Description
Product Overview
AS-8935 is a high‑quality water‑based mold release agent designed for casting and molding processes. It provides excellent release performance, easy application, and consistent results across various mold materials, helping you boost production efficiency and reduce defect rates.
Product Features
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Efficient & Reliable Release – Forms a uniform, complete release film on the mold surface, ensuring easy demolding after every pour. Repeated applications maintain stable performance over multiple production cycles.
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Water‑Based & Safe – The water‑based formula is non‑hazardous when used correctly, with low odor and reduced environmental impact. Only standard workshop safety measures are required.
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Simple Application & Fast Evaporation – Can be applied by spraying, brushing, or wiping. The solvent evaporates quickly, minimizing downtime between coats and speeding up your workflow.
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Uniform Film Coverage – For best results, apply three thin intermittent coats, allowing each layer to dry completely before the next. This ensures a pinhole‑free, even release layer.
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Excellent Storage Stability – Stable in a wide temperature range (0–60°C). Keep containers tightly sealed to prevent moisture loss; shelf life remains consistent under proper storage.
Application Areas
- PU foaming
- Injection molding parts
Appearance
- Milky
Technical Data:
| Property | Value | |
| Solid composition | Special release components | |
| Density | 1.00 ± 0.02 kg/L | |
| pH value | 7 – 9 | |
| Viscosity | < 10 cps (at 21°C) |
Packaging
- Size: 25kg/50KG/200KG/1CBM package
Processing Suggestions
- Recommended Dosage:
Recommended mold temperature 30 – 60°C (during pouring) - Usage: Ideal for use in the foaming of PU and in injection molding processes for smooth and efficient operation.
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Environmentally friendly / water‑based
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Designed for shoe sole upper‑mold applications
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Provides excellent release performance
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Dilutable with water for flexible use

FAQ – Common Problems in PU Shoe Sole Demolding & Our Release Agent Advantages
Why do PU shoe soles stick to the mold after curing?
Common causes:
- Insufficient release performance of the release agent
- Uneven spray coverage on the mold surface
- Poor compatibility between the release agent and PU system
- High mold temperature causing release film failure
Problems caused:
- Difficult demolding
- Sole deformation or tearing
- Longer production cycle time
- Increased scrap rate
How our release agent solves it:
Excellent release performance for PU sole molding
Stable release film even under continuous production conditions
Good compatibility with different PU formulations
Helps achieve smooth and easy demolding
Why does the release effect become unstable during mass production?
Common causes:
- Inconsistent release agent performance
- Poor resistance to temperature changes
- Uneven film formation
- Different operators applying different spray amounts
How our release agent solves it:
Stable performance during long production cycles
Consistent demolding results between batches
Easy application and operator-friendly processing
Suitable for manual and automatic spraying systems




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