A-399
Low-dosage white-powder mold-release additive
A white powder for plastic and rubber processing trials where mold release must improve without a stated effect on transparency.

25 kg paper-poly pouch
Key values listed for A-399
The following technical values are taken from the current TDS to support grade selection and initial formulation work.
| Property | Listed value | Condition |
|---|---|---|
| Density | 0.920 g/cm³ | 20°C |
| pH | 6.8 | — |
| Molecular weight | >100,000 | — |
| Moisture | <0.5% | — |
| Melting point | 150°C | — |
What this grade is positioned to support
- Mold-release improvement
- Low-dosage processing trial
- Transparency-conscious evaluation
How to prepare the first evaluation
- 01
Pre-wet the resin with diffusion oil or white mineral oil.
- 02
Add A-399 and mix for 8-10 minutes.
- 03
Pre-dry before extrusion, injection molding or blow molding.
Current TDS and application guidance
Source file: a-399-tds.pdf. Verify release force, surface quality, printing and coating on the finished part. Do not generalize the transparency statement beyond the tested formulation.
