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    62 Products
    About Composites
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    Compare our offering of composites to find the right material for you.

    Electrical Insulating Hard Fiber

    Image of Product. Front orientation. Hard Fiber. Electrical Insulating Hard Fiber.
    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.
    6" Wide ×
    12" Long
    12" Wide ×
    12" Long
    24" Wide ×
    39" Long
    39" Wide ×
    48" Long
    39" Wide ×
    60" Long
    Thk.
    Thk. Tolerance
    Tensile Strength
    Hardness
    Mil.
    Spec.
    Flammability
    Rating
    Color
    Max. Temp.,
    ° F
    Impact Strength,
    ft·lbf/in
    For Use
    Outdoors
    Each
    Each
    Each
    Each
    Each
    0.005"-0.001" to 0.001"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K101000008490K15000008490K250000008490K35000000———0
    0.01"-0.001" to 0.001"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K10200008490K1100008490K21000008490K31000008490K103000000
    0.015"-0.002" to 0.002"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K10400008490K1200008490K22000008490K32000008490K10500000
    0.02"-0.002" to 0.002"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K10600008490K37000008490K38000008490K3900000———0
    0.025"-0.003" to 0.003"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K107000008490K16000008490K26000008490K36000000———0
    0.03"-0.003" to 0.003"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K108000008490K51000008490K52000008490K5300000———0
    0.04"-0.004" to 0.004"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K109000008490K54000008490K55000000———0———0
    0.045"-0.005" to 0.005"Not RatedRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No8490K111000008490K57000008490K58000000———0———0
    0.062"-0.007" to 0.007"10,000 psi to 21,000 psiRockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2352.5No———08490K61000008490K620000008490K63000000———0

    Easy-Machine Hard Fiber Sheets

    Image of Product. Front orientation. Hard Fiber. Easy-Machine Hard Fiber Sheets.
    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.
    12" Wide ×
    12" Long
    24" Wide ×
    39" Long
    39" Wide ×
    48" Long
    Thk.
    Thk. Tolerance
    Tensile Strength,
    psi
    Hardness
    Mil. Spec.
    Flammability
    Rating
    Color
    Max. Temp.,
    ° F
    Impact Strength,
    ft·lbf/in
    For Use
    Outdoors
    Each
    Each
    Each
    0.02"-0.002" to 0.002"9,000 to 21,000Rockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2351.8 to 2.5No8490K130000008490K230000008490K33000000
    0.03"-0.003" to 0.003"9,000 to 21,000Rockwell R70 (Hard)MIL-I-695UL 94 HB
    		Gray2351.8 to 2.5No8490K14000008490K24000008490K3400000
    1/16"-0.005" to 0.005"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K73000008652K830000008652K93000000
    3/32"-0.007" to 0.007"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K74000008652K840000008652K94000000
    1/8"-0.015" to 0.015"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K75000008652K850000008652K95000000
    3/16"-0.015" to 0.015"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K76000008652K860000008652K96000000
    1/4"-0.015" to 0.015"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K77000008652K870000008652K97000000
    3/8"-0.02" to 0.02"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K780000008652K880000008652K9800000000
    1/2"-0.025" to 0.025"9,000 to 21,000Rockwell R80 (Hard)MIL-F-10336, MIL-F-1148UL 94 HB
    		Gray2351.8 to 2.5No8652K790000008652K890000008652K9900000000
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