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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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Stress cracking of PAR products

PAR stress management is the foundation of high-reliability applications.

Molding Process PARstress crackingannealingmold temperaturechemical resistance

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Insufficient filling of PAR '2079851475616104452 (short shot)

The high viscosity of PAR is the main cause of short shot.

Injection Molding PARshort shothigh viscosityprocessing temperaturegate

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Yellowing of PAR '2079851475616104452 due to improper temperature control

Although PAR has good thermal stability, strict temperature control is still required.

Injection Molding PARyellowingprocessing temperaturedegradationantioxidant

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Bubbles and silver streaks in PAR products due to insufficient drying

Strict PAR drying requirements are the prerequisite for high transparency.

Material Drying PARbubblessilver streaksdryingmoisture

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Heat extension of cross-linked polyethylene XLPE products exceeding the standard

Heat extension exceeding the standard is a direct manifestation of insufficient cross-linking degree, and needs to be comprehensively adjusted from the cross-linking formulation and process parameters.

Material Analysis heat extensioncross-linking degreecross-linking agent dosagecross-linking temperaturecross-linking network

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Unstable cross-linking efficiency of cross-linked polyethylene XLPE

Unstable cross-linking efficiency is caused by uneven dispersion of assistants or fluctuations in process conditions, and needs to be solved from mixing and process stability.

Material Analysis cross-linking efficiencyuniform cross-linking degreeassistant dispersioncross-linking temperaturebatch difference

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Bubbles in the insulation layer of cross-linked polyethylene XLPE cables

Bubbles in the cable insulation layer are caused by moisture and volatile gases, and need to be solved from raw '2079851475616104451 and the venting system.

Material Drying insulation layer bubblesmoisture contentventingplasticizationcooling rate

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Cross-linked polyethylene pipe pressure resistance test unqualified

Unqualified pressure resistance is caused by insufficient wall thickness, material degradation, or internal defects, and needs to be solved systematically from process and material quality.

Processing Machinery pressure resistance testpipe wall thicknessmaterial degradationcrystallinityplasticization quality

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Excessive shrinkage rate of cross-linked polyethylene extruded products

Excessive shrinkage is caused by high crystallinity or high temperature, and needs to be solved by controlling the temperature and cooling rate.

Molding Process shrinkage ratecrystallinitymelt temperaturecooling ratehauling speed

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Cross-linked polyethylene XLPE product surface roughness

Surface roughness is mainly caused by pre-crosslinked gel and uneven dispersion, and temperature needs to be strictly controlled and uniform coagent dispersion ensured.

Material Analysis surface roughnesspre-crosslinkinggelperoxide dispersiondie temperature

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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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