Extrusion & Post
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Solution for precipitation blooming of calcium-zinc stabilizer in extrusion temperature control
Fenómeno del problema
The calcium-zinc PVC system shows precipitation blooming-related abnormalities in the extrusion temperature control production stage, product quality is unstable.
Análisis de la causa
The zinc burning characteristic of calcium-zinc stabilizers produces precipitation blooming problems under specific working conditions.
Solución
From the formulation perspective, adjust the calcium-zinc metal ratio, combined with process optimization to solve it.
Conclusión clave
The precipitation blooming problem of the calcium-zinc system in the extrusion temperature control stage requires bidirectional adjustment of formulation and process.
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