Polyurethane Shoe Mold System
POLYCPU Polyurethane Shoe Mold System material supplier has been providing perfect liquid polyurethane for making concrete molds, stone molds, concrete stamps.
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Polyurethane Shoe Mold Sytem
Polyurethane shoe mold sytem is two component room temperature curing PU system. Because PU mold rubber series is specially designed for mold making, it has soft hardness, good flexibility, good toughness and high physical properties.
Specification
Specification
Polyurethane Shoe Mold System Description
These are casting polyurethane for shoe mold making. They are two-component systems. The casting polyurethane grades are designed for shoe mold production with excellent mechanical property. The mixing ratio is 100:100, easy to process. Hardness of the casting polyurethane grades includes 60A, 70A, 80A and 90A.
MDI Polyurethane Physical Properties
| Typical Properties | Value | |||
| Item NO. | MPR60 | MPR70 | MPR80 | MPR90 |
| Hardness / shore A | 60-65 | 70-75 | 80-85 | 90-95 |
| Mix Ratio | 1:1 | 1:1 | 1:1 | 1:1 |
| Color | Amber | Amber | Amber | Amber |
| Hardener | 20-25 | 20-25 | 20-25 | 5-7 |
| Mixed Temperature / ℃ | 30-48 | 30-48 | 30-48 | 30-48 |
| Gel time / min | 35-45 | 25-35 | 8-12 | 5-8 |
| Curing time / H | 10-12 | 10-12 | 6-8 | 6-8 |
| Viscosity / mPa.s | 1200-1500 | 1200-1500 | 1200-1500 | 1200-1500 |
| Tear Strength / N/mm | ≥10-15 | ≥15-20 | ≥30-38 | ≥75-80 |
| Tensile Strength / Mpa | ≥15 | ≥18 | ≥20 | ≥32 |
| 100% Modulus Strength / Mpa | ≥5 | ≥7 | ≥9 | ≥10 |
| 300% Modulus Strength / Mpa | ≥8 | ≥10 | ≥12 | ≥15 |
| Rebound rate / % | 45 | 40 | 35 | 30 |
Package
20kgs/drum, 200kgs/drum, 1000kgs/drum.
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