Safety shoes and one-step forming shoes Polyurethane resins
- Min. Order:
- 1000 Kilogram
- Min. Order:
- 1000 Kilogram
- Transportation:
- Ocean, Land, Air
- Port:
- Shanghai
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Contact Now| Place of Origin: | China |
|---|---|
| Productivity: | 260000tons/year |
| Supply Ability: | 250000 tons/year |
| Payment Type: | L/C,T/T |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Air |
| Port: | Shanghai |
Safety Shoes Materials
Characteristic:High strength and cohesive force, good cold resistance, abrasion resistance and skid resistance
Application: Sole for cold resistance safety shoes
Typical properties of PU matrix
| Name of products | Appearance |
Viscoscity (mPa·s/40℃) |
Density (g·cm-³/40℃) |
Package (kg) |
| A-6160 | Liquid | 1000-1400 | 1.01-1.02 | 18 |
| B-8260 | Yellowish Transparent liquid or waxy | 700-1100 | 1.08-1.2 | 20 |
Shoe Sole Polyurethane Resins
Materials preheat
A-6160: preheated at 50-60℃ for 8-10 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) |
||
| Parameter | 40-45/40-45 | sole | mid-sole | sole | mid-sole | 40-50 |
| 100/64-66 | 100/71-73 | 6-8 | 6-7 | |||
| Items |
Free Rise Foam Density (g/cm³) |
Mold Temperature (℃) |
Demold Time (min) |
|
| parameter | sole | mid-sole | 45-55 | 5-7 |
| 0.60-1.0 | 0.23-0.27 | |||
Polyester Polyol Isocyanate
The adding content of C-2 should be 280g±10g/18kg
The adding content of water and hardener should be changed according to the reality
Sole: H2O 0-20g/18kg Hardener 0-400g/18kg
Mid-sole: H2O 50-60g/18kg Hardener 0-600g/18kg
Physical properties
| Items |
Molded Density (g/cm³)
|
Hardness (Shore A)
|
Tensile strength (Mpa)
|
Elongation (%)
|
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|
Physical properties
|
sole | mid-sole | sole | mid-sole | sole | mid-sole | sole | mid-sole |
| 0.9-1.1 | 0.45-0.55 | 65-70 | 40-50 | 9.0-12.0 | 4.5-8.9 | 600-720 | 550-660 | |
| Items |
Tear strength (kN/m) |
Flexing resistance |
DIN abrasion (mm³) |
Peel strength between sole and mid-sole (kN/m) |
||
| Physical properties | sole | mid-sole | 100000 times no crack | sole | mid-sole | ≥4.0 |
| 29-42 | 24-32 | 60-100 | ---- | |||
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.
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