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SOLVENT and CHEMICAL RESISTANCE PROPERTIES After 50 Days Exposure
Typical Wearlon® Silicone Epoxy Coatings (Wearlon® 2020.90 and Wearlon® 2020.98)

These tests have been conducted on cold rolled steel Q-panels that have been surface prepared to SSPC 10 (sand blasted) and spray coated with 4.0 mil DFT (dryfilm thickness) of Wearlon® 2020.90 Primer, room temperature cured for 24 hours, followed by spray coating with Wearlon® 2020.98 Top-Coating to 4.0 mil DFT. The coated panels were cured at room temperature (minimum 20° C) for 7 days before testing commenced. Exposure tests have been conducted for 50 days in accordance with a modified version of ASTM G20-88. Under certain corrosive conditions pigments might change color without affecting physical properties of the coating.

KEY No Effect NR: Not Recommended
Substance Exposed To % Conc Fumes Occasional Splash 68°F (20° C) Immersion 140°F (60°C) Immersion
ACIDS
Acetic Acid glacial       NR NR
Acetic Acid 5        
Acetic Acid 20     NR NR
Citric Acid 25        
Hydrochloric Acid 10     NR NR
Lactic Acid 50        
Nitric Acid 10        
Oleic Acid          
Sulfuric Acid 50        
Sulfuric Acid 98        
ALKALIES
Potassium Carbonate 50        
Potassium Hydroxide 25        
Sodium Carbonate 50        
Sodium Hydroxide 50        
MISCELLANEOUS
Corn Oil 100        
Ketchup 100        
Mayonnaise 100        

This information is provided to assist the specifier in the selection of an appropriate coating for an end use situation. No warranty is expressed or implied since the surface preparation, thickness of application and the environmental conditions at the time of coating are beyond our control. The onus is on the user to determine if the product is fit for purpose. Should more information be required, please contact us and we will endeavor to be of assistance.

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