Fishpaper Sheets | McMaster-Carr

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	Shape Shape	Show

Sheet and Bar

	Shape Shape	Hide

Rod and Disc

Round Tube

Sheet and Bar

	Material Material	Show

Hard Fiber

	Material Material	Hide

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

12"

24"

39"

	Length Length

1 ft.

39"

48"

	Flexibility Flexibility

	Rigid

	Performance Properties Performance Properties

	Color Color

	Gray

	Backing Type Backing Type

	Plain

	Texture Texture

	Smooth

	Impact Strength Rating Impact Strength Rating

Good

	Dielectric Strength Dielectric Strength

	Electrical Insulation Rating Electrical Insulation Rating

Good

Poor

	Specifications Met Specifications Met

Mil. Spec.

	Hardness Rating Hardness Rating

Hard

	Hardness Hardness

Rockwell R70

Rockwell R80

	Maximum Temperature Maximum Temperature

Less than 1,000° F

	Tensile Strength Tensile Strength

9,000-21,000 psi

10,000-21,000 psi

Not Rated

	Clarity Clarity

Opaque

	Tolerance Rating Tolerance Rating

Standard

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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52 Products

About Composites

Color: Gray
Max. Temperature: 235° F
Tensile Strength: See Table
Impact Strength: 2.5 ft.-lbs./in. (Good)
Hardness: Rockwell R70 (Hard)
For Use Outdoors: No
Specifications Met: MIL-I-695, UL 94 HB

Widely known as fishpaper and vulcanized fiber, these thin sheets offer better electrical insulation than standard hard fiber sheets. They are constructed from lightweight cotton fabric that's been chemically treated to make it hard and dense.

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

			12" × 12"		24" × 39"		39" × 48"
Thick.	Thick. Tolerance	Tensile Strength		Each		Each		Each
0.005"	-0.001" to 0.001"	9,000-21,000 psi (Good)	0000000	00000	0000000	000000	0000000	000000
0.01"	-0.001" to 0.001"	9,000-21,000 psi (Good)	0000000	0000	0000000	00000	0000000	00000
0.015"	-0.002" to 0.002"	9,000-21,000 psi (Good)	0000000	0000	0000000	00000	0000000	00000
0.02"	-0.002" to 0.002"	Not Rated	0000000	00000	0000000	00000	0000000	00000
0.025"	-0.003" to 0.003"	Not Rated	0000000	00000	0000000	00000	0000000	00000
0.03"	-0.003" to 0.003"	Not Rated	0000000	00000	0000000	00000	0000000	00000
0.04"	-0.004" to 0.004"	Not Rated	0000000	00000	0000000	000000	000000	00
0.045"	-0.005" to 0.005"	Not Rated	0000000	00000	0000000	000000	000000	00
0.062"	-0.007" to 0.007"	10,000-21,000 psi (Good)	0000000	00000	0000000	000000	0000000	000000

Easy-to-Machine Hard Fiber Sheets

Color: Gray
Max. Temperature: 235° F
Tensile Strength: 9,000-21,000 psi (Good)
Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
Hardness: See table
For Use Outdoors: No
Specifications Met: See table

Also known as vulcanized fiber, these hard fiber sheets can be readily machined and punched into custom parts. They're constructed from lightweight cotton fabric that's been chemically treated to make them hard and dense. Use hard fiber to make gears and bushings.

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

12" × 12"
Thick.	Thick. Tolerance	Hardness	Specifications Met		Each
0.02"	-0.002" to 0.002"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	000000
0.03"	-0.003" to 0.003"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	00000
1/16"	-0.005" to 0.005"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
3/32"	-0.007" to 0.007"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
1/8"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
3/16"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
1/4"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
3/8"	-0.02" to 0.02"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/2"	-0.025" to 0.025"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
24" × 39"
0.02"	-0.002" to 0.002"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	00000
0.03"	-0.003" to 0.003"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	00000
1/16"	-0.005" to 0.005"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	00000
3/32"	-0.007" to 0.007"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/8"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
3/16"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/4"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
3/8"	-0.02" to 0.02"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/2"	-0.025" to 0.025"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
39" × 48"
0.02"	-0.002" to 0.002"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	00000
0.03"	-0.003" to 0.003"	Rockwell R70 (Hard)	MIL-I-695, UL 94 HB	0000000	00000
1/16"	-0.005" to 0.005"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
3/32"	-0.007" to 0.007"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/8"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
3/16"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/4"	-0.015" to 0.015"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
3/8"	-0.02" to 0.02"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000
1/2"	-0.025" to 0.025"	Rockwell R80 (Hard)	MIL-F-10336, MIL-F-1148, UL 94 HB	0000000	000000

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About Composites

Electrically Insulating Hard Fiber

Easy-to-Machine Hard Fiber Sheets