Extrusion & Post
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Solution for precipitation blooming of calcium-zinc stabilizer in extrusion temperature control
Problem Phenomenon
The calcium-zinc PVC system shows precipitation blooming-related abnormalities in the extrusion temperature control production stage, customers complain.
Cause Analysis
The zinc burning characteristic of calcium-zinc stabilizers produces precipitation blooming problems under specific working conditions.
Solution
From the formulation perspective, reduce lubrication, combined with process optimization to solve it.
Key Takeaway
The precipitation blooming problem of the calcium-zinc system in the extrusion temperature control stage requires coordinated optimization of formulation and process.
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