Urethane Products
Mereco urethanes are available in a variety of viscosities, cure times, and property profiles. Applications include potting and encapsulation, low-stress protection, and abrasion resistance.
Two Component Urethane Systems
| Product Designation | Highlight Description | Mix Ratio by Weight A to B |
Mix Ratio by Volume A to B |
Mixed Viscosity, CPS |
Working TIme at 25°C, 500 Grams |
Cure Schedule 100 Grams |
Hardness Shore A or D |
Volume Resistivity OHM * CM |
MSDS | PDB |
|---|---|---|---|---|---|---|---|---|---|---|
| Metrethane 4701 | Fire Retardant, Semi Flexible |
1:5 | 1:3.5 | 1,300 | 1 hour | 1 hour at 80°C | 60D | 1.2 x 1014 | Metrethane 4701 | Metrethane 4701 |
| Metrethane 4703 | Flexible Encapsulant | 1:1.3 | 1:15 | 1,220 | 30 minutes | 24 hours at 25°C | 30A | 8.0 x 1013 | Metrethane 4703 | Metrethane 4703 |
| Metrethane 4707 | Flexible, Low Viscosity | 1:2.5 | 1:3 | 500 | 30 minutes | 24 hours at 25°C | 70A | 5.2 x 1013 | Metrethane 4707 | Metrethane 4707 |
| Metrethane 4717 | Crosslinked Urethane Gel |
0.98:1 | 1:1 | 850 | 30 minutes | 48 hours at 25°C | Gel 0A | 2.3 x 1011 | Metrethane 4717 | Metrethane 4717 |
| Metrethane 4734 | Tough, Flexible, Low Cost |
1:5 | 1:4 | 1,800 | 30 minutes | 24 hours at 25°C | 80A | 5.4 x 1013 | Metrethane 4734 | Metrethane 4734 |
| Metrethane 4757 | Flexible, Medium Viscosity, Thermal Shock |
1:4 | 1:5 | 2,000 | 45 minutes | 24 hours at 25°C | 50A | 5.0 x 1013 | Metrethane 4757 | Metrethane 4757 |
| Metrethane 4758 | Flexible, Superior Thermal Shock |
1:8 | 1:7 | 10,000 | 45 minutes | 24 hours at 25°C | 80A +/- 5 | 2.5 x 1013 | Metrethane 4758 | Metrethane 4758 |
| Metrethane 4759 | Flexible Urethane Elastomer |
1:3 | 1:4 | 1,800 | 45 minutes | 24 hours at 25°C | 50A | 5.0 x 1013 | Metrethane 4759 | Metrethane 4759 |