1) Insulation 2) Function of interference shielding 3) Reduce the Echo loss 4) Environmental 5) For cable, wire,conditioner Brand name: dinghePlace of origin: zhejiang, China (mainland, Southeast coastal area)Color: Silver, copper, blue or as per the customer’s Appearance: straight, smooth, uniform, free of impurities and without wrinkles and piebaldKind: Single-sided aluminum foil, double-sided ...