on piping to adhere tape to itself.

Post in areas as a reminder of the respirable fiber content of labeled items

3.9 Sewing Thread

 

SEWING THREAD

CODE
993 993.1
Material Glass Metalized
Recommended Temperature

Range

+316  C (+600  F) +982  C (+1800  F)
Purpose Sew cloth covering for insulation materials used for

removable-reusable  pads, flange covers, and insulation blankets

Sew cloth covering for insulation materials used for

removable-reusable  pads, flange covers, and insulation blankets exposed to high temperatures

Description High-temperature Teflon coated, glass fiber thread High-temperature stainless steel strands wrapped with cotton cloth
Dimensions Below 100 ppm 8 in x 12 in
Notes D-24 0.021 in dia

D-39 0.025 in dia

2 lb spool standard package. See SN1A for metal substrate protection required.

Should not be used in an electrically conductive environment. Can be machine sewn. Product No. 20 (0.016 in dia). Product No. 13

(0.020 in dia). Spool available in

2,000 and 4,000 meter lengths.

3.10 Others

 

OTHERS

CODE
969 971.1
Material High-temperature, glass-cloth tape Sheet-metal screws (stainless steel)
Recommended Temperature

Range

-73.3 to +260  C (-100 to +500  F)
Purpose Tape ends on glass stocking to prevent fraying and to tape electrical tracing to pipe Secure aluminum jacket over insulation
Description A durable woven, high-temperature fiberglass cloth coated on one side with a high-temperature

silicone-polymer adhesive

Type 410 stainless steel slotted

13 mm (1/2 in) hex washer

head-shouldered ANSI Type AB, self-drilling, self-tapping

Maximum Leachable Chlorides SES N01-F10 – Below 100 ppm SES N01-F10
Dimensions Roll 6 to 914 mm (1/4 to 36 in)

wide x 33 m (36 yd) long

Notes This is an exceptionally strong, abrasion-resistant tape providing maximum solvent resistance. Has excellent temperature resistance, and is thermally stable. The adhesive on this tape does not contain chlorides or other halides and may be used on stainless steel. Maximum temperature

+260  C (+500  F). See

SES N01-F10 for metal substrate protection required.

Use size No. 6 or No. 7 by 10 mm

(3/8 in) long

  972 973
Material Galvanized sheet metal Black Hi-Rib lath
Purpose Protect and support insulation Provide support for high-temperature mineral wool and sprayed fibrous insulation
Description 24 gage (0.4 mm (0.024 in) thick)

galvanized steel sheet

2 in square mesh with Vee ribs – black

Hi-Rib lath

Dimensions Sheet 1220 x 2440 mm (4 x 8 ft) (24 gage)
 

OTHERS (Continued)

CODE
979 979.1
Material Insulation pins (weldable) Cupped-head, insulation weld pin
Purpose Secure insulation to equipment and ducts Secure insulation to equipment and ducts
Description Insulation weld pins 10 gage. Spindle length 3/4 in to 6 in. Cupped-head insulation weld pins with 11/2 in diameter head disks and

10 gage pin of required length, zinc

plated after assembly

Dimensions 10 gage pin. Spindle length 3/4 in to

6 in.

11/2 in 10 gage diameter head. Spindle length 3/4 to 6 in.
Notes Weldable pin materials are copper- plated or cadmium-plated mild steel, stainless steel, and aluminum. Specify type of material and length of pins required. 10 gage – Use on metals 10 gage through 18 gage. Available standard pins are zinc-plated mild steel. Weldable base material: mild steel, stainless steel, galvanized steel. Specify base material and length of spindle required.
  979.2 979.3
Material Annular-grooved shoulder studs Retaining set lock cap
Purpose Secure aluminum jacket over insulation Secure aluminum jacket to the annular grooved shoulder studs
Description Carbon steel or stainless steel 5/16 in diameter x required length. Annular grooved stem is 0.187 in OD x

0.375 in long.

Aluminum set lock cap
Dimensions 1/2 in OD base x 15/32 in high
Notes Specify type of material and length on order. May be capacitor discharge welded. Use on annular grooved shoulder studs
 

OTHERS (Continued)

CODE
979.4 980
Material Capped speed washer 4 in expansion springs
Purpose Secure aluminum jacket to spindle anchors or insulation pins Accommodate the expansion and contraction of pipes, small-diameter tanks, vessels, and equipment
Description Spring steel speed washers with

12 gage impression and aluminum domed cap securely attached. Available plain aluminum or painted white.

Single spring manufactured from stainless steel
Dimensions 7/8 in OD x 9/32 in high 43/8 in long x 13/16 in high x 3/8 in wide
Notes Use on 12 gage pins. For use where no sharp points or edges of the pin are permissible. Pin should extend

1/4 in beyond the insulation jacket surface. Specify plain aluminum or painted white on order.

A single flat rectangular spring designed to expand when the band is in tension. Can be used with 3/4 in wide bands. For use where moderate band tension is expected. The spring is designed to expand 2 in with 58 lb tension and 21/2 in with 68 lb tension. Recommended for use on every

60 linear feet of banding. Install with the spring stretched 1/2 in. The maximum expansion of the spring should not exceed 21/2 in beyond its original length.

 

OTHERS (Continued)

CODE
980.1 981
Material Heavy duty, expansion springs Finger straps
Purpose Accommodate the expansion and contraction of tanks, vessels, and equipment with a diameter of 10 ft or greater Provide support for fiberglass insulation and insulation bands on large tanks
Description Two springs and assembly manufactured from stainless steel 3/4 in x 0.015 in Type 430 stainless steel die-cut strapping
Dimensions 53/4 in long x 1 in high x 1 in wide Roll – 0.015 in x 3/4 in wide
Notes An assembled unit containing two round springs secured to mounting plates with a bolt. The springs are designed to compress with 300 lb/in when the band is in tension. Can be used with 11/4 in wide bands. Recommended for use on every

25 linear ft of banding. Install with each spring to be in compression by

1/4 in. Each unit will accommodate a

total compression of 11/2 in.

Die-cut strapping for support and alignment of insulation bands on tanks can be furnished on 3 in to 12 in centers. For strapping fiber-glass to ducts, 5 in finger can be furnished on

9 in to 17 in centers.

  984 985
Material Insulation load-bearing segments Tedlar type (pressure-sensitive)
Recommended Temperature

Range

-73.3 to +121  C (-100 to +250  F) +60  C (+140  F) max
Purpose Insulate load-bearing segments for pipe and equipment Seal vertical and horizontal laps on

Tedlar and Hypalon finish systems

Description High-density polyisocyanurate 85 psi,

5 percent deflection

Tedlar tape (pressure-sensitive)

11/2 in wide x 3.5 mil thick. Color: White or gray.

Maximum Leachable Chlorides, see SES N01-F10 Below 450 ppm Below 100 ppm
Dimensions Specify on order Roll – 11/2 in wide x 3.5 mil thick x

180 ft long

Flame-Spread/Smoke-Density

Rating, see ASTM E 84

Less than 25/greater than 50 25/50 or less
Notes Rigid polyisocyanurate 85 psi

5 percent deflection 4 lb density. See SN1A for metal substrate protection required.

See SN1A for metal substrate protection required
 

OTHERS (Continued)

CODE
985.1 988
Material Tedlar pressure-sensitive tape Polyester film tape
Recommended Temperature

Range

-28.9  to +93  C (-20 to +200  F)
Purpose Fasten and seal Tedlar-glass-Hypalon  laminate Secure fiberglass insulation when field-applied jacket is to be used
Description 1.5 mil thick white Tedlar film coated with noncombustible

pressure-sensitive adhesive

Pressure-sensitive polyester film tape reinforced with continuous glass yarn filaments, Scotchbrand No. 898
Maximum Leachable Chlorides, see SES N01-F10 Below 100 ppm
Moisture Resistance or Water

Vapor Permeability

Good
Density 3.5 to 4.0 oz/yd2
Dimensions 2 in wide, 50 yd/roll, 16 rolls/carton Roll – 1/2 in wide x 180 ft long
Flame-Spread/Smoke-Density

Rating, see ASTM E 84

25/50 or less 25/50 or less
Notes Minimum 25 lb per in width tensile strength. UV- and ozone-resistant. Washable and abrasion-resistant. Water resistance: no delamination after 24 hours in boiling water. Oil resistance: no delamination after

24 hours in oil at ambient temperature. Total tape thickness:

4.5 mil min to 6.0 mil max (not including release paper). See SN1A for metal substrate protection required.

See SN1A for metal substrate protection required
 

OTHERS (Continued)

CODE
965 994
Material Hardware cloth Lacing hook assembly
Recommended Temperature

Range

+316  C (+600  F) max
Purpose Provide reinforcement for removable soft covers and sprayed

fibrous-thermal insulation

Secure removable-reusable insulating blankets to pipe and equipment
Description 13 mm (1/2 in) square mesh, iron or steel galvanized wire Insulation cover lacing hooks with integral pin and self-locking type washer
Dimensions 12 gage pin.

Spindle length 15/8 in to 8 in.

Notes Materials available are zinc-plated, cadmium-plated, stainless steel, and Monel. Do not use plated materials on austenitic stainless steel at or above

+316  C (+600  F). Stainless steel and Monel in 4 in length only. Specify type of material and length of pins required.

 

OTHERS (Continued)

CODE
995 995.1
Material Custom-made, flexible removable and reusable valve and flange covers Pre-engineered, pre-insulated panel insulation systems
Purpose Insulation covers Permit the application of the insulation and its finish in one operation for equipment (columns, tanks)
Description Glass fiber insulation encased in silicone-coated glass cloth, uncoated glass cloth, or a combination of both Panel insulation systems consist of metal sheets that have the required thermal insulation fastened to them. The jackets on pre-insulated panels may be smooth flat, embossed flat, deep corrugated, box rib corrugated (smooth or embossed) and are either aluminum, galvanized steel, or stainless steel. The insulation material may be polyisocyanurate glass fiber, mineral wool, or a combination of these or other materials suitable for the service temperature.
Maximum Leachable Chlorides, see SES N01-F10 Look up material types to find leachable chlorides Look up material types to find leachable chlorides
Moisture Resistance or Water

Vapor Permeability

Impermeable
Resistance to Handling Breakage Good Excellent
Dimensions The recommended minimum thickness for aluminum should be

0.024 in for corrugated or box rib and

0.032 in for smooth sheet. Minimum thickness for stainless steel and galvanized steel per vendor’s recommendations.

Flame-Spread/Smoke-

Density Rating, see ASTM E 84

25/50 or less Determined by the panel thermal insulation
 

OTHERS (Continued)

CODE
995 995.1
Notes Where physical shape and thermal requirements of the equipment to be insulated are compatible with particular designs of panel insulation systems, field labor can be considerably reduced. Panel systems are more abuse-resistant than conventional insulation systems, thus protecting the integrity of the insulation and reducing continuing maintenance costs. Preferred panel insulation systems are completely designed by their manufacturer or vendor to provide for satisfactory panel support, corners, and other changes in geometry, guttering, expansion and contraction, metal flashing at doors and other penetration of the panels, removable panels on doors and other access covers, and prevention of ‘chimney’ effect. Drawings shall be prepared by contractor to clearly define the limits or scope of the contractor’s work and account for the above conditions. These drawings will aid in any future maintenance work. Panel insulation systems are for equipment operating above ambient temperatures.
 

OTHERS (Continued)

CODE
996 997
Material Stand-off fasteners S-clips (stainless steel)
Purpose Provide a fastener for securing fibrous insulation (block or blanket) and metal sheet to structural steel shapes without compressing the insulation Support metal jacket on vertical tanks
Description 1/4 in dia self-drilling, self-tapping screw with protective finish, stainless steel cap, and 5/8 in OD stainless steel washer with elastomeric (EPDM) sealing compound. Screw has transition from No. 12 to 14 in thread to prevent overdriving. S-Clips formed from 3/4 in x 0.015 in x

5 in long stainless steel bands

Dimensions Available in 17/8, 23/8, 3, 31/4, 31/2, and 4 in lengths 3 in long with 1 in deep pockets at each end
Notes Available without stainless steel cap for areas where corrosion or staining is not a problem. Install with conventional 1,900 to 2,500 rpm screw gun with a depth-locating

nose-piece. Specify insulation thickness on order.

This size accommodates a 3 in lap
 

OTHERS (Continued)

CODE
998 999.1
Material Nylon fasteners Pressure-sensitive tapes
Recommended Temperature

Range

+83  C (+180  F) max
Purpose Secure aluminum jacket over insulation Seal joints on fiberglass insulation with factory-applied foil scrim kraft (FSK) finish for ducts and flat surfaces
Description Clear nylon, one-piece tack/pin with six expansion lock rings 2 mil aluminum foil tape
Maximum Leachable Chlorides, see SES N01-F10 Below 100 ppm Below 100 ppm
Moisture Resistance or Water

Vapor Permeability

Fair
Resistance to Handling Breakage Good
Dimensions 3/16 in dia x 3/8 in long pin with 3/8 in dia head 2, 3, 4 in wide x 150, 200, and 300 ft long
Flame-Spread/Smoke-

Density Rating, see ASTM E 84

25/50 or less 25/50 or less
Notes 1000 tacks per package. See SN1A for metal substrate protection required. 3 in wide tape is suitable for most installations. The application surface shall be dry and clean. Do not apply tape to surfaces below +40   F, except as noted. Do not put tension on tape during application. When applying tape, thoroughly rub down with a nylon squeegee. Shelf life of two years when stored at

+70  F/50 percent relative humidity, out of direct sunlight. Tapes stored at temperatures below +50  F shall be exposed to a +70  F environment for

12 hours prior to use. This tape is not intended to support or hold insulation in place. See SN1A for metal substrate protection required.

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