2026-08-21
Why PVC Dry Blend Behaves Differently Between Batches: Bulk Density, Cooling and Storage Checks
Diagnose why the same PVC formulation feeds, fuses and runs differently between batches by checking mixing, bulk density, flowability, cooling and storage.
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2026-08-19
Why Rigid PVC Extrusion Pressure Fluctuates and What to Check First
A practical guide to diagnosing pvc extrusion pressure fluctuation in rigid PVC extrusion, covering unstable feeding, poor fusion, lubrication imbalance, temperature, processing parameters, and die conditions.
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2026-08-14
Calcium Stearate vs Zinc Stearate in Rigid PVC: Which One Affects Fusion and Release?
Compare calcium stearate and zinc stearate in rigid PVC, including fusion, release, heat stability, zinc burning, plate-out, and surface quality.
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2026-08-14
Why Calendered PVC Film Sticks to Rolls and What to Check in the Stabilizer-Lubricant System
Diagnose PVC film sticking to calender rolls by checking temperature, plate-out, line conditions, migration, and stabilizer-lubricant balance.
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2026-08-13
Flame Retardant PVC: Why Strength Drops and How to Rebalance
Learn why flame retardant PVC can lose tensile strength and stability, and how to rebalance flame retardants, plasticizers, stabilizers and lubricants.
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2026-08-11
Too Much or Too Little PVC Lubricant? How to Fix Slow Fusion, Plate-Out and Rough Surfaces
Diagnose whether PVC lubricant imbalance is causing slow fusion, plate-out, high torque, sticking or rough surfaces, then correct it with controlled trials.
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