713 POLYURETHANE CLEAR COATING (NN-TYPE)

POLYURETHANE CLEAR COATING (NN-TYPE)

PRODUCT NUMBER 713
TYPE A two-pack, non-yellowing polyurethane clear coating based on acrylic resin and polyol resin with isocyanate hardener.
USES Used for wood products and metal products, such as furniture, musical instruments, handicrafts, sports equipment etc.
CHARACTERISTICS

1. High gloss and hardness, good gloss and color retention.

2. Excellent adhesion with wood and metal products.

3. Excellent resistance to acids, alkalis, oils and salts.

4. Excellent resistance to abrasion and heat.
APPEARANCETransparent liquid
MASS DENSITY Above 1.0 Kg/L (mixture)
VISCOSITY 55~80 KU (mixture, 25℃)
DRYING TIME Set-to-touch 1 hr. Dry hard 6 hrs. (25℃)
OPTIMUM FILM THICKNESS Wet 70 microns
Dry 25 microns
THEORETICAL COVERAGE 54.1 /Gal 14.3 m2/L 14.1 m2/Kg
OVERCOATING INTERVALS Min. 4 hrs. Max. 6 months
MIXING RATIO Base : hardener = 70 : 30 (by wt.)
NON-VOLATILE CONTENTS Above 40% (mixture)
POT LIFE 4 hrs. (mixture, 25℃)
THINNERNo.736 Polyurethane Thinner
THINNING RATE 5~20% (cleaning tools excluded)
PRECEDING COATS No.711 Polyurethane Sanding

STORAGE SHELF LIFE

Minimum 1 year under normal storage conditions.
APPLICATION METHOD1.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.