HT-7M (DURO 65) offers the highest temperature resistance and longest operational lifetime! Perfect for Zinc and Zinc Alloys and suitable for short runs of aluminum. The HT-7M Silicone Mold Compound is recommended for large components, thick wall sections and for very high production requirements in zinc alloys. A superior compound, it will yield 40-50% more casting cycles than any other high temperature silicone compound in use world-wide. is a high strength, Silicone Mold Compound available at a moderate cost level. Similar to Organic Rubber, it offers excellent undercut resistance and mold life, particularly when casting Pewter, Tin, Lead and Plastic.
Perfect for figurines and decorative items of any complexity, it can be easily flexed to allow release without cracking or tearing.
Available in sizes:
9” X 1” HT-7M /BLUE/ SET
12” X 1” HT-7M /BLUE / SET
15” X 1” HT-7M /BLUE / SET
18” X 1” HT-7M /BLUE / SET
20” X 1” HT-7M /BLUE / SET
Main Features
- High Temperature Resistance
- Longevity
Intended Applications
Zinc and Zinc-based Alloys: 
Pewter, Tin, Lead: 
Plastic, Wax : Not Suitable Detailed Zinc Parts Short volumes of small Aluminum castings Large or Thick-Walled components
| ITEM # | SIZE | LB WEIGHT PER SET | KG WEIGHT PER SET | SETS PER BOX |
| 04-1609 | 9" x 1" | 3.2 lbs | 1.5 kgs | 10 |
| 04-1612 | 12" x 1" | 5.6 lbs | 2.5 kgs | 10 |
| 04-1615 | 15" x 1" | 9.0 lbs | 4.1 kgs | 5 |
| 04-1618 | 18" x 1" | 13.4 lbs | 6.1 kgs | 5 |
| 04-1620 | 20" x 1" | 16.0 lbs | 7.3 kgs | 5 |
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