Specifications
Matt Hardener is a type of chemical additive used in the manufacturing of various products, particularly in the automotive
and construction industries. It is typically used to increase the hardness and durability of materials such as paints, coatings,
adhesives, and sealants.
Matt Hardener is often used in combination with other chemicals, such as resins or binders, to create a strong and resilient
final product. It can help enhance the scratch resistance, chemical resistance, and overall performance of the material it is
added to.
The specific composition and properties of Matt Hardener can vary depending on the intended application and manufacturer.
Some common types of Matt Hardener include polyisocyanates, amines, and epoxy-based hardeners.
Overall, Matt Hardener plays a crucial role in improving the strength and durability of various products, making them more
resistant to wear, impact, and environmental factors.
Powder physical properties:
Specific gravity: 1.4-1.7 (for color and gloss vary)
Particle size distribution: 100% less than 100 microns (based on the special requirements of coating adjusted)
Fluidity: 120-140
Curing condition:
Type A - 200°C (work piece temperature), 15 minutes (flat or Matt)
Type B -180°C (work piece temperature), 15 minutes (highlight)
Type C -140°C (work piece temperature), 15 minutes (highlight)
| Inspection Item | Test Standard or Method | Test Indicator |
| Type A | Type B,C |
| Impact resistance | ISO6272 | GB/T1732-1993 | 40cm | 50cm |
| Cupping test | ISO1520 | GB/T9753-1988 | 5mm | 8mm |
| Adhesion(Planning grid method) | ISO2409 | GB/T9286-1998 | Grade 0 |
| Crook | ISO1519 | GB/T6742-1986 | 3mm | 2mm |
| Pencil hardness | ASTMD3363 | GB/T6739-1996 | 1H-2H |
| Salt test | ISO7253 | GB/T1771-1991 | > 500 hours |
| Heat test | ISO6270 | GB/T1740-1979 | > 1000 hours |
| Heat resistance | 100°C/24 hours (white) | Paul Light character (best) :
|
| Remark | 1, The above test use cold-rolled steel(thichness:0.8mm) to remove rust,oil. Film thickness: 50-70um. 2, All the indicators of film features will be down lightly depending on reducing of luster. |
Spreading rate:
9-12 square meters/kg Film thickness:60um(calculate as 100% powder coating)
Packing:
Paper carton lining to two Polyethylene inner bags. Net weight: 20kg/carto
Health and Safety:
Although it is non-toxic products, the operator should wear mask and glass to prevent inhaling dust. Don't contact with this powder in
long time.
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
