المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

Flow marks/water wave marks on product surface

Flow marks reflect the unstable state of melt front filling

Injection Molding flow markwater wave markmelt frontinjection speedmold temperature

Extremely low strength at weld lines

Molds & Tooling weld linemelt temperatureventinggate optimizationmolecular diffusion

Radial silver streaks on product surface

Material Drying silver streakmoisturedryingback pressuredecomposition gas

Shell-core delamination of products

Extrusion & Post shell-core delaminationmold temperatureshrinkage rate differenceholding pressure switchovercooling

Product delamination and peeling

Extrusion & Post compatibilitydelaminationdispersionscrew combinationinterface bonding force

High haze of SBC transparent products

SBC transparency needs to be addressed from model selection and phase separation

Molds & Tooling SBChazetransparencyphase separation

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

Flame retardant rating of modified styrene-butadiene copolymer not meeting standards

Material Analysis flame retardantflame retardant agentcompatibilityflame retardant rating

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