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Specialized in producing high-quality lc-68 matt curing agent, LONGCAI is one of the best lc-68 matt curing agent manufacturers and suppliers in China. Equipped with a professional factory, welcome to buy CE certification products at good price from our company.
General Description
LC-68 is a widely used in interior matting powder coatings.
Excellent gloss stability.
· Can get dead matting gloss:less than 5 gloss unit
· Good mechanical performance
· Provide wide gloss range from 3~60%
· LC-68 react with epoxy ratio is 1:9 or 1:10
Extrusion & Application Conditions
Extruder:Lingyu SLJ-20
Zone I temp:85~105℃
Zone II temp:100~120℃
Screw speed:400~500rpm
Panel:0.5mm pre-treated cold-rolled steel
Spray gun:Lingyu JP-80
Voltage:60~90kV
Curing cycles:10 min. @ 200℃
Packaging
· White PE bag, N.W.25kg/bag
Storage
The product can be stably stored for at least one year when kept in closed containers in a dry place at temperature below 30℃.Avoid exposure to direct sunlight.
| Product Specifications |
| Property | Range | Test Method |
| Appearance | White powder | VisuaVisuall |
| Melting Range (℃) | 222~227 | ISO11357-1 |
| Water content | <1.0% | Longcai method |
| Starting Formulation |
| Property | Range |
| Epoxy resin | 300.0 |
| LC-68 | 33.0 |
| Titanium dioxide | 150.0 |
| LC-88 Flow agent | 5.0 |
| Benzoin | 3.0 |
| Film Properties |
| Item | Result | Test Method |
| Film thickness, μm | approx. 60 | ASTM D1186 |
| Gloss @ 60o, % | 3 unit | ASTM D523 |
| Direct/reverse impact, inch lbs | 40/40 | ASTM D2794 |
| 1/8" Conical mandrel | pass | ASTM D522 |
| Adhesion(cross cut) | 5B | ASTM D3359 |
| Pencil hardness（Mar） | H | ISO 15184-98 |
