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Mould release agents and sealers

Release agents and sealers for composite moulds. Compare semi-permanent systems, waxes and polyvinyl alcohol according to the mould surface, resin and manufacturing process.

What to consider when choosing

Choosing how to release the part

For thermoset parts, compare waxes, polyvinyl alcohol and semi-permanent release agents. Polyvinyl alcohol forms a physical film; Paste Wiz HC and P82-99 waxes have documented moulding uses, with P82-99 also intended for polymer concrete and metal counter-moulds. Release capability varies across the FlexZ range: choose according to geometry and process, not simply pack size.

Preparing new or refurbished surfaces

Sealers condition porous surfaces before release: Mikon 399 MC is described for epoxy or polyurethane tooling boards and MDF, while Chemlease 15 Sealer EZ is intended for new or refurbished moulds. Pattern and mould preparation and prior cleaning are part of selecting the system. When applying a gelcoat, consult the gelcoats and topcoats selection and check wetting with the release agent: WaterShield, for example, warns of possible fish-eyes.

Zyvax® WaterShield™ EU Semipermanent Water-Based Release Agent
Mould release agents and sealers

Zyvax® WaterShield™ EU Semipermanent Water-Based Release Agent

WMD0304
€13.50 €13.50 VAT excl.
Zyvax® WaterShield™ is a high performance release coating that has been created to give multiple releases. Zyvax® WaterShield™ is so versatile that it can be used for most moulding operations. It is recommended for releasing epoxies, phenolics, polyester resins, urethane acrylates, polyamides, polybismaleimides, various rubbers and elastomers.
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