Epoxy Adhesives
C.L. Smith Industrial Company offers a broad range of epoxies for all your adhesive needs. Our specially formulated materials are used in a wide variety of applications in many different environments.
CLS-63 Heat Resistant
CLS-63 Heat Resistant is a two component, 100% solids epoxy specifically formulated for high temperature applications. CLS-63 is a multi-purpose heat resistant adhesive with low odor, no VOC’s or solvents, waterproof and resistant to most chemicals and solvents making it an ideal adhesive for many applications. The thixotropic gel is good for vertical and overhead installations. Convenient 1:1 Mix Ratio
CLS-70-4 Fast Set
CLS-70-4 Fast Set is a two component, 100% solids, fast setting epoxy adhesive with a fluffy paste consistency and is easily mixed and applied. Excellent bonding adhesive for ceramic tile, brick, glass, metal, wood concrete, masonry tile and many plastic surfaces. Epoxy will reach 50% strength in (15) minutes, 100% in (1) hour.
CLS-473 Regular Set
CLS-473 Regular Set is a water clean-up version of our CLS-773 that is also an excellent bonding agent for wear materials in applications that may be more demanding. CLS-473 is tough, durable, chemical, solvent and moisture resistant with no VOC’s or solvents. The thixotropic gel is good for vertical or overhead installations and cures underwater.
CLS-773 Regular Set
CLS-773 Regular Set is a two component, 100% solids, moisture insensitive epoxy adhesive that is an excellent bonding agent for alumina ceramic tile, brick, glass, metal, wood, concrete, masonry tile and many other porous substrates. CLS-773 is our workhorse epoxy for bonding wear materials but it is also great for:
- Crack sealing and healing
- Bonding new concrete to existing concrete
- Bonds to most concrete, wood, fiberglass and metal surfaces
- Convenient 1:1 mix ratio
- Meets ASTM C-881 Type I, II, IV & V, Grade 3, Class B & C
CLS-973 Semi Flexible
CLS-973 Semi Flexible is a pourable, semi-flexible, 100% solids, multipurpose clear epoxy for gap filling that bonds extremely well to most surfaces including fiberglass, metal, wood and concrete and is our workhorse formula for encapsulating wear materials but is also great for:
- Protective coating and laminating
- Grout binder
- Hard coats and gel coats
All products are offered in (2) quart, (2) gallon, (10) gallon and (22) ounce cartridge kits.
Physical Properties
| CLS-63 | CLS-70-4 | CLS-473 | CLS-773 | CLS-973 | |
|---|---|---|---|---|---|
| Tensile Strength (ASTM D-638) |
6,000 psi | 2,800 psi | 5,500 psi | 8,250 psi | 5,590 psi |
| Compressive Strength (ASTM D-695) |
14,000 psi | 10,600 psi | 14,500 psi | 12,500 psi | 8,900 psi |
| Shore D Hardness | 80-85 | 80-85 | 80-85 | 80-85 | 70-75 |
| Pot Life at 77° F (100 grams) |
30 minutes | 6 minutes | 60 minutes | 30 minutes | 50 minutes |
| Cure Time at 77° F | 4-5 hours | As little as 15 minutes | 16 hours | 12 hours | 14 hours |
| Service Temperature |
350° F (Dry) or 300° F (Wet) |
180° F (Dry) or 130° F (Wet) |
180° F (Dry) or 130° F (Wet) |
180° F (Dry) or 130° F (Wet) |
130° F |
| Intermittent Temperature |
400° F (Dry) or 350° F (Wet) |
225° F (Dry or Wet) |
225° F (Dry or Wet) |
225° F (Dry or Wet) |
180° F |
| Mix Ratio | 1:1 by volume | 1:1 by volume | 1:1 by volume | 1:1 by volume | 3:33:1 by weight |
| Mixed Viscosity | Heavy Gel | Heavy Paste | Heavy Gel | Creamy Gel | Medium Oil |
| Shelf Life (factory sealed containers) |
12 Months | 12 Months | 12 Months | 12 Months | 12 Months |
Please call C.L. Smith Industrial Company and speak with your Sales Representative for your specific adhesive needs.
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