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Problem & Solution

Practical answers to common plastic material challenges

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382 questions
Q
DSTDP repeated processing performance decay
A
Multiple processing performance decay is caused by thermo-mechanical degradation; limiting regrind and supplementing antioxidant are key
Production & Quality DSTDP recyclingperformance decayantioxidant supplementthermal degradationshear degradation
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Q
DSTDP product yellowing after processing
A
Yellowing is caused by thermo- and photo-oxidation and metal catalysis; completing the antioxidant system and UV absorber is key
Production & Quality DSTDP yellowingthermo-oxidationantioxidantUV absorbermetal catalysis
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Q
Internal Inclusions of CMC
A
Inclusions are caused by raw material and environmental pollution; filtration and environmental control are the key
Production & Quality CMCinclusionsraw material filtrationenvironmental cleanlinessrecycling sorting
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Q
Surface Blooming of CMC
A
Blooming is caused by low-molecular migration and exudation; selecting a high-molecular-weight grade is fundamental
Production & Quality CMCbloominglow-molecular migrationhigh molecular weightlubricant exudation
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Q
Stress Cracking of CMC
A
Stress cracking is caused by stress-accelerated chemical attack; annealing and high MW are the key
Production & Quality CMCstress crackingenvironmental stressannealing treatmenthigh molecular weight
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Q
Surface Microcracks of CMC
A
Microcracks are caused by excessive internal stress; annealing and crack-resistant design are the key
Production & Quality CMCmicrocracksinternal stressannealing treatmentstress concentration design
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Q
Performance Decay of CMC After Repeated Processing
A
Performance decay after multiple processing is caused by thermo-mechanical degradation; limiting regrind and supplementing antioxidant are the key
Production & Quality CMC recyclingperformance decayantioxidant supplementationthermal degradationshear degradation
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Q
Rough Inner Wall of CMC Extruded Pipe
A
Rough inner wall of pipe is caused by mandrel condition and insufficient cooling; polishing the mandrel and internal cooling are the key
Production & Quality CMC piperough inner wallmandrel polishinginternal coolingmelt elasticity
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Q
CEF internal inclusions
A
Inclusions are caused by raw material and environmental pollution; filtration and environmental control are the key
Production & Quality CEFinclusionraw material filtrationenvironmental cleanlinessrecycling sorting
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Q
CEF surface blooming and exudation
A
Blooming is caused by low-molecular migration and exudation; selecting high-molecular-weight grades is fundamental
Production & Quality CEFbloominglow-molecular migrationhigh molecular weightlubricant exudation
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