adeka 厂家直供改性脂肪族固化剂eh-220的用途和特点：
adeka hardenereh-220
generaldescription
adeka hardenereh-220 is a modified aliphatic polyamine hardener which can cureepoxy resins even in high humidity at the low temperature like5℃.
adeka hardenereh-220 is characterized by providing glossy, amine-blush free filmand good physical properties, as well as good chemicalresistance.
characteristics
・ good curingperformance in high moisture and wet surface at the low temperaturelike 5℃
・ glossy andamine-blush free film
・ good chemicalresistance
typicalproperties
color (gardner) :6
viscosity at 25℃(mpa.s, cps.)　　 : 2000
specific gravity at25℃　　　 　: 1.05
amine value (mgkoh/g) : 370
typicalformulation (by weight)
adeka resin ep-4100: 100
adeka hardenereh-220 : 40
gel time (70gscale, min. at 25℃) : 15
physicalproperties
adeka resin ep-4100: 100 (by weight)
adeka hardenereh-220 : 40 (by weight)
curing schedule :r.t.×7 days
hardness shore d at25℃ : 　　　 86
tensile strength(kg/cm2 ) : 596
elongation (%) :2.6
compressivestrength (kg/cm2 ) : 1133
water and chemicalresistance (wt%)*-1
water : 0.72
10% hcl : 0.80
10% naoh : 0.57
10% h2so4 :1.02
10% ch3cooh :2.25
*-1 : weight changes after 7 days immersion at r.t.

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