PVA Release Agent 3% Solution
Key Features
- 3% PVA for thin film release on polished, smooth molds
- Water-soluble film — parts wash clean easily after demolding
- Sprayable for fast, even application
- Suitable as barrier coat on new molds during seasoning
- No solvent — low VOC, safe for indoor use
This 3% polyvinyl alcohol (PVA) aqueous release agent solution is formulated for light-duty open mold composite production where a thin, water-soluble release film is required. PVA release agent forms a continuous, flexible film on the mold surface when sprayed or wiped and dried at ambient temperature. The dried PVA film acts as a physical barrier between the resin and the mold, providing reliable release. After demolding, the PVA film dissolves readily in water or dilute IPA — the part surface can be washed to remove any PVA residue before painting or bonding. The 3% concentration is the lightest standard grade, suitable for smooth polished molds producing thin parts where a very thin release film is needed. Suitable for polyester and vinyl ester laminating resins and gelcoat applications. The 3% solution is also used as a barrier coat over new molds during the initial seasoning period before applying wax release. Not recommended for elevated temperatures, RTM, or infusion processes.
Specifications
| Parameter | Value |
|---|---|
| Chemical | Polyvinyl alcohol (PVA) |
| Dry Time | 15–30 min (ambient) |
| Film Type | Water-soluble |
| CAS Number | 9002-89-5 |
| Shelf Life | 12 months |
| Concentration | 3% w/w |
| Application Method | Spray or wipe |
Applications
FAQ
PVA concentration determines film thickness and release durability. 3% PVA gives a very thin film — suitable for polished molds with well-sealed surfaces and thin parts. 5% PVA is the general-purpose grade for production open mold work. 10% PVA gives a thicker film for textured molds, large parts, or when extra release durability is needed. Higher concentration also increases the number of releases per application (3% = 1–2 releases, 5% = 2–4, 10% = 4–6).
Direct Contact
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