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MATERIALS
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Electrical Insulating and
Vulcanized Fiber / Fishpaper
Alternative Materials |
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Ragtex is a dense, rigid material produced in multi-ply construction from a blend of unbleached Kraft pulp and cotton rag fibers. Ragtex is free of conducting particles, chemical impurities and foreign matter. Ragtex has excellent dielectric and mechanical strength with excellent formability. |
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Ragtex can be used for transformer insulation, barrier insulation, appliances, electrical hardware, gaskets and slot insulation. |
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PHYSICAL, ELECTRICAL AND CHEMICAL PROPERTIES: |
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Fiber Content |
50% Kraft Pulp |
| Cotton Rag Fiber |
50% Cotton Rag Fibers |
| Ash Content (Max.) |
.75% |
pH Water Extract |
6.0 - 7.5 |
| Moisture Content |
7.0% Avg. |
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Standard Thickness, ± 7% |
Inches |
.005 |
.007 |
.010 |
.015 |
020 |
.031 |
| Apparent Density, (Air Dry), ± 7% |
g/cc |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
| Weight, (Air Dry), ± 7% |
lbs./sq. ft. |
.028 |
.038 |
.054 |
.082 |
.109 |
.167 |
| Tensile Strength, (Avg.) |
MD lbs./.in. |
75 |
135 |
195 |
340 |
500 |
700 |
MD lbs./in. |
20 |
25 |
50 |
75 |
85 |
140 |
| Burst Strength, (Avg.) |
lbs./sq. in. |
90 |
120 |
185 |
320 |
440 |
580 |
| Tear Strength, (Avg.) grams |
MD |
150 |
180 |
270 |
475 |
650 |
1000 |
CMD |
240 |
300 |
450 |
800 |
975 |
1200 |
| Dielectic Strength, Air, AC, 25˚C (Avg.) ± 7% |
volts/mil |
275 |
275 |
275 |
275 |
275 |
275 |
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