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Additive Dosing

Minor ingredients often decide product quality. Additive dosing systems meter pigments, vitamins, catalysts, masterbatch and process aids at set rate or set weight into continuous or batch processes.

Additive Dosing

What the system covers

Refill, metering, discharge and verification for minor ingredients, feeding batch or continuous processes at a set rate or set weight.

Accuracy at low rates

Small additive rates need stable feeding, so screw, vibratory or belt discharges are selected on the powder's flow behaviour. Fast and slow fill stages shorten cycle time without losing accuracy, and hoppers are shaped to avoid bridging in sticky or aerated powders.

Recipe and integration

Setpoints follow the recipe and are passed to the plant PLC or HMI, with simple reporting for batch records. Refill can come from a bag dump station, an FIBC unloader or a vacuum receiver, depending on how the additive arrives.

Hygiene and containment

Where additives are food or pharma grade, hoppers and feeders are supplied in stainless with smooth internal surfaces. Charging points are enclosed and extracted so the powder stays in the equipment rather than in the room.

Typical challenges

Micro-additives need stable low-rate feeding
Sticky or aerated powders bridge in small hoppers
Recipe changes require fast, documented set-points
Integration with mixers, extruders or pneumatic lines

What we deliver

Loss-in-weight feeders with screw, vibratory or belt discharge
Gain-in-weight hoppers for batch minor dosing
Refill from bag dump, FIBC or vacuum receivers
Recipe and setpoint interfaces for plant PLC / HMI
Calibration guidance and spare parts for metering screws

Process flow

Additive intake
Refill hopper
LIW / GIW dose
Discharge
Verify
Report

Typical applications

Food vitamins, enzymes and flavor powders
Plastic masterbatch and process aids
Chemical catalysts and pigment concentrates
Battery conductive additives and binders

Discuss your Additive Dosing project

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