POLYURETHANE CLEAR COATING (N-TYPE)

TYPE

A two-pack, non-yellowing clear paint based on acrylic resin, polyol resin polymer and polyisocyanate hardener.

USES

Clear topcoat for metalware and woodenware such as furniture, musical instruments, handicrafts, sports equipment etc.

CHARACTERISTICS

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

2. Excellent adhesion for wooden and metal wares.

3. Excellent abrasive and heat resistance.

GLOSS

Above 90%

APPEARANCE

Clear liquid

WEIGHT

Above 1.0 kg/L (Mixer)

VISCOSITY (25 ℃)

55~80 KU ( mixture, 25℃ )

OPTIMUM FILM THICKNESS

Wet 50 microns Dry 25 microns

MIXER RATIO

Base : hardener = 2 : 1 (by volume)

DRYING TIME (25 ℃)

Set-to-touch 2 hr. Dry hard 8 hrs. (25 ℃).

NON-VOLATILE CONTENT

Above 50% ( mixture )

POT LIFE

4 hrs. ( mixture, 25℃ )

THINNER

PU thinner

THINNING RATE

5~20 %

STORAGE SHELF LIFE

Minimum 1 year under normal storage conditions.

APPLICATION METHOD

Spray, Brush

NOTE

1. Mix base and hardener according to the mixing ratio and stir thoroughly.

2. Adhered moisture, grease, and dirt on substrate must be cleaned

    thoroughly.

3. Use specified thinner to avoid formation of bubbles and pinholes.

4. The lid of hardener barrel must be tightly closed to prevent the contact with

    moisture in the air to avoid generating bubbles and gel.

5. The mixture must be available within the pot life.

6. The sprayed thickness of paint film exceeded 50microns per coat that is

    easy to generate bubbles. It must be done effective control when applied.

7. All equipment must be thoroughly cleaned immediately after use to avoid

    gel.

8. The brushing type can also be applied by roller, but to roll the polyurethane

    or fluorocarbon paints, the film thickness is easy too thick to generate small

    bubbles. It shall pay special attention to.