INDUSTRA-COAT #3520 is a two component low-gloss aliphatic polyurethane water based floor sealer that exhibits excellent characteristics for abrasion resistance, chemical resistance, flexibility, weathering, and UV stability.
CURE SCHEDULE (70°F):
pot life (150 gram mass) |
Minimum 1 hour |
tack free (dry to touch) |
7-9 hours |
recoat or topcoat |
8-12 hours |
light foot traffic |
24 hours |
full cure (heavy traffic) |
3-5 days |
APPLICATION TEMPERATURE: 60-90 degrees F with relative humidity between 50% and 90%.
MIX RATIO: 2 parts A to 1 part B by volume
SHELF LIFE: 90 days in unopened containers
FINISH CHARACTERISTICS: low-gloss (<20 at 60 degrees @ glossmeter)
IMPACT RESISTANCE: Gardner Impact, direct & reverse=160 in lb (passed)
ABRASION RESISTANCE: Taber abrasor CS-17 calibrase wheel with 1000 gram total load and 500 cycles= 23.0 mg loss
ADHESION: >300 psi @ elcometer (concrete failure, no delamination) over suitable primer
VISCOSITY: Mixed= 450-650 cps (typical)
FLEXIBILITY: No cracks on a 1/8” mandrel