Stretch film mould: should the additive go into the resin as a masterbatch or be sprayed on the surface, and how is the level set?
Stretch film mould sits in surface and between layers: iHeir-JS117 at 0.5%-1% of resin weight, iHeir-ECO at 0.3%-0.5% on the polyethylene, not sprayed on.
2026.10.22