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Practical answers to common plastic material challenges

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Melt breaking and sagging

Key to continuity

Extrusion & Post PVC breakage

Injection weight fluctuation

Process stability indicator

Injection Molding PVC weight

Burnt marks at the '2079851475616104452 gate

Gate shear heat easily causes charring

Injection Molding PVC gate

Insufficient temperature control of the nozzle or die head

Key points of fine operation

Processing Machinery PVC nozzle

Melt temperature fluctuation exceeds the control range

Temperature stability is the foundation

Extrusion & Post PVC temperature fluctuation

Excessive moisture content affects the product

Storage management is the first link of quality control

Material Drying PVC moisture content

2079851475616104457 parison sagging

Parison sagging affects '2079851475616104457 quality

Blow Molding PVC '2079851475616104457

Unreasonable temperature gradient of each barrel zone

The temperature curve affects uniformity

Processing Machinery PVC temperature gradient

Barrel burnt material black specks

Barrel dead corners are the main source of burnt material

Processing Machinery PVC、burnt material

Uneven calendered film thickness

Uniform calendered film thickness is a basic requirement

Extrusion & Post PVC、calendering

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