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Hardener 2251

Product Profile

Hardener 2251 is designed for epoxy resin and it is for heating operation under low temperature.

Technical indicator

Technical index

Data

Viscosity (25℃)

50-100

Proportion (25℃)

0.95

Amine value (mgKOH/g)

300

Active hydrogen equivalent

87

Gelation time (25℃/100g)minutes

75

Film hardening time (25℃) hours

6

Complete hardening time (70/25℃) hours

18

Advantage

■ Low viscosity
■ High glossy
■ Long operation time
■ High mechanical strength

Mechanical property

Mechanical property Curing process
Tensile strength  60.5Mpa 8hours fully cured at 50-60℃
Bending strength  96.6Mpa 5hours fully cured at 70-80℃
Bending failure load 272N  
Tensile failure load 2702N  

Product Application

Epoxy floor artesian plane coating/casting material

FRP water softening tank production(winding technology)