Extrusion & Post
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Solution for initial coloring of calcium-zinc stabilizer in sheet calendering
Problem Phenomenon
The calcium-zinc PVC system shows initial coloring-related abnormalities in the sheet calendering production stage, the pass rate decreases.
Cause Analysis
The lubrication characteristic of calcium-zinc stabilizers produces initial coloring problems under specific working conditions.
Solution
From the formulation perspective, add antioxidants, combined with process optimization to solve it.
Key Takeaway
The initial coloring problem of the calcium-zinc system in the sheet calendering stage requires comprehensive solution of formulation and process.
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