Polyvinyl alcohol – mold release

€7.05
VAT included

Polyvinyl alcohol (PVA) release agent that forms an anti-adhesive film between mold and casting. Ideal for polyester, epoxy and fiberglass resins. Works as a complement to wax release agents.

Format: 1 Kg
€7.05
VAT included
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Polyvinyl alcohol (PVA) as a professional release agent

The polyvinyl alcohol (PVA) is a liquid release agent used to create a thin, continuous and anti-adhesive film between the mold and the part during casting, laminating and composite manufacturing processes.

Its main function is to act as a physical separation barrier, preventing resins from sticking to the mold and enabling clean and safe demolding.

It is especially used in combination with mold release wax, forming a highly reliable protection system in high-demand molds.

How PVA release agent works

Protective film formation

Once applied, the polyvinyl alcohol dries and forms a flexible film that acts as a separating layer between mold and part.

Clean and safe demolding

It allows parts to be removed without damaging the mold, reducing risks of sticking and breakage in delicate or complex parts.

Use as a complement to mold release wax

It is commonly used over waxed molds to improve demolding safety in demanding processes.

Product application

Mold preparation

It is recommended to apply on clean and dry molds, preferably over a layer of mold release wax.

Application method

Apply a uniform coat using brush, sponge or spray, ensuring continuous coverage without uncovered areas.

Drying

Allow to dry completely until the protective film is formed before pouring resin.

Reapplication and maintenance

The PVA film is partially removed with each demolding cycle, therefore it is necessary to reapply in every production cycle.

If residues remain, they can be easily removed with water, allowing the mold to be prepared for new uses or later finishes such as painting or bonding.

Recommended applications

Suitable for processes with polyester resin, epoxy resin, fiberglass, vinylester and casting or laminating systems.

It is also used in complex mold making, prototypes, technical parts and applications requiring safe and controlled demolding.

Advantages of polyvinyl alcohol

High reliability as a release barrier

Reduces adhesion risk between part and mold.

Compatible with multiple materials

Works with thermoset resin systems and rigid or flexible molds.

Controlled finish

Enables clean demolding in processes requiring precision and repeatability.

POLIVINILICO-IP3000-1Kg

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