A-388
White-powder flow and brightness modifier for common plastics
A white powder documented for PP, PE, PC, ABS, POM, PVC and EVA to support dispersion, fluidity, melt flow and brightness without a stated loss of transparency.

25 kg paper-poly pouch or carton
Key values listed for A-388
The following technical values are taken from the current TDS to support grade selection and initial formulation work.
| Property | Listed value | Condition |
|---|---|---|
| Density | 0.90125 g/cm³ | 20°C |
| Ash | None stated in source TDS | — |
| Listed dosage | 0.2-0.8% | — |
| Flow-use dosage | ≥1% | — |
What this grade is positioned to support
- Brightness and gloss support
- Dispersion and fluidity adjustment
- Melt-flow modification
How to prepare the first evaluation
- 01
Pre-wet the resin uniformly with diffusion agent or white mineral oil.
- 02
Add A-388 and mix for 8-10 minutes.
- 03
Dry the blend before extrusion, injection molding or blow molding.
Current TDS and application guidance
Source file: a-388-tds.pdf. The flow-oriented dosage differs from the general brightness range. Confirm downstream printing, coating and surface requirements on the actual formulation.
