Description
QM 270 is a two-component, room temperature, addition cure silicone material. The cured rubber has excellent mechanical properties, good shelf-life stability, excellent physical properties and resin resistance. This material is a good choice for the molding of furniture, picture frames and architectural materials. QM 270 is exceptionally good where high durometer and dimensional stability 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
- High durometer
- Casting resin resistance
- Fast demold time
- Excellent dimensional stability
MAIN APPLICATIONS
- Molds for architectural replication
- Molds for polyester, epoxy resin casting, and rigid or foam polyurethane
- Molds for technical articles and prototypes
- Molds for furniture and picture frame replication
| Uncatalyzed | |||||
| TEST | QM 265 A | QM 265 B | |||
| Appearance | Beige | Clear | |||
| Viscosity | 750,000 cps | 500 cps | |||
| Specific Gravity | 1.33 | 1.01 | |||
| Catalyzed | |
| MIX RATIO 10:1 by weight | |
| PROPERTY | RESULT |
| Catalyzed Color | Beige |
| Viscosity | 50,000 cps |
| Work life at 25°C | 70 minutes |
| Demold Time | 8 ~ 12 hours |
| Cured Properties | |
| 3 Days at 25°C | |
| Durometer, Shore A | 75 |
| Tensile Strength | 1000 psi |
| Elongation | 110% |
| Tear | 100ppi |
| Linear Shrinkage | < 0.1 % |
| Useful temperature range | -55°C – 204°C |
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