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Metered addition of liquids and processing of solids

Additive processing - Metered addition of liquids and processing of solids

Additive processing

The properties of polyurethane systems can be significantly improved by a wide variety of additives, both liquid and solid. Apart from the fact that raw materials are prepared in a batch process, sometimes liquid additives such as flame retardants have to be metered into the mixhead directly online, or into the flow of one of the main components. Highest flammability ratings for Polyurethane products can also be achieved when solid flame retardants such as melamine or ammonium polyphosphate are mixed in. High strength is attained by the addition of short glass or mineral fibers, and the user can obtain products that have excellent accoustic qualities if heavy substances such as barium sulphate are added. Hennecke will supply you with customized processing equipment that is tailor-made to fit any filler used.

Metering machines
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All lines for raw material conditioning at a glance
Premixing station for the reliable metered addition of blowing agents such as PENTANE
Premixing station for the precise metering of HFOs (such as Solstice® LBA) and other blowing agents in batch processing
Metering unit for CO2 loading in a batch process
Metering unit for charging the polyol component with gas
Piston metering device for processing filler-containing additional components
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Additive processing
Metered addition of liquids and processing of solids
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Equipment for liquefying highly viscous raw materials and granulates
Exact temperature control by water-cooling system
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IBC station
Modular plant concept with innovative detail solutions for integrating IBC’s in PU production
Efficient double degassing system for effective evacuation of raw materials
An innovative, sustainable, high-pressure PUR metering add-on for quick mixing of liquids with solids
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