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Problem & Solution

Practical answers to common plastic material challenges

1439 questions
Q
Glass Fibre moisture during processing causes silver streaks
A
Silver streaks are caused by moisture vaporization and stretching; drying and venting are the main countermeasures
Material Drying Glass Fibre injectionsilver streaksmoisture dryingventingback pressure
Q
Glass Fibre '2079851475616104452 thick-wall bubbles
A
Thick-wall bubbles are comprehensively caused by insufficient holding pressure, moisture and poor venting
Material Drying Glass Fibre injectionbubblesholding pressurethick-wall productmold venting
Q
DSTDP uneven dispersion causes local insufficient antioxidant
A
DSTDP uneven dispersion is caused by direct dry powder addition; masterbatch method is key
Material Drying DSTDP dispersionmasterbatch methoddry powder additiontwin-screw blendingantioxidant uniformity
Q
DSTDP hydrolysis aging
A
Hydrolysis aging is caused by polar groups being water sensitive; selecting low-polarity grades is key
Material Drying DSTDPhydrolysis agingpolar groupsanti-hydrolysis stabilizerwaterproof coating
Q
DSTDP processing moisture causing silver streaks
A
Silver streaks are caused by moisture vaporization and stretching; drying and venting are the main countermeasures
Material Drying DSTDP injectionsilver streaksmoisture dryingventingback pressure
Q
DSTDP '2079851475616104452 thick-wall bubbles
A
Thick-wall bubbles are caused by a combination of insufficient holding pressure, moisture and poor venting
Material Drying DSTDP injectionbubblesholding pressurethick-wall productmold venting
Q
Internal Voids of CMC
A
Internal voids are caused by insufficient holding and gas entrapment; high-pressure holding and venting are the key
Material Drying CMCinternal voidsholding pressuremold ventingraw '2079851475616104451
Q
Feeding Bridging of CMC
Q
Silver Streaks Caused by Moisture in CMC Processing
A
Q
CMC injection thick wall bubbles
A
Thick wall bubbles are caused by a combination of insufficient holding pressure, moisture and poor venting
Material Drying CMC injectionbubbleholding pressurethick-walled productmold venting
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