PU Semigloss Clear SC/50 + Catalyst #34

PU SEMIGLOSS SPC/50 is a premium polyurethane clear lacquer based on poly-functional saturated polyester resins and special additives, to provide a smooth and semigloss finish with good covering properties, excellent hardness and better flexibility.

Major Uses : PU SEMIGLOSS SPC/50 is excellent for wood furniture such as beds, cabinets, chairs, sofas, doors and frames.

CHARACTERISTICS & PHYSICAL PROPERTIES :

Appearance – Clear Liquid

Color – 1.0 kg/L

Specific Gravity (20ºC) – 1.25 +/- 0.2 kg/L

Viscosity (25ºC, FC # 4) – 60 sec.

Flash Point – 20ºC

Non-Volatile (Wt. %) – 48 +/- 0.5

Gloss (60ºC) – 50 – 60

Application Condition – Air temperature 5 – 35ºC, Relative Humidity 85% max.

Application Method – Auto or Conventional Spray

Recommended Catalyst – Catalyst #054

Thinner – Thinner #105/205

Mixing Ratio (Wt.%) – (FC #4, 13 – 15 sec.)

Base – 100

Cat. – 75

Thinner – 25-30

Pot Life (20ºC) – 3 – hrs.

Drying Time – Dust-Free 15 – 20 min., To Touch 30 – 45 min., To Recoat 1 – 2 hrs., Hard 24 – 36 hrs.

Coating Rate – 8 – 10 m2/L

Pencil Hardness – HB-HJ

SURFACE PREPARATION :

• The surface to be top coated should be primed with either PU SANDING SEALER, PRIMESEAL, OR POLYESTER PRIMER.
• It should be cleaned, well-sanded and free from dust, oil, water, and other contaminants.
• One or two coat may be sufficient for an ordinary finish; However, to obtain a good finish, the additional coat can be applied wet on wet if necessary.  Light sanding with 400-600   grit sand paper is recommended before subsequent coat when recoating exceeds 3 hrs. and remove traces of wax.