Molds & Tooling
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High haze of SBC transparent products
Fenómeno del problema
The haze of SBC transparent products is on the high side, and transparency is not as expected
Análisis de la causa
The SBC butadiene phase scatters light, causing haze
Improper processing temperature intensifies phase separation and scattering
Cooling rate is too fast, freezing a poor microstructure
Excessive oil extension amount increases scattering
Mold surface polishing is insufficient
Solución
Select high-transparency SBC models (low butadiene content)
Control processing temperature at 180-220°C to reduce phase separation
Appropriately reduce the cooling rate
Reduce the oil extension amount
Polish the mold to mirror grade
Conclusión clave
SBC transparency needs to be addressed from model selection and phase separation
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