1. PE,PP, PA 2. RoHS, CE, fireproof 3.. Color: black, white, other please ... Plastic corrugated tube1.Material: PE, PA, PP, PVC 2.Feature: Good-flexibility,friction resistant,acidoresistant corrosion,flame retardan3. ... K12×15.8PE18.5—B/K14.3×18.5PE21.2—B/K17×21.2PE25—B/K21×25PE28.5— ... ×15.8PP18.5—B/K14.3×18.5PP21.2—B/K17×21.2PP25—B/K21×25PP28.5— ... ×15.8PA18.5—B/K14.3×18.5PA21.2—B/K17×21.2PA25—B/K21×25PA28.5— ...