Advanced Filtration Technology Heat-resistant polyurethane PU System for Automotive Air Filters
POLYOL-02A is blend polyol which is combined by hyperactive polyether polyols, cross-linking agent, compound catalyst and so on. ISO-02B is modified isocyanate, and it is micro-pore elastomer which adopts cold molding. It has excellent mechanical and anti-fatigue properties. Also, with short production cycle, high efficiency consumption. So it is widely used for manufacturing cars, motorcycles and other air filters.
The material should be protected from moisture contamination under recommended temperature. Material B should fill nitrogen gas and then seal it if you can’t use it up at one time.
| Unit | POLYOL-02A | ISO-02B | |
|---|---|---|---|
| Appearance | / | Milky viscous liquid | Brown transparent liquid |
| Viscosity (25℃) | mPa.s | 1000-1500 | 80-150 |
| NCO | % | / | 29-31 |
| (Material temperature is 25℃) |
| Unit | ||
|---|---|---|
| POLYOL-02A/ISO-02B | Ratio | 100/40 |
| Cream time | s | 10-25 |
| String time | s | 40-60 |
The actual value changes depending on the processing conditions and customer requirements.
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