PVA Water Soluble Release Film for Clean Demoulding & High Surface Quality
PVA water soluble release film is an advanced polyvinyl alcohol based functional film designed for high-performance mould release in industrial manufacturing.
Compared with traditional release agents such as wax, oil, or silicone systems, water soluble release film provides a clean, uniform, and residue-free separation layer, significantly improving surface quality and production efficiency.
At Hebei InnoNew Material Technology Co., Ltd., we manufacture premium-grade PVA release film tailored for applications including:
- Artificial marble
- Quartz stone
- Precast concrete
- FRP / composite moulding
Delivering consistent demoulding performance, high-gloss surfaces, and reduced operational cost
What is PVA Water Soluble Release Film?
PVA release film is a biodegradable film made from polyvinyl alcohol (PVA) that dissolves completely in water after use.
It functions as a physical separation layer between mould and product, preventing:
- Adhesion
- Surface contamination
- Mechanical damage during demoulding
Unlike liquid release agents, this water soluble film ensures uniform performance across the entire mould surface.
Key Features & Advantages
✔ Excellent Demoulding Performance
Provides smooth and reliable separation, eliminating sticking issues.
✔ High Surface Quality & Gloss
Ensures:
- Mirror-like finish
- No oil marks
- No surface defects
✔ 100% Water Soluble & Residue-Free
After demoulding:
- Film dissolves completely
- No cleaning required
✔ Consistent Performance
- Uniform thickness
- Stable quality across batches
- Reduced operator dependency
✔ Eco-Friendly & Biodegradable
- No VOC emissions
- Meets global environmental standards
✔ Cost Optimization
Although higher unit cost than wax:
👉 Lower total cost due to:
- Reduced labor
- Less cleaning
- Lower defect rate
Technical Specification
| Property | Value |
|---|---|
| Material | PVA (Polyvinyl Alcohol) |
| Thickness | 25–80 micron (μm) |
| Water Dissolution Time | ≤ 240 seconds (25℃) |
| Tensile Strength | ≥ 30 MPa |
| Elongation at break | ≥ 150% |
| Width | 1020mm-2200mm |
Main Applications
Artificial Marble: Improves gloss and prevents surface defects
Quartz Stone: Ensures stable demoulding under high pressure
Precast Concrete: Eliminates oil contamination and improves surface finish
FRP / Composite Moulding: Provides smooth release for fiberglass and carbon fiber products
How It Works
- Place PVA water soluble release film in mould
- Pour or fill material
- Cure under controlled conditions
- Demould easily
- Wash with water → film dissolves
Comparison with Traditional Release Agents
| Parameter | PVA Release Film | Wax / Oil |
|---|---|---|
| Surface Quality | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ |
| Residue | None | Medium |
| Cleaning | Not required | Required |
| Consistency | High | Variable |
| Environmental Impact | Eco-friendly | Pollution risk |
Why Choose InnoNew
- Direct manufacturer of PVA water soluble film
- Stable quality & consistent viscosity
- Custom thickness & roll size
- Competitive factory pricing
- Global export experience
- Technical support for industrial applications
FAQ
What is PVA water soluble release film used for?
It is used for mould release in concrete, artificial stone, composites, and industrial moulding.
Is PVA release film better than wax?
Yes, it provides cleaner demoulding, higher surface quality, and no residue.
Does it affect product properties?
No, it acts as a physical barrier and does not interfere with material chemistry.
Can it be customized?
Yes, thickness, width, and solubility can be customized.
Get Free Sample & Factory Direct Price
Looking for a reliable PVA release film supplier?
👉 Free sample available
👉 Custom specifications supported
👉 Fast global delivery
📩 Email: chris@innonew-material.com
📱 WhatsApp: +86 17736063980
