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Application: D68 is the salts of polycarboxylic acid with cyclic amidine. The hardener, applied in suitable formulations can produce epoxy or Hybrid coatings for matt or semi-matt gloss with very good flowing and properties. Variation between matt and the semi-matt surfaces can be obtained by means of suitable adjustment of the formulation.
Hybrid coating with matt or semi-matt gloss may be achieved by replacing some of the polyesters in the formulation with an equivalent quantity of D68. The following gives the formulations of hardeners for matt epoxy coatings.
Property: Appearance: White or pale powder
Melting range: 200~250℃
Volatile: ≤ 1.5%
Average Particle Size: 10.2~11.5
Acid Value: 520.3~543.5
Impact Test: Good
Weight:25kg/bag
MQQ:40bags
