JH-UREAHB is a high performanced, sprayed, plural-component hybrid polyurea elastomer. This system is based on MDI prepolymer with NCO content, hydroxyl-terminated polyether resin and amine chain extenders. It provides a flexible, tough, resilient monolithic membrane with good water and chemical resistance.
PHYSICAL PROPERTIES
Appearance part A : yellowish liquid
part B : various colors
Non-volatile content (%) part A : 100 part B : 100
Specific gravity (25/4℃) part A : 1.16±0.05
part B : 1.04±0.05
Viscosity (cps/25℃) part A : 800±200
part B : 600±200
Mixing ratio(volume) 1:1
Theoretical coverage 1.1㎏/㎡×㎜
Gel time (sec/25℃) 10±2
Tack free time(min/25℃) min. 2
Post cure(hour/25℃) 12
Hardness (Shore A ) 80~90
Elongation (%) 300±100
Tensile strength (N/cm2) over 980
Tear strength (N/cm) over 392
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