Description
QM 245 is a two-component, room temperature, addition cure silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material is a good choice for the molding of furniture, picture frames and architectural materials. QM 245 is exceptionally good where highly detailed parts and mold flexibility are required.
| Packing | Weight | Mix Ratio |
| Gallon Pail Kit | 11 lbs | 10:1 |
| 5 Gallon Pail Kit | 44 lbs | 10:1 |
| 55 Gallon Drum Kit | 550 lbs | 10:1 |
KEY FEATURES
- Excellent tear resistance
- Casting resin resistance
- Fast demold time
- Good mold flexibility
MAIN APPLICATIONS
- Molds for architectural replication
- Molds for polyester, epoxy, and rigid or foam polyurethane resin casting
- Molds for technical articles and prototypes
- Molds for furniture and picture frame replication
| Uncatalyzed | |||||
| TEST | QM 245 Clear A | QM 245 Clear B | |||
| Appearance | Beige | Clear | |||
| Viscosity | 50,000 cps | 2,000 cps | |||
| Specific Gravity | 1.34 | 0.96 | |||
| Catalyzed | |
| MIX RATIO 10:1 by weight | |
| PROPERTY | RESULT |
| Catalyzed Color | Beige |
| Viscosity | 30,000 cps |
| Work life at 25°C | 46 minutes |
| Demold Time | 6 ~ 8 hours |
| Cured Properties | |
| 3 Days at 25°C | |
| Durometer, Shore A | 45 |
| Tensile Strength | 600 psi |
| Elongation | 400% |
| Tear | 75 ppi |
| Linear Shrinkage | < 0.1 % |
| Useful temperature range | -55°C – 204°C |
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