Menu
Materials Machinery
Insights
Articles Videos Problem & Solution
About
About Chembull Media Partners
Contact Us
Language
EnglishالعربيةPortuguêsEspañolDeutschTürkçe한국어

Problem & Solution

Practical answers to common plastic material challenges

Browse Articles →
11636 questions
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
16 views
Read Full Answer →
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
15 views
Read Full Answer →
Q
DSTDP extruded film poor thickness uniformity
A
Film thickness uniformity needs coordinated optimization from the three aspects of die design, gap adjustment and cooling
Extrusion & Post DSTDP filmthickness uniformitydie designextrusion swellair ring cooling
15 views
Read Full Answer →
Q
DSTDP injection gate freezing too early
A
Premature gate freezing is caused by small gate and low temperature; enlarging the gate and raising temperature are the fundamental measures
Injection Molding DSTDP injectiongate freezingholding pressure transmissiongate sizemold temperature
15 views
Read Full Answer →
Q
DSTDP injection mold venting burning
A
Q
DSTDP '2079851475616104452 warpage deformation
A
Warpage is caused by differential shrinkage and orientation stress; uniform mold temperature and holding pressure are key
Injection Molding DSTDP injectionwarpageshrinkage rateholding pressureannealing treatment
15 views
Read Full Answer →
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
15 views
Read Full Answer →
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
15 views
Read Full Answer →
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
15 views
Read Full Answer →
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
16 views
Read Full Answer →
Prev 1 ... 454 455 456 457 458 459 460 ... 1164 Next

Categories

All Topics 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
ChemAI