

-
Description for Dow Silastic TR-55
High mechanical properties; very high tear strength; high modulus; wide service temperature range.Brand Silastic Application Type Mold-Making 1 Part or 2 Part 1-Part Material Form Rubber-Crepe Manufacturer Dow Chemistry Silicone Cure Method Pressure Sensitive, Heat Cure Temperature (°C) 171 Cure Time (min) 10 Color Nearly transparent Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA 21 CFR 177.2600 -
Technical Data for Dow Silastic TR-55
Overview
-
Application Type
- Casting / Moldmaking - Mold-Making
-
1 Part or 2 Part
- 1-Part
-
Material Form
- Other - Rubber-Crepe
-
Industry
- Industrial - Calendering, Extrusion, Sheeting, Tubing and profiles
-
Chemistry
-
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
- Heat
-
Color
- Clear / Transparent - Nearly transparent
-
Key Specifications
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 177.2600 - FDA 21 CFR 177.2600
-
Brand
- Silastic
Specifications
Cure Specs
Cure Temperature (°C) 171 Test Method Cure Time (min) 10 Test Method Bond Strength
General Bond Strength (psi) High Tear Strength (piw) Very High, 51 (kN/m) Test Method Tensile Strength (psi) 1,530, 1,240 Test Method Hardness
Shore A Hardness 57, 62 Test Method Elongation (%) 785, 545 Test Method Modulus (psi) High, 300, 350 Test Method Other Properties
Specific Gravity 1.150 Test Method Business Information
Shelf Life Details When stored at or below 50°C (122°F) in the original unopened containers, this product has a usable life of 36 months from the date of production. Shelf Life Type from the date of production. Shelf Life (mon) 36 -
-
Best Practices for Dow Silastic TR-55
-
Comparable Materials for Dow Silastic TR-55
Spec Engine® Results
Popular Articles
Testing the effectiveness of surface treatments
Read Article6 objects held together by adhesives you probably can't live without
Read ArticleInfographic: ENSURING A STRONG BOND - 6 Basic Methods of Surface Preparation
Read ArticleElectrically Conductive Adhesives
Read ArticleSponsored Articles
Unique Advantages of Contact Adhesives
Read ArticleUsing LOCTITE® 454™ is a Valid Option for Engineers Working with a Wide Variety of Materials
Read ArticleSylgard 184 by DOW is the Top Choice for a Transparent, Silicone Encapsulant. Read Why:
Read ArticleCase Study: Creating reliable, corrosion-free bonds with LORD® 406 acrylic adhesive
Read ArticleFeatured Ads

Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
171°C | Press cure |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
10 min | Press cure |
Tear Strength Test Methods
Tear Strength | Test Method |
---|---|
Very High | |
51 (kN/m) | ASTM D624 |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
1,530 psi | ASTM D412 | ||
1,240 psi | 4,200 min | 200°C | ASTM D412, Heat aged, 70 hours at 200°C (392°F) |
Elongation Test Methods
Elongation | Test Method |
---|---|
785 % | ASTM D412 |
545 % | ASTM D412, Heat aged, 70 hours at 200°C (392°F) |
Modulus Test Methods
Modulus | Test Method |
---|---|
High | Modulus Test Method |
300 psi | ASTM D412, at 100% elongation |
350 psi | ASTM D412, at 100% elongation, Heat aged, 70 hours at 200°C (392°F) |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method | Hardness Temperature |
---|---|---|
57 | Hardness/Durometer Test Method | 200°C |
62 | ASTM D2240 |
Specific Gravity Test Methods
Specific Gravity | Test Method |
---|---|
1.150 | ASTM D792 |