Extrusion & Post
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Solution for long-term aging of calcium-zinc stabilizer in sheet calendering
Problem Phenomenon
The calcium-zinc PVC system shows long-term aging-related abnormalities in the sheet calendering production stage, product quality is unstable.
Cause Analysis
The initial coloring characteristic of calcium-zinc stabilizers produces long-term aging problems under specific working conditions.
Solution
From the formulation perspective, increase auxiliary stabilizers, combined with process optimization to solve it.
Key Takeaway
The long-term aging problem of the calcium-zinc system in the sheet calendering stage requires coordinated optimization of formulation and process.
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