Not sure exactly which sealant you need for your particular application? We make it easier for you with sealant selection charts provided by CR Laurence (CRL).
Silicone Sealant Selector Chart
| Sealant |
Primerless Adhesion To These Materials |
Dynamic Joint Movement | Tooling Time | Tack-Free Time | Cure Time 1/4" Bead | Performance Temperature Range | Application Temperature Range | Conformance to ASTM and Federal Specifications | Hardness (Shore A) |
|---|---|---|---|---|---|---|---|---|---|
| CRL 33S Silicone Sealant | Glass, Aluminum, Metal Alloys, Stainless Steel, Fiberglass, Plastics, Glazed Ceramic Tile, Poxcelain, and Painted Surface | ±25% | 3-5 Minutes | 20 Minutes | 2 Days | -80° to 400°F -62° to 204°C |
-35° to 140°F -37° to 60°C |
TT-S-00230C, Class A; TT-S- 001543A, Class A; ASTM C-920 Type S, Grade NS, Class 25, Use NT, G and A; 21CFR 177.2600; CGSB 19GP-13 |
25 |
| GE 1200 Construction Silicone Sealant | Glass, Ceramics, Steel, Granite, Aluminum and Plastics | ±25% | 5 Minutes | 30 Minutes | 5-7 Days | -72° to 400°F -58° to 204°C |
-35° to 110°F -37° to 43°C |
TT-S-001543A, TT-S-00230C, ASTM C920, Type S, Grade NS, Class 25, Use NT, G, A and O |
28 |
| CRL WCS1 Water Clear Silicone Sealant | Glass, Metal, Wood, Silicone Resin, Ceramic, Natural and Synthetic Fiber | ±25% | 7-10 Minutes | 10 Minutes | 3 Days | -80° to 450°F -62° to 232°C |
-35° to 140°F -37° to 60°C |
TT-S-00230, Class A, ASTM C-920 | 30 |
| CRL RTV408 Industrial and Construction Silicone | Aluminum, Stainless Steel, Chrominum, Tin, Iron, Plastics, Rigid PVC, Phenolic Resin, Glass, Ceramic, Most Reflective Coated Glasses | ±25% | 8-10 Minutes | 30 Minutes | 7-10 Days | -65° to 400°F -54° to 205°C |
-20° to 100°F -29°° to 38°C |
TT-S-001543A, Class A; TT-S- 00230C, Class A; ASTM C-920, Type S, Grade NS, Class 25, Use NT, G and A; CGSB-19.13, AAMA 808.3-92 |
25 |
| CRL 95C Silicone Building Sealant | Most all Glass, Ceramics, Plastics, Stone, Masonry, Wood, Steel, Anodized and Mill-Finished Aluminum, Painted Surfaces | ±50% | 20-30 Minutes | 2 Hours | 14-21 Days | -40° to 350°F -40° to 177°C |
-20° to 100°F -29° to 38°C |
TT-S-001543A; TT-S-00230C; ASTM C-920, Type S, Grade NS, Class 25, Use NT,G,A, M and O |
25 |
CRL Construction Sealant Selector Chart
| Sealant |
Primerless Adhesion To These Materials |
Dynamic Joint Movement | Tooling Time | Tack-Free Time | Cure Time 1/4" Bead | Performance Temperature Range | Application Temperature Range | Conformance to ASTM and Federal Specifications | Hardness (Shore A) |
|---|---|---|---|---|---|---|---|---|---|
| CRL M66 Textured Polyurethane Construction Sealant | Most surfaces including Precast, Masonry, Wood and Aluminum | ±25% | 1-2 Hours | <72 Hours | 24-48 Hours | -40° to 180°F -40° to 82°C |
40° to 140°F 4° to 60°C |
TT-S-00230C, Type II, Class A; ASTM C920-94, Type S. Grade NS, Class 25, Use NT, M, T, A and O |
40 |
| CRL M64 Smooth Polyurethane Construction Sealant | Most surfaces including precast, masonry and wood | +100% -50% |
1-2 Hours | <24 Hours | 24-48 Hours | -40° to 180°F -40° to 82°C |
40° to 140°F 4° to 60°C |
TT-S-00230C, Type II, Class A; ASTM C920-94, Type S. Grade NS, Class 25, Use NT, M, A and O; CGSB 19.13-M87, Type MCG-2-25-A-N |
25-30 |
| CRL 777 Butyl Rubber Sealant | Wood, Glass, Metal, Masonry and some Plastics | ±7% | 30 Minutes | 2 Hours | 21 Days | -20° to 200°F -29° to 93°C |
0° to 120°F -18° to 49°C |
TT-S-001657 Type I, TT-C0598C and TT-C-1796A; ASTM C1311 and AAMA 808.3 |
15 |
| CRL 888 Premium Grade Caulking Compound | Metal, Glass, Wood, Concrete and Drywall | ±7.5% | 30 Minutes | 2 Hours | 21 Days | -20° to 200°F -29° to 93°C |
40° to 120°F -4° to 49°C |
TT-S-001657, TT-C00598C and TT-C-1796A; ASTM C1311 and AAMA 808.3 |
20 |
| CRL 800 Series Acrylic Latex Caulk with Silicone | Wood, Metal, Drywall and Glass | ±7.5% | 15 Minutes | 45 Minutes | 72 Hours | 0° to 180°F -18° to 82°C |
>40°F >4°C |
ASTM C-834-95 | 50 |
Reference: http://crlaurence.com/datasheets/pdfs/sealant.pdf