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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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2239 soru
Q
Random copolymer polypropylene pipe special material (Nordic standard） extrusion raw material melt flow rate mismatch（Variant: Mass Production Scenario）
Q
Random copolymer polypropylene pipe special material (Nordic standard） PPR pipe insufficient long-term hydrostatic strength（Variant: Strengthened Measures）
Q
Random copolymer polypropylene pipe special material (Nordic standard） extrusion raw material melt flow rate mismatch（Variant: Strengthened Measures）
Q
Random copolymer polypropylene pipe special material (Nordic standard） extruded products surface bamboo marks/melt fracture（Variant: Strengthened Measures）
Q
Random copolymer polypropylene pipe special material (Nordic standard） extruded products surface sharkskin marks（Variant: Strengthened Measures）
Q
Random copolymer polypropylene pipe ovality exceeding standard
Q
Random copolymer polypropylene extruded pipe bending deformation
A
Pipe bending is caused by non-uniform cooling or haul-off eccentricity, and needs to be solved from cooling uniformity and equipment alignment.
Extrusion & Post pipe bendinguneven coolinghaul-off alignmentwall thickness uniformitystraightness
9 görüntüleme
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Q
Random copolymer polypropylene extruded products die lines/lines
A
Die lines are caused by die inner wall damage or impurities, requiring regular cleaning and inspection of the die condition.
Extrusion & Post die linesdie scratchesimpurity cleaningrunner designfilter screen
9 görüntüleme
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Q
Excessive shrinkage of random copolymer polypropylene extruded products
A
Excessive shrinkage is caused by high crystallinity or high temperature and needs to be solved by controlling temperature and cooling rate.
Extrusion & Post shrinkage ratecrystallinitymelt temperaturecooling ratehaul-off speed
9 görüntüleme
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Q
Longitudinal retraction rate of random copolymer polypropylene pipes exceeding standard
A
Excessive retraction rate is caused by large internal stress or excessive orientation and needs to be solved from temperature control, cooling rate and haul-off speed.
Extrusion & Post longitudinal retraction rateinternal stresscooling ratehaul-off speedmolecular orientation
9 görüntüleme
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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382
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