Countertops and curbs are molded from a modified epoxy resin that has been especially compounded and cured to provide optimum physical and chemical resistance required for a heavy duty laboratory working surface. They are a uniform mixture throughout, and do not depend on a surface coating that can be readily removed by chemical or physical abuse. Tops have a thickness required with a drip groove provided on underside of all sink top exposed edges. All edges shall have a slight radius. Curbs are bonded to the surface on the top to form a square water-tight joint. All joints in tops are bonded with an approved epoxy cement and shall be smooth and water-tight. Counters with integral curbs have a junction with a ¾” radius, except around columns and special cutouts, which will have a standard bonded curb.
Epoxy Resin is highly resistant to the normally used laboratory alkalies, alcohol, acids and solvents. The following solutions listed were tested for a period of 24 hours with optimum resistance.
| Flexural Strength | ASTM-Method D-790 | 16000/psi |
| Compressive Strength | ASTM-Method D-695 | 36,500/psi |
| Hardness Rockwell M | ASTM-Method D-785 | 110 |
| Density Gr./CC. | ASTM-Method D-792 | 123.55 lbs/ft3 |
| Water Absorption | ASTM-Method D-570 | 0.0076% |
| Flame Test | ASTM-Method D-635 | Self-extinguishing |
A Bunsen burner overturned on working surface for several minutes causes no adverse effects. Epoxy resin is self-extinguishing, in accordance with ASTM-Method D-635. Independent laboratory test reports available upon request.
Caring for and cleaning your countertops are just as important as the advantages these countertops provide. Learn more about Cleaning and Caring for Epoxy Resin countertops.
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