Polyester resin board
The insulating products are made of alkali-free untwisted glass fiber yarn, untwisted glass cloth and Wolan cloth impregnated with epoxy composite adhesive, and then heated and cured.
The insulating products are made of alkali-free untwisted glass fiber yarn, untwisted glass cloth and Wolan cloth impregnated with epoxy composite adhesive, and then heated and cured.
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