Plastic Welding Rods Off-White Atlas Plastics Coils & Reels HDPE Natural,Reels HDPE Natural Plastic Welding Rods Off-White Atlas Plastics Coils &, Coils & Reels are HDPE Polyethylene Plastic, Warning: Mixing different types of plastics will likely result in poor quality repairs and poor longevity of the welds, Quite Simply, match your plastics and you're good, different plastics simply don't work well together,These Rods, & Reels HDPE Natural Plastic Welding Rods Off-White Atlas Plastics Coils.