Problem & Solution

Practical answers to common plastic material challenges

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Uneven dispersion of carbon fiber in resin

Material Analysis chopped carbon fiberdispersionagglomerationmasterbatchshear force

Resin rheology change of carbon fiber prepreg during storage

Material Analysis prepregstorage lifelow temperature-18°Ctack

Impact strength of toughened alloys varies greatly with temperature

Material Analysis tougheningimpact strengthbrittle-ductile transitionrubber TgEPDMPOE

Poor micro-foaming effect of products

Micro-foaming quality depends on precise control of nucleation and cell growth

Material Analysis micro-foamingcellsblowing agentsolubilitynucleation

Large batch differences in melt index of blends

Material Analysis melt indexbatch stabilitymolecular weightrecycled material proportiongranulation

Brittle fracture of products

Material Analysis brittlenesselongationdegradationphase inversionmatrix continuityfiller content

Pockmarks/pinholes on product surface

Surface pinhole defects originate from insufficient dispersion and gas entrainment

Material Analysis pockmarkpinholedispersiongas entrainmentholding pressureadditive

Obvious transparency decline of modified styrene-butadiene copolymer

Transparency decline needs to be addressed from refractive index matching and dispersion

Material Analysis transparencyhazerefractive indexdispersion

Obvious change in melt fluidity of modified styrene-butadiene copolymer (better or worse

Fluidity change requires adjusting the process to match the modified material

Material Analysis fluiditymelt viscosityprocessing parameters

Chemical resistance change of modified styrene-butadiene copolymer

Chemical resistance needs to evaluate the overall influence of the modified formulation

Material Analysis chemical resistanceformulationtoughening agentflame retardant

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