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EVOH extrusion melt fracture

Extrusion & Post EVOH extrusion melt fracture elastic recovery die L/D extrusion rate

EVA internal delamination cracking

Extrusion & Post EVA internal delamination interfacial adhesion compatibilizer uniform cooling

EVA surface snakeskin pattern

Extrusion & Post EVA snakeskin pattern extrusion temperature elastic recovery die temperature control

EVA film blocking is severe

Extrusion & Post EVA film blocking antiblocking agent winding temperature erucamide

EVA and HDPE blend delamination

Extrusion & Post EVA/HDPE delamination viscosity difference VA content compatibilizer

EVA dimensions change greatly with temperature

Extrusion & Post EVA dimensional temperature sensitivity thermal expansion coefficient rigid filler annealing treatment

EVA surface pockmarks are dense

Extrusion & Post EVA surface pockmarks impurity particles mold repair raw material purity

EVA extruded film has gel particles

Extrusion & Post EVA film gel particle melting temperature mixing section high molecular weight component

EVA extruded film has transverse corrugations

Extrusion & Post EVA film transverse corrugation traction vibration cooling roller eccentricity pressure stabilizing device

Frequent screen clogging in EVA extrusion

Extrusion & Post EVA extrusion screen clogging gel particles stepped screens automatic screen change

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