PU Foam For High-efficiency Automotive Air Filters
| Attribute | Value |
|---|---|
| Application | Automotive air filter |
| Mixing Ratio | Polyol-A/ISO-B=100:(25-30) |
| Appearance (A) | Milky viscous liquid |
| Appearance (B) | Brown Liquid |
| Packing | 200KG/DRUM |
| Shelf Life | 6 months |
POLYOL-A is a blend polyol combining hyperactive polyether polyols, cross-linking agent, and compound catalyst. ISO-B is a modified isocyanate that forms a micro-pore elastomer through cold molding. This combination delivers excellent mechanical and anti-fatigue properties with short production cycles and high efficiency, making it ideal for automotive and motorcycle air filters.
| Property | Polyol-A | ISO-B |
|---|---|---|
| Appearance | Milky viscous liquid | Brown Liquid |
| Viscosity (25℃)/(mPa*s) | 600-1000 | 75-125 |
| Density (20℃)/(g/ml) | 1.00-1.10 | 1.10-1.20 |
| Storage Temperature (℃) | 15-25 | 15-25 |
| Shelf Life (months) | 6 | 6 |
The material should be protected from moisture contamination under recommended temperature. ISO-B should be filled with nitrogen gas and sealed if not used completely.
| Unit | By manual | By machine |
|---|---|---|
| Polyol-A/ISO-B | 100/(25-30) | 100/(25-30) |
| Cream time (s) | 20-30 | 18-28 |
| Gel time (s) | 50-60 | 45-55 |
| Mold Temperature (℃) | 35-55 | 35-55 |
| Demolding time (min) | 5-8 | 5-8 |
| FRD (Kg/m3) | 500-600 | 450-550 |
| Unit | Index |
|---|---|
| Hardness (shore A) | 30-50 |
| Density (Kg/m3) | 700-800 |
| Tensile strength (mPa) | ≥0.5 |
| Elongation at break (%) | ≥90 |
| Right-angled Tearing Strength (kN/m) | ≥2.7 |
The product is packed in galvanized steel drums with a net weight of 200kg. Store in a well-ventilated, cool, dry place away from direct sunlight, rain, water, and heat sources.
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