Insulation products with excellent corrosion resistance,weather resistance. Products meet the CGC, SGS, ROHS environmental directives ... shrinkage rate: ± 5%.Insulation products with excellent corrosion resistance,weather resistanceColors: red,yellow,blue,green,black ,white and other colors ... KV/mm)ASTM D149≥25Flame retardantUL 224VW-1 Environmentally Friendly Flame-retardant Heat Shrinkable Tube