Rockhard Water Based Urethane Matte Kit

Rockhard WB Urethane is a 2 component water-based aliphatic urethane designed to provide a matte finish UV stable (non-yellowing), low odor, high abrasion resistance, and chemical resistant protection. It is a superior, new-generation product exhibiting an excellent balance of pot life, cure time, recoat ability, return to service, and chemical resistance.

Features:

Very low odor
Excellent pot life
VOC compliant
ADA-compliant (slip coefficient >0.6)
Excellent adhesion
Extraordinary chemical resistance
Easy maintenance
Rockhard WB Urethane has a very low odor and can be applied indoors in occupied areas. It functions as a clear or pigmented finish for resinous decorative and industrial flooring.

COVERAGE
Typically spread at 400-500 ft2 /gallon to yield 1.4-2 mils. Up to 3 mils are possible in one application but will exhibit a longer cure time to develop the full hardness required for heavy traffic. Do not exceed 4 mils or microbubbles may form, resulting in a white haze.

TECHNICAL DATA
Viscosity: @ 75 F 200-500 cps
Mixing Ratio: 4 Parts A to 1 Part B by Volume
Solids Content: 40-42% by Volume
Volatile Organic Content: <85 g/L
Weight per gallon: 8.77 lbs

CURE/DRY TIME
Pot Life (Working time): 75°F, 50% RH 60-90 minutes
Dry to Touch: 75°F, 40% RH 2-4 hours
Re-Coat, Minimum: 2-4 hours
Re-Coat, Maximum: (*Sanding required if exceeded) 24 hours
Light Foot Traffic: 24-36 hours
Heavy Traffic (*Varies by thickness, type of traffic): 72 hours

• Tech Data Sheet
• Safety Data Sheet (Part A)
• Safety Data Sheet (Part B)