KL-400 is composed of resin and color paste, make up them according to some ratio and make it cure for use.
1, COMPOSITION
KL-400 is composed of resin and color paste, make up them according to some ratio and make it cure for use.
2, PROPERTIES
Strong throwing power and salt-spray resistance
Excellent stability, easy to operate and maintenance
Litle depending on solvent, the film is uniform with perfect complex performance
3, USAGE
KL-400 is mainly used as primary paint with corrosion-resistance, and primer-top for one coatings for car industry, home appliances, light industry and machine industry.
4, TECHNICAL DATA
(1), KL resin
Item | Index | Remark |
Appearance | Milk-white or slight yellow emulsion |
|
Solid content | 35% | 120°C/ IH |
PH value | 6.0±0.5 |
|
Electric conductivity (PS/CM) | 1100±300 |
|
(2), KL black paste
Item | Index | Remark |
Appearance | Black or gray viscosity liquid |
|
Solid content ≥ | 38 % | 120°C/ IH |
Fineness (PM) ≤ | 25 um |
|
PH value | 7.0±0.5 |
|
Electric conductivity (PS/CM) | ≤2000 |
|
(3), Operating Condition
Item | Index | Remark |
Solid content | 20±1% | 120°C/ IH |
PH value | 6.2±0.4 |
|
Electric conductivity (PS/CM) | ≤2000 |
|
Throwing power (cm) | ≥20 (250V/3min) | Ford box |
Solvent content | 1-4% |
|
Pigment / Binder ratio (P/B) | 0.15-0.5 |
|
Loss on heating | ≤8% |
|
Coulomb’s efficiency (mg/°C) | ≥30 |
|
Work voltage | 80-300 V |
|
Work time | 60-180 S |
|
(4), Film performance
Item | Index | Remark |
Appearance | Smooth and compact |
|
Film thickness | 20-30pm |
|
Adhesion strength | ≤1 |
|
Flexibility | ≤2 mm |
|
Cupping | ≥6 mm |
|
Impulse | 50cm |
|
Hardness | ≥2 |
|
Salt-spray resistance | ≥1000h | ASTM B117-73 |
NOTICE: Bonder 132-60 phosphating steel sheet or air-phosphating steel sheet
5, PACKING AND STORAGE
Packing: 20KG or 50Kg / plastic drum
Storage: keep in dry and cool place
Shelf life: 6 months, over the shelf life, if the test is qualified, it still can be used.
6, PRETREATMENT PROCESS
Pre-degreasing→water rinse→degreasing→phosphating→water rinse→electro-deposition→Ultrafiltrate rinse→pure water rinse→drying and curing
