HAA Hardener KC1552

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HAA Hardener KC1552
Posting date : Nov 21, 2013
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29-
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HAA Hardener KC1552 HAA Hardener KC1552 is a tetra-functional group containing-β-hydroxyalkylamide. As a substitute of TGIC, it is suitable for curing with carboxyl-terminated polyester or acrylic resin to provide TGIC-free based exterior durable powder coatings. 1.Specification Appearance: White powder Melting point: 122-128°C Hydroxyl value: 685-720mgKOH/g Volatile: Max. 1% Solubility Soluble in water 2.Characteristics -Non-toxic in comparison with TGIC, the resulting TGIC-free based exterior durable powder coatings were non-toxic, non-irritant to skin and safety to human body. -Proved weather-resistance and low temperature curing (150°C) property. -Exhibited enhanced charging properties so better powder transfer efficiency could be obtained. -Excellent flow and mechanical properties 3.Suggested Formulation Recommended to design formulation by weight parts of 95/5(resin with KC1552) for pure polyester Formulation parts by weight, g Polyester (30-35mgKOH/g) 560 KC1552 30 Resiflow PV88 8 TiO2 or BaSO4 392 Degassing agent 10 Total 1000 *Baking condition: 180°C /15 Min. or 200°C /7-10 Min. Extruded condition:100 -110°C 4.Packing 25kgs net per paper bag 5.Storage and handling Store it in the cool and dry place and close packages after use to avoid moisture 6.Shelf life At least 1 year when properly stored

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