Fire-Retardant Trim | McMaster-Carr

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About Foam

About Durometer Hardness Scales

About Rubber

Flame-Retardant Silicone Foam Sheets and Strips

Prevent the spread of flames with these self-extinguishing silicone foam sheets and strips. Foam, but not the adhesive, meets UL flame extinguishing specifications. Silicone maintains its flexibility across a wide range of temperatures. This foam has closed-cell construction, which restricts water, air, and gases from being absorbed.

For technical drawings and 3-D models, click on a part number.

Sheets with Smooth Texture

Color: Gray
Temperature Range: -85° to 400° F
Cell Type: Closed
For Use Outdoors: Yes
Density: 12 lbs./cu. ft.
Pressure to Compress 25%: 3 psi (Ultra Soft)
Tensile Strength Rating: Not Rated
Oil-Resistance Rating: Not Rated

6" × 6"
Thick.	Thick. Tolerance		Each
1/4"	-0.025" to 0.025"	000000000	000000
3/8"	-0.035" to 0.035"	000000000	00000
1/2"	-0.040" to 0.040"	000000000	00000
5/8"	-0.050" to 0.050"	000000000	00000
3/4"	-0.065" to 0.065"	000000000	00000
1"	-0.082" to 0.082"	000000000	000000
1 1/4"	-0.095" to 0.095"	000000000	000000
1 1/2"	-0.150" to 0.150"	000000000	000000
2"	-0.175" to 0.175"	000000000	000000
12" × 12"
1/4"	-0.025" to 0.025"	000000000	00000
3/8"	-0.035" to 0.035"	000000000	00000
1/2"	-0.040" to 0.040"	000000000	000000
5/8"	-0.050" to 0.050"	000000000	000000
3/4"	-0.065" to 0.065"	000000000	000000
1"	-0.082" to 0.082"	000000000	000000
1 1/4"	-0.095" to 0.095"	000000000	000000
1 1/2"	-0.150" to 0.150"	000000000	000000
2"	-0.175" to 0.175"	000000000	000000
24" × 24"
1/4"	-0.025" to 0.025"	000000000	000000
3/8"	-0.035" to 0.035"	000000000	000000
1/2"	-0.040" to 0.040"	000000000	000000
5/8"	-0.050" to 0.050"	000000000	000000
3/4"	-0.065" to 0.065"	000000000	000000
1"	-0.082" to 0.082"	000000000	000000
1 1/4"	-0.095" to 0.095"	000000000	000000
1 1/2"	-0.150" to 0.150"	000000000	000000
2"	-0.175" to 0.175"	000000000	00000000
36" × 36"
1/4"	-0.025" to 0.025"	000000000	000000
3/8"	-0.035" to 0.035"	000000000	000000
1/2"	-0.040" to 0.040"	000000000	000000
5/8"	-0.050" to 0.050"	000000000	00000000
3/4"	-0.065" to 0.065"	000000000	00000000
1"	-0.082" to 0.082"	000000000	00000000
1 1/4"	-0.095" to 0.095"	000000000	00000000
1 1/2"	-0.150" to 0.150"	000000000	00000000
2"	-0.175" to 0.175"	000000000	00000000

Adhesive-Back Sheets with Smooth Texture

Color: Gray
Temperature Range: -85° to 400° F
Cell Type: Closed
For Use Outdoors: Yes
Density: 12 lbs./cu. ft.
Pressure to Compress 25%: 3 psi (Ultra Soft)
Tensile Strength Rating: Not Rated
Oil-Resistance Rating: Not Rated

		Adhesive		12" × 12"		24" × 24"
Thick.	Thick. Tolerance	Type	Temperature Range, °F		Each		Each
1/4"	-0.025" to 0.025"	Acrylic	-30° to 220°	000000000	000000	000000000	0000000
3/8"	-0.035" to 0.035"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
1/2"	-0.040" to 0.040"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
5/8"	-0.050" to 0.050"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
3/4"	-0.065" to 0.065"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
1"	-0.082" to 0.082"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
1 1/4"	-0.095" to 0.095"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
1 1/2"	-0.150" to 0.150"	Acrylic	-30° to 220°	000000000	000000	000000000	000000
2"	-0.175" to 0.175"	Acrylic	-30° to 220°	000000000	000000	000000000	00000000

Strips with Smooth Texture

Color: Gray
Temperature Range: -67° to 392° F
Cell Type: Closed
For Use Outdoors: Yes
Density: 22 lbs./cu. ft.
Pressure to Compress 25%: 10 psi (Soft)
Tensile Strength Rating: Good
Oil-Resistance Rating: Not Rated

		1/2" × 10 ft.		1" × 10 ft.		2" × 10 ft.
Thick.	Thick. Tolerance		Each		Each		Each
1/32"	-0.016" to 0.016"	000000000	000000	000000000	000000	000000000	000000
1/16"	-0.016" to 0.016"	000000000	00000	000000000	00000	000000000	00000
3/32"	-0.020" to 0.020"	000000000	00000	000000000	00000	000000000	00000
1/8"	-0.025" to 0.025"	000000000	00000	000000000	00000	000000000	00000
3/16"	-0.025" to 0.025"	000000000	00000	000000000	00000	000000000	00000
1/4"	-0.030" to 0.030"	000000000	00000	000000000	00000	000000000	000000
3/8"	-0.045" to 0.045"	000000000	00000	000000000	00000	000000000	000000
1/2"	-0.050" to 0.050"	000000000	00000	000000000	000000	000000000	000000

Adhesive-Back Strips with Smooth Texture

Color: Gray
Temperature Range: -67° to 392° F
Cell Type: Closed
For Use Outdoors: Yes
Density: 22 lbs./cu. ft.
Pressure to Compress 25%: 10 psi (Soft)
Tensile Strength Rating: Good
Oil-Resistance Rating: Not Rated

		Adhesive		1/2" × 10 ft.		1" × 10 ft.		2" × 10 ft.
Thick.	Thick. Tolerance	Type	Temperature Range, °F		Each		Each		Each
1/32"	-0.016" to 0.016"	Acrylic	-40° to 350°	000000000	000000	000000000	000000	000000000	000000
1/16"	-0.016" to 0.016"	Acrylic	-40° to 350°	000000000	00000	000000000	00000	000000000	00000
3/32"	-0.020" to 0.020"	Acrylic	-40° to 350°	000000000	00000	000000000	00000	000000000	00000
1/8"	-0.025" to 0.025"	Acrylic	-40° to 350°	000000000	00000	000000000	00000	000000000	00000
3/16"	-0.025" to 0.025"	Acrylic	-40° to 350°	000000000	00000	000000000	00000	000000000	00000
1/4"	-0.030" to 0.030"	Acrylic	-40° to 350°	000000000	00000	000000000	00000	000000000	000000
3/8"	-0.045" to 0.045"	Acrylic	-40° to 350°	000000000	00000	000000000	000000	000000000	000000
1/2"	-0.050" to 0.050"	Acrylic	-40° to 350°	000000000	00000	000000000	000000	000000000	000000

Water- and Weather-Resistant Flame-Retardant Push-On Seals with Bulb on Top

Made of EPDM foam, these seals resist water, sunlight, and ozone while also meeting transportation industry standards for flames, smoke, and toxicity. Softer and more flexible than EPDM rubber seals, they conform to uneven surfaces to guard against dust, noise, and vibration. The foam has a closed-cell construction, which resists absorption.

For technical drawings and 3-D models, click on a part number.

EPDM Foam
Fits Edge Thick.	Wd.	Ht.	Grip Ht.	Core Material	Temp. Range, °F	For Use Outdoors	Specifications Met	Color	Lengths, ft.		Per Ft.
3/64" to 5/64"	7/16"	25/32"	33/64"	Metal	-40° to 212°	Yes	ASTM C1166, ASTM E1354, ASTM E662, BSS 7239, NFPA 130	Black	10, 25, 50	0000000	00000

Flame-Retardant Plastic Trim

This trim meets FMVSS-302 Federal Motor Vehicle Safety Standards for flammability, UL 94 HB flame requirements, and NFPA 1971 (National Fire Protection Agency) standards. This trim has a metal core for added strength and stability. Made of plastic, it's also chemical resistant. Use it to protect the edges of panels, boards, signs, and mirrors from impact. Push this trim onto an edge and it grips on three sides for a tight hold. All are flexible so it can bend along a gradual curve. This trim has a hard rating to withstand high levels of impact. It's nonmarking and can be used outdoors.

For technical drawings and 3-D models, click on a part number.

Inside		Outside											Per Ft.
Wd. (A)	Ht. (B)	Wd. (C)	Ht. (D)	Flexibility	Hardness Rating	Temperature Range, °F	For Use Outdoors	Nonmarking	Specifications Met	Color	Available Lengths, ft.		1-99	100-Up
Plastic
Style 1
1/4"	25/64"	29/64"	1/2"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	00000	00000
1/4"	19/32"	27/64"	11/16"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
Style 2
1/8"	29/64"	21/64"	9/16"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
1/8"	43/64"	19/64"	3/4"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
5/32"	7/16"	23/64"	9/16"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
5/32"	21/32"	21/64"	3/4"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
3/16"	13/32"	25/64"	17/32"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000
3/16"	21/32"	23/64"	23/32"	Flexible	Hard	-20° to 150°	Yes	Yes	FMVSS No. 302, UL 94 HB	Black	10, 25, 50, 100	00000000	0000	0000

Flame-Retardant Weather-Resistant EPDM Rubber Sheets and Strips

These EPDM sheets and strips meet transportation industry standards for flammability, smoke, and toxicity. Use them as weather-resistant seals on windows and doors, pads to reduce vibration between panels, and exterior trim. They resist water, sunlight, and ozone. All come with a material certificate that includes their traceable lot number, cure date, and testing confirmation.

For technical drawings and 3-D models, click on a part number.

Sheets

Color: Black
Temperature Range: -40° to 212° F
Tensile Strength: 1,000 psi
For Use Outdoors: Yes
Specifications Met: ASTM C1166, ASTM E162, ASTM E662, BSS 7239, FMVSS No. 302, NFPA 130

6" × 6"
Thickness	Thickness Tolerance	Choose a Durometer		Each
1/16"	-0.016" to +0.016"	60A (Medium Hard), 70A (Hard)	00000000	000000
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	0000000	00000
12" × 12"
1/16"	-0.016" to +0.016"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	00000000	00000
12" × 24"
1/16"	-0.016" to +0.016"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	00000000	000000
24" × 36"
1/16"	-0.016" to +0.016"	60A (Medium Hard), 70A (Hard)	00000000	00000
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	000000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	00000000	000000
36" × 48"
1/16"	-0.016" to +0.016"	60A (Medium Hard), 70A (Hard)	00000000	000000
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	000000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	00000000	000000

Strips

Color: Black
Temperature Range: -40° to 212° F
Tensile Strength: 1,000 psi
For Use Outdoors: Yes
Specifications Met: ASTM C1166, ASTM E162, ASTM E662, BSS 7239, FMVSS No. 302, NFPA 130

			2" × 36"		4" × 36"
Thickness	Thickness Tolerance	Choose a Durometer		Each		Each
1/8"	-0.020" to +0.020"	60A (Medium Hard), 70A (Hard)	00000000	000000	00000000	000000
1/4"	-0.031" to +0.031"	60A (Medium Hard), 70A (Hard)	00000000	00000	00000000	00000