RESISTOP LABORATORY GRADE COUNTERTOPS
TEST PROCEDURES: In accordance with NEMA LD3-2000 test methodology, the following reagents were placed in contact with laboratory grade 1" (25.4mm) thick panel,under a 1" (25.4 mm) diameter watch glass for 24 hours in duration, at room temperature, prior to evaluation for effect. The effects of staining are color and pattern dependent. RESISTOP laboratory grade solid phenolic core panels also meet SEFA 8-1998 testing requirements.
Listed below is a summary of test results for the most commonly used chemical and staining agents.
CHEMICALS |
TEST RESULT |
ACETIC ACID 98% |
NO EFFECT |
AQUA REGIA |
GOOD |
CHROMIC ACID 60% |
EXCELLENT |
FORMIC ACID 90% |
NO EFFECT |
FORMIC ACID 98% |
NOT TESTED |
HYDROCHLORIC ACID 37% |
FAIR |
HYDROFLUORIC ACID 48% |
FAIR |
NITRIC ACID 30% |
GOOD |
NITRIC ACID 65% |
POOR |
PHOSPHORIC ACID 85% |
NO EFFECT |
SULFURIC ACID 77% |
EXCELENT |
SULFURIC ACID 97% |
FAIR |
CAUSTIC SODA 20% |
NOT TESTED |
SILVER NITRATE 10% |
EXCELLENT |
POTASSIUM IODIDE 10% |
NOT TESTED |
HYDROGEN PEROXIDE 30% |
NO EFFECT |
POTASSIUM PERMANGANATE 10% |
NOT TESTED |
SODIUM HYDROXIDE - SATURATED |
NO EFFECT |
IODINE (TINCTURE OF) |
NO EFFECT |
SULFURIC ACID 77% + NITRIC 70% |
EXCELLENT |
SOLVENTS |
TEST RESULTS |
ACETONE |
NO EFFECT |
ETHANOL |
NO EFFECT |
TOLUENE |
NO EFFECT |
TRICHLOROETHYLENE |
NO EFFECT |
RATING SCALE / KEY:
NO EFFECT: NO DETECTABLE STAIN, LOSS OF GLOSS OR CHANGE IN WORK SURFACE MATERIAL.
EXCELLENT: SLIGHT STAIN OR LOSS OF GLOSS, BUT NO CHANGE IN FUNCTION OR SMOOTHNESS OF THE SURFACE MATERIAL.
GOOD: A CLEARLY DISCERNIBLE STAIN OR LOSS OF GLOSS, BUT NO CHANGE TO THE FUNCTION OR SMOOTHNESS OF THE SURFACE MATERIAL.
FAIR: UNACCEPTABLE STAINING OR DISCERNIBLE DETERIORATION OR ETCHING OF THE SURFACE MATERIAL.
POOR: SEVERE STAIN OR MODERATE DETERIORATION, PITTING, CRATERING OR ETCHING OF THE SURFACE MATERIAL.
CARE AND MAINTENANCE: A regular schedule of maintenance is the most effective means of prolonging the surface life of lab grade work surfaces. Chemical spills should be cleaned immediately to prevent or greatly reduce the effects caused by long exposure of chemicals left on the work surfaces. Resistop surfaces should be cleaned with warm water, non-detergent soap, and/or with liquid glass polish. Rinse with clean water and wipe dry with a clean cloth. The use of steel wool and any abrasive cleaners should be avoided. We reserve the right to disclaim any responsibility for surface damage resulting from tradesmen or failure of the end user to provide periodic regular care and maintenance.