Material Analysis
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Thermal Decomposition Speed Faster Than PVC
Fenómeno del problema
The decomposition and blackening speed during processing is several times that of PVC
Análisis de la causa
With 67% chlorine content, the activation energy for thermal HCl removal is lower
Solución
Use more efficient stabilizers and strictly control temperature <220C
Conclusión clave
CPVC heat sensitivity is more serious than PVC
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