PVA 250 ML

Name: PVA 250 ML
SKU: 55414
Price: 11.43 CAD
Availability: InStock

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PVA should be used to aid in the release of parts from a mold. It should be applied in three thin mist coats over...

Application videos using PVA.

PVA application @ 9:40 PVA application @ 8:35

Polyvinyl alcohol (PVA) is often utilized as a mold release agent in industries such as plastics, rubber, and composites. Here's how it works:

Coating: PVA can be applied as a thin film or coating onto the surface of a mold or other surface where sticking might occur.
Barrier: Once applied, the PVA forms a barrier between the surface and the material being molded or worked with, preventing adhesion.
Water Solubility: PVA is water-soluble, which means that after the molding process is complete, the PVA can be easily washed away with water, leaving behind the molded object.
Smooth Finish: PVA can also contribute to a smoother surface finish on the molded object, as it helps in preventing imperfections caused by sticking.

It's important to note that while PVA can be effective as a release agent in certain applications, its performance depends on the specific materials, processes, and conditions involved. For other applications, different types of release agents might be more suitable. Always ensure to test the compatibility and effectiveness of any release agent in your specific use case before widespread application.

Honey wax is great wax that won't cause PVA to bead up

🐝 Honey Wax® – Premium Mold Release with Maximum Payoff

Engineered with the purest grade carnauba wax and enhanced by advanced binders and spreading agents, Honey Wax® has been the go-to mold release agent in the reinforced composites industry for over 25 years. Why? Because it works—fast, clean, and reliably.

💡 What’s in it for you:

Save Time: Spreads faster and buffs easier than other waxes—cutting down on labor hours.
Get More Pulls: Creates a tough, abrasion-resistant film that lasts through multiple releases.
Achieve Flawless Results: Delivers high gloss and precise detail reproduction every time.
No Stains, No Hassle: Leaves behind a clean, hard-releasing surface that won’t mark your molds.
Boost Performance with PVA: Pairs perfectly with PVA for superior release characteristics.

🛠️ Application Tips:

For new molds, apply four coats for best results.
Start with two coats, buff off excess, let stand for an hour.
Finish with two more coats to allow solvents to evaporate and strengthen the wax barrier.

📦 Size: 14 oz 🔧 Part #: 55054

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SKU 55414

More Details

PVA should be used to aid in the release of parts from a mold. It should be applied in three thin mist coats over nonporous, waxed mold surfaces. After the final wax coat has dried, begin by spraying a light tack coat of PVA. Typically, within 5 minutes the final heavier coats can be added. The PVA dries to form a smooth, glassy film. After part release, the residual film can be removed with water. PVA can also be sprayed over any polyester repair to provide an airless tack-free cure