Model: | KC552 |
---|---|
Brand: | KINGCHAM |
Origin: | Made In China |
Category: | Chemicals / Coatings, Varnish & Painting |
Label: | HAA Hardener , buy HAA Hardener , curing agent |
Price: |
¥50
/ pc
|
Min. Order: | 500 pc |
Live Chat: | Last Online:30 Oct, 2013 |
HAA Hardener KC552
HAA Hardener KC552 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.S ested 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