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  • Broad range of chemical resistance
  • Can be directly buried underground (please consult a sales representative for proper applications)
  • Flame spread rating of not greater than 25 and a smoke density rating of not greater than 50 when tested in accordance with ASTM E 84
  • Halogen free - non-corrosive to pipes
  • Meets requirements of ASTM C 1427
  • Non-porous, Fiber free and, resistant to mold growth
  • Water vapor transmission rate of 0.0 perm-in
  • Working temperature range of -330° F to +210° F

Thermacel 1-3/8 x 3/8 in. Wall Pipe Insulation


Inside Diameter:

1-3/8 in


ASTM Specifications
ASTM C-1427
Inside Diameter
1-3/8 in
3/8 in


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