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Electrically Insulating Hard Fiber
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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 | For Use Outdoors | Each | Each | Each | Each | Each | ||||||
| 0.005" | -0.001" to 0.001" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K101 | 00000 | 8490K15 | 00000 | 8490K25 | 000000 | 8490K35 | 000000 | ——— | 0 | |
| 0.01" | -0.001" to 0.001" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K102 | 0000 | 8490K11 | 0000 | 8490K21 | 00000 | 8490K31 | 00000 | 8490K103 | 000000 | |
| 0.015" | -0.002" to 0.002" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K104 | 0000 | 8490K12 | 0000 | 8490K22 | 00000 | 8490K32 | 00000 | 8490K105 | 00000 | |
| 0.02" | -0.002" to 0.002" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K106 | 0000 | 8490K37 | 00000 | 8490K38 | 00000 | 8490K39 | 00000 | ——— | 0 | |
| 0.025" | -0.003" to 0.003" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K107 | 00000 | 8490K16 | 00000 | 8490K26 | 00000 | 8490K36 | 000000 | ——— | 0 | |
| 0.03" | -0.003" to 0.003" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K108 | 00000 | 8490K51 | 00000 | 8490K52 | 00000 | 8490K53 | 00000 | ——— | 0 | |
| 0.04" | -0.004" to 0.004" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K109 | 00000 | 8490K54 | 00000 | 8490K55 | 000000 | ——— | 0 | ——— | 0 | |
| 0.045" | -0.005" to 0.005" | Not Rated | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | 8490K111 | 00000 | 8490K57 | 00000 | 8490K58 | 000000 | ——— | 0 | ——— | 0 | |
| 0.062" | -0.007" to 0.007" | 10,000 psi to 21,000 psi (Good) | Rockwell R70 (Hard) | MIL-I-695 | UL 94 HB | Gray | 235 | 2.5 ft·lbf/in (Good) | No | ——— | 0 | 8490K61 | 00000 | 8490K62 | 000000 | 8490K63 | 000000 | ——— | 0 | |
