red Thermoforming pe300 sheet- Okay uhmwpe/hdpe sheet for sale A: preheated sheet prior to forming B: sheet stretched with mechanical plug advance C: sheet air-pressure formed into female mold a - pressure box b - plug c - preheated, clamped sheet d - female mode with vent holes e - moving plug f - applied air pressure g - venting air A B C a b c e g d f 16 Free Blowing A: preheated sheet prior to forming