Blog
Blog and news
PVC mixing technology, dry blend practice, mixer sizing and dosing guides: answers to the questions worth asking before you choose a mixer.
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Turnkey PVC mixing line: from raw material to extruder
How raw material storage, gravimetric powder and liquid dosing, the heater–cooler mixer, cooling and extruder feeding come together with dust…
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Why gravimetric dosing matters in PVC dry blending
Volumetric vs gravimetric dosing for PVC dry blend: what each measures, how it affects recipe consistency, traceability, dust and manual handling…
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PVC turbo mixer maintenance and common faults
The basics of preventive maintenance on a heater–cooler (turbo) mixer, and the likely causes behind vibration, missed temperatures, long cycles…
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Horizontal vs vertical cooler mixer: EPM-H and EPM-V compared
Comparing Erk’s horizontal-cooler EPM-H and vertical-cooler EPM-V series on catalogue figures: batch capacity, heater and cooler volumes, cooling…
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Gravimetric vs volumetric dosing: what is the difference?
How volumetric and gravimetric dosing work, what affects their accuracy, how batch weighing differs from loss-in-weight, and when each method makes…
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PVC dry blend problems and how to fix them
Lumps, poor flowability, low or high bulk density, yellowing, moisture and batch-to-batch variation: the likely causes inside a heater–cooler mixer…
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How to size a PVC mixer: from extruder output to batch size
A step-by-step method for sizing a heater–cooler mixer: total extruder demand, a sensible margin, batches per hour and bulk density, worked through…
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Industrial mixer types: a practical selection guide
How turbo (heater–cooler), ribbon, vertical silo, planetary, bonding and laboratory mixers work, which products each one suits and how to choose…
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What determines the price of a PVC mixer?
The cost of a PVC heater–cooler mixer is shaped by batch size, motor and drive, cooler design, automation, dosing and feeding scope, installation…
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