Description
QM 2128 is a two-component, room temperature, condensation cure silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material is an excellent choice for the molding of intricate patterns, skin molding and applications where high durometer, dimensional stability and extremely tough rubber are required. A variety of catalysts are offered with this material.
| 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
Low specific gravity
High tear strength
Low viscosity
Long work-life
Fast demold time
Excellent dimensional stability
MAIN APPLICATIONS
Molds for large and small statues
Molds for polyester, polyurethane and epoxy resin castings
Molds for technical articles and prototypes
Molds for furniture and picture frame replication
Molds for GFRC pre-cast
| Uncatalyzed | |||||
| TEST | QM 2128 | MM Purple | MM Green | MM Blue | MM Red |
| Color | Beige | Purple | Green | Blue | Red |
| Viscosity | 35,000 cps | 150 cps | 150 cps | 150 cps | 150 cps |
| Specific Gravity | 1.16 | 1.00 | 1.00 | 1.00 | 1.00 |
MIX RATION 10:1 by weight
| Catalyzed | ||||
| PROPERTY | MM Purple | MM Green | MM Blue | MM Red |
| Color | Light Purple | Light Green | Light Blue | Light Red |
| Viscosity | 35,000 cps | 35,000 cps | 35,000 cps | 35,000 cps |
| Specific Gravity | 1.13 | 1.13 | 1.13 | 1.13 |
| Work life at 25°C | 60 minutes | 60 minutes | 30 minutes | 30 minutes |
| Tack-Free Time | 4 to 6 hours | 4 to 6 hours | 2 to 4 hours | 2 to 4 hours |
| Demold Time | 8 to 10 hours | 8 to 10 hours | 4 to 6 hours | 4 to 6 hours |
3 Days at 25°C
| Cured Properties | |
| Durometer, Shore A | 28 |
| Tensile Strength | 600 psi |
| Elongation | 500% |
| Tear B | 160 ppi |
| Linear Shrinkage | < 0.25 % |
Reviews
There are no reviews yet.