POLYURETHANE COATING, FLAT BLACK (N-TYPE)
PRODUCT NUMBER |
731 |
TYPE |
A two-pack, polyurethane coating based on acrylic resin, polyol resin and isocyanate hardener with special black pigment and matting agent. |
USES |
Used for high class wood products, sewing machine bed, metal products and FRP. |
CHARACTERISTICS |
1. Smooth matt surface without glare. 2. Excellent weather resistance with good color retention. 3. Excellent resistance to water, oils and chemicals. 4. Excellent adhesion, hardness and abrasion resistance. |
FINISH |
Flat |
COLOR |
Black |
HIDING POWER |
Above 16.7 m2/L (mixture) |
MASS DENSITY |
Above 0.9 Kg/L (mixture) |
VISCOSITY |
60~80 KU (mixture, 25℃) |
DRYING TIME |
Set-to-touch 1 hr. Dry hard 6 hrs. (25℃). |
OPTIMUM FILM THICKNESS |
Wet 60 microns Dry 30 microns |
THEORETICAL COVERAGE |
63.2 m2/Gal 16.7 m2/L 17.9 m2/Kg |
OVERCOATING INTERVALS |
Min. 4 hrs. Max. 6 months |
MIXING RATIO |
Base : hardener = 84 : 16 (by wt.) |
NON-VOLATILE CONTENTS |
Above 50% (mixture) |
POT LIFE | 4 hrs. (mixture, 25℃ ) |
HEAT RESISTANCE | Continuous 93℃ Intermittent 121℃ |
THINNER |
No.736 Polyurethane Thinner |
THINNING RATE |
10~25% (cleaning tools excluded) |
PRECEDING COATS |
No.711 Polyurethane Sanding No.733 Polyurethane Zinc Chromate Primer (for metal) Epoxy Primers Series |
STORAGE SHELF LIFE |
Minimum 1 year under normal storage conditions. |
APPLICATION METHOD |
1.Spray 2.Brush/Roller (only for hand-type) |
NOTE |
1. Mix base and hardener according to the mixing ratio and stir thoroughly. 2. Adhered moisture, grease, dust on substrate must be removed thoroughly. 3. Please use special thinner for dilution to avoid causing bubbles or pinholes. 4. Hardener cover must be tightly closed to avoid reaction with moisture in air to form bubbles and gelation. 5. Mixture of base and hardener must be used up within pot life. 6. Strictly controlling application, not to exceed 50 microns per coat, to avoid bubbles formation. 7. All equipments must be cleaned immediately after use. 8. The lacquer sanding is not suitable as a primer for this paint. 9. If change application method from airless spray to brush or roller, please advice our sales representative. 10.Avoid applying paint in rainy or the moisture above 85% RH, otherwise the adhesion will be
affected by moisture of substrate and the paint film will be
loss its gloss. |