FIELD: chemistry.
SUBSTANCE: tube contains composite fibre material with antistatic binder. To improve durability, the tube is made of material which is not easily combustible with antistatic binder in form of a composition with the following components, pts.wt: epoxy resin ED-20 or epoxy novolac DEN 431 90…95; curing agent isomethyltetrahydrophthalic anhydride (Iso-MTHPA) 85…95; accelerating agent Alcofen 0.5…3.0; fire retardant aluminium hydroxide APYRAL 33 280…320; electroconductive paste EP-25 5…30; graphite GE-1 or GE-3 5…50.
EFFECT: high durability.
1 dwg
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Authors
Dates
2014-07-10—Published
2012-10-31—Filed