Characteristic:Good handle, hydrolysis resistance and cold resistance, high elasticity
Application: Cold resistance sole, marine fender, shock absorption mat
Typical properties of PU matrix
| Name of products | Appearance | Viscoscity (mPa·s/40℃) | Density (g·cm-³/40℃) | Package (kg) |
| A-7150 | Liqud | 1000-1400 | 1.01-1.02 | 18 |
| B-8260 | Yellowish Transparent liquid or waxy | 700-1100 | 1.08-1.2 | 20 |
Materials preheat
A-7150: preheated at 50-60℃ for 6-8 hours
B-8260: preheated at 50-60℃ for 8-12 hours
Typical processing parameters & Reaction parameter
| Items | A/B Materials Temperatures(℃) | Mix ratio A+C/B (By weight)
| Cream time (s) | End of Rise Time (s) | Free Rise Foam Density (g/cm³) | Mold Temperature (℃) | Demold Time (min) |
| Parameter | 40-45/38-42 | 100/94-95 | 9-11 | 60-70 | 0.25-0.30 | 45-55 | 5-7 |
The adding content of C-2 should be 240g±10g/18kg
The adding content of water should be 0-40g/18kg according to the reality
Physical properties
| Items | Molded Density (g/cm³)
| Hardness (Shore A)
| Tensile strength (Mpa)
|
Elongation (%)
| Tear strength (kN/m) | DIN abrasion (mm³) | Flexing resistance (Break length 4mm)(-20℃) |
| Physical properties
| 0.55-0.70 | 55-70 | 8.0-13.5 | 500-750 | 38-50 | 60-100 | 40000 times no increasing |
Demold time may be prolonged with the increse of sole thickness
These physical data are acquired by testing a sample of 6mm thick
Data listed above are just for reference.The data are subjected to practical production.If other requests for physical properties,please contact us.
Looking for ideal
Shoes Making Material Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Pu Chemical for Marine Fender are quality guaranteed. We are China Origin Factory of Sole Raw Material. If you have any question, please feel free to contact us.
Mr. Javan