Slip and antiblock in blown film: begin with the finished roll
When a film opens poorly or blocks in storage, inspect the finished roll, winding tension, surface feel and the time between production and use. The answer is rarely found from one coefficient alone.
Film processing note
When a film opens poorly or blocks in storage, inspect the finished roll, winding tension, surface feel and the time between production and use. The answer is rarely found from one coefficient alone.
Compare rolls under the same handling conditions and record the resin, structure, thickness and dosage before changing a formulation.
