Low gloss curing agent RB68
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It is a composed salt of cyclic-amidine and multi-acid, equivalent to B68 of HUELS AG company from Germanic. RB68 is a low-gloss curing agent making the film much lower gloss, with high mechanical strength and fine appearance.
Appearance: white powder
Melting range: 20002250
Solidified condition: in 2025 minutes at 1800, in 1015 minutes at 1900, and in 1012 minutes at 2000
Epoxy-resin powder or compound epoxy / polyester-resin powder. The force-out temperature should be properly increased in order that the curing agent can be well distributed in dissolution, as it has a higher melting point leading to unsatisfied blend with resin.
In the course of applying to low-gloss compound powder, a lower acid value of polyester resin can be selected to get the required gloss and the best comprehensive performance.
Package: 20kgs/polyethylene kraft paper bag.
Storage: Store in cool and dry place to avoid contacting other chemical products. Keep away from heat and fire.