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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
Insufficient DSTDP addition amount, poor antioxidant effect
A
As a secondary antioxidant, DSTDP needs to be added in sufficient amount and combined with primary antioxidants
Material Analysis DSTDPaddition amountsecondary antioxidant1010/168 combinationmasterbatch method
Q
DSTDP extrusion unstable dimensions
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post DSTDP extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
Q
DSTDP extruded film poor thickness uniformity
A
Q
DSTDP injection gate freezing too early
Q
DSTDP injection mold venting burning
Q
DSTDP '2079851475616104452 warpage deformation
A
Q
DSTDP film excessive thermal shrinkage
A
Film thermal shrinkage is caused by frozen-in orientation; reducing draw ratio and annealing treatment are key
Extrusion & Post DSTDP filmthermal shrinkageorientation releaseannealing treatmentbiaxial stretching
Q
DSTDP extrusion die deposit and carbon buildup
A
Die carbon buildup is caused by thermo-oxidation and untimely cleaning; PE flushing and timely cleaning are key
Extrusion & Post DSTDP extrusiondie carbon buildupPE flushingresidence zonethermo-oxidation
Q
DSTDP extrusion pelletizing connected pellets
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are key
Extrusion & Post DSTDP pelletizingconnected pelletspelletizing water temperaturecutter speedelastic recovery
Q
DSTDP product yellowing after processing
ChemAI