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Chemical Resistance Test Procedures and Results

Chemical Resistance Test Procedures

One  sample of a black lab top, identified as "Tech ResinTM" and measuring 14" x 24" x 1", was submitted to Pittsburgh Testing Labs, laboratory # SPT-30154A, on May 21, 1993, by Lab Tech Fabricators Inc.  The sample was tested for chemical resistance as described herein.  It is recorded and on file as Project # 823-30112.

The panel was placed on a flat surface, cleaned with soap and water and blotted dry. Next, the panel was conditioned for 48 hours at 73 degrees Fahrenheit, plus or minus 3 degrees  and 50% relative humidity, plus or minus 5%.   The panel was then tested for chemical resistance using 49 different chemical reagents by one of the two methods listed below.

Method A - Volatile chemicals were tested by placing a cotton ball saturated with reagent in the mouth of a 1 oz. bottle and inverting the bottle on the surface of the panel.

Method B - Non-volatile chemicals were tested by placing five (5) drops of the reagent on the surface of the panel and covering with a 25mm. watch glass.

For both of the above methods, the reagents were left on the panel for a period of 24 hours. The panel was then washed off with water, cleaned with detergent and naphtha, and rinsed with de-ionized water. The panel was then dried with a towel and evaluated after 24 hours at 73 degrees Fahrenheit, plus or minus 3 degrees and 50% relative humidity, plus or minus 5%, using the following rating system:

0

No detectable change to the working surface

1

Slight detectable change in color or gloss, but no change to the function or life of the working surface

2

Slight surface etching or severe staining.

3

Pitting, cratering, or erosion of working surface material. Obvious and significant deterioration.

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Test Results

Test # Chemical Reagent Test Method

Test Result Athlon

Test Result Toplab

1 Acetate, Amyl A 1 0
2 Acetate, Ethyl A 1 0
3 Acetic Acid, 98% B 1 0
4 Acetone A 1 0
5 Acid Dichromate, 5% B 0 0
6 Alcohol, Butyl A 0 0
7 Alcohol, Ethyl A 1 0
8 Alcohol, Methyl A 1 0
9 Ammonium Hydroxide, 78% B 1 0
10 Benzene A 0 0
11 Carbon Tetrachloride A 0 0
12 Chloroform A 1 0
13 Chromic Acid, 60% B 2 0
14 Cresol A 0 0
15 Dichlor Acetic Acid A 0 0
16 Dimethylformanide A 2 0
17 Dioxane A 0 0
18 Ethyl Ether A 0 0
18 Formaldehyde, 37% A 1 0
20 Formic Acid, 90% B 2 0
21 Furfural A 0 0
22 Gasoline A 0 0
23 Hydrochloric Acid, 37% B 2 0
24 Hydrofluoric Acid, 48% B 2 0
25 Hydrogen Peroxide, 3% B 2 0
26 Iodine, Tincture Of B 2 0
27 Methyl Ethyl Ketone A 1 0
28 Methylene Chloride A 1 0
29 Mono Chlorobenzine A 1 0
30 Naphtalene A 0 0
31 Nitric Acid, 20% B 3 0
32 Nitric Acid  30% B 3 0
33 Nitric Acid  70% B 3 3
34 Phenol, 90% A 1 0
35 Phosphoric Acid, 85% B 2 0
36 Silver Nitrate, Saturated B 1 0
37 Sodium Hydroxide, 10% B 1 0
38 Sodium Hydroxide, 20%  B 1 0
39 Sodium Hydroxide, 40% B 2 0
40 Sodium Hydroxide, Flake B 2 0
41 Sodium Sulfide, Saturated B 0 0
42 Sulfuric Acid, 33% B 2 0
43 Sulfuric Acid, 77% B 2 0
44 Sulfuric Acid, 96% B 2 2
45 Sulfuric Acid 77% & Nitric Acid 70% Equal Parts B 2 3
46 Toluene A 0 0
47 Trichloroethylene A 1 0
48 Xylene A 0 0
49 Zinc Chloride, Saturated B 0 0

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Copyright 2001 NuLab Furniture Corporation