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A-669
A-669 plastic pellet impact modifier for PP / PE / TPU / EVA / PVC / PPR
A-669 is documented as form not stated in source tds for PP / PE / TPU / EVA / PVC / PPR. The source TDS lists 2-4% and positions the grade for impact, toughness, flexibility and low-temperature performance trials.
25 kg paper-poly pouch
TDS-derived technical profile
Key values listed for A-669
The following technical values are taken from the current TDS to support grade selection and initial formulation work.
| Property | Listed value |
|---|---|
| Listed dosage | 2-4% |
| Density | 0.9 g/cm3 |
| Melt flow rate | 0.6 g/10 min |
| Hardness | 78 Shore A |
| Brittle temperature | -70°C |
| Elongation at break | 800% |
What this grade is positioned to support
- Impact and toughness modification
- Flexibility and crack-resistance support
- Controlled resin-specific evaluation
How to prepare the first evaluation
- 01
Blend A-669 with the selected resin for 5-8 minutes.
- 02
Proceed by extrusion, injection molding or blow molding after uniform mixing.
- 03
Evaluate the target property on matched control and modified samples.
Technical documentation
Request current TDS Current TDS and application guidance
Source file: a-669-tds.pdf. Use the same resin grade and processing conditions for control comparisons. Glass fibre, fillers and blend composition can change the result and must be evaluated separately.