Problem & Solution

Practical answers to common plastic material challenges

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Formula Congo red test failure

Congo red is a rapid evaluation of thermal stability

Material Analysis PVC、Congo red

Recycled material color darkens

Recycled material color is a quality bottleneck

Production & Quality PVC、recycling

Insufficient weld corner strength of rigid PVC

Corner strength is a key indicator of plastic windows

Molding Process PVC、welding

Plasticized PVC low-temperature hardening

Soft PVC low-temperature performance relies on plasticizer

Production & Quality PVC、low temperature

Uneven powder dry mixing

Dry mixing uniformity determines subsequent processing

Material Drying PVC、dry mixing

Initial coloring with calcium-zinc stabilizer

Calcium-zinc stabilizer formula needs optimization

Production & Quality PVC、calcium-zinc

Poor flowability of highly filled PVC

Flowability is the bottleneck of filled formulas

Material Analysis PVC、filling

Profile die swell

Die swell is a key point of extrusion design

Molding Process PVC、die swell

Determining PVC mold maintenance cycle

Mold maintenance concerns long-term quality

Molds & Tooling PVC、mold maintenance

Poor thermal stabilization synergistic effect

Synergistic effect requires scientific formula design

Molding Process PVC、synergy

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