Material Drying
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Differences in molecular weight, additive content, etc. between batches affect processing stability
Problem Phenomenon
Differences in molecular weight, additive content, etc. between batches affect processing stability
Cause Analysis
Different batches of cellulose acetate butyrate differ in molecular weight distribution, fluidity changes
Additive (such as antioxidant) content fluctuates between batches
Moisture content differs between batches, processing conditions need adjustment
Raw material supplier change, performance fluctuation greater
Small batch trial production and large batch production parameter differences
Solution
Test key indicators for each batch of raw material entering the factory
Fine-tune processing parameters based on batch data
Use the same batch as much as possible for the same project
Supplier change requires comprehensive verification
Trial production parameters need to be adjusted based on large batch verification
Key Takeaway
Batch differences require incoming inspection and parameter fine-tuning
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