| Item. | Main composition |
Solvent | Solid content (%) | Viscosity (cps/20oC) | Acid value | Solvent (20oC) | Characteristics | Application |
| AR 9510C | Isobutylated urea resin | Alcohol mixture | 60±2 | 800-1500 | 2 max | 2-5 | Fast drying; high hardness; low cost | Stoving enamels; fast drying acid catalyzed curing; coating primers |
| AR9510-C65
|
Alcohol Mixture/Xylene | 65±2 | Z2-Z5 (G.H/25oC) | 2 max | 1.5-8 | Fast drying; high hardness; low odor; high viscosity; low cost | ||
| AR9537A | Alcohol Mixture | 60±2 | 800-1500 | 2 max | 3-8 | Slight odor; fast curing; high hardness | Acid catalyzed curing; top layer coating; coating primers | |
| AR9537-A65 | Alcohol Mixture | 65±2 | Z-Z2 (G.H/25oC) | 2 max | 3-8 | Slight odor; fast curing; high hardness; high solid content | ||
| AR9537-A65H | Alcohol Mixture | 65±2 | Z2-Z5 (G.H/25oC)
|
2 max | 2-8 | Slight odor; fast curing; high hardness; high viscosity | ||
| AR9537R | Alcohol Mixture | 60±2 | 2000-5000 | 2 max | 1.5-3 | Low odor; fast curing; high hardness; high viscosity; easy polishing | Acid catalyzed curing; coating primers | |
| AR9545A | Alcohol Mixture | 60±2 | 800-1500 | 2 max | 4-8 | Slight odor; water resistance; high stability; good gloss maintenance | Acid catalyzed curing; top layer coating | |
| AR9547-A65 | Alcohol Mixture | 65±2 | Y-Z1 (G.H/25oC) | 2 max | 4-8 | Slight odor; water resistance; high solid content; high stability; good gloss maintenance | ||
| AR9135 | n-Butylated urea-
melamine resin |
Alcohol Mixture/Xylene | 60±2 | W-Z2 (G.H/25oC) | 2 max | 2-6 | High gloss; water resistance; heat resistance; high stability; good weatherability | High quality acid catalyzed curing coating (top layer) use |
Recommend Formula for Wood Coatings
AR9537A : 40-60%
Alkyd Resin (60%) : 60-40%
Diluent : none
Hardener (50% PTSA) : 0.8-1.5 % (added before use)
Property Results on the Acid Catalyzed Wood Finishes
| Melamine
content |
Alkyd content | Gloss | Curing Property (90ï X 25oC) | Pencil Hardness (Mitsubishi) | Water Resistance | Solvent Resistance | Anti-Blocking | Pot-life | |||
| AR9537A | Alkyd resin (60%) | 60o Mirror | Finger touchable | Curing | After 1 day | After 2 days | 60oC X 3 hr | 25oC X 18 hr | MIBK X 1min | 35kg/cm2 X 40oC X 60 min | 25oC |
| 40% | 60% | 88 | 5 min | 15 min | 2H | 3H | Slight change | No change | No change | No change | > 24 hrs |
| 50% | 50% | 90 | 4.5 min | 14 min | 2H- | 2H+ | Slight change | No change | No change | No change | > 24 hrs |
| 60% | 40% | 91 | 4 min | 13 min | 1H | 2 | Slight change | No change | No change | No change | > 24 hrs |
Formula suggested for top layer coating use
9545A : 40-60%
Alkyd Resin (60%) : 60-40%
Hardener (50% PTSA) : 0.8-1.5 % (added before use)
Property for Wood Top Coat
| Melamine
Content |
Alkyd content | Gloss | Curing Property (90ï X 25oC) | Pencil Hardness (Mitsubishi) | Water Resistance | Solvent Resistance | Anti-Blocking | Pot-life | |||
| AR9537A | Alkyd resin-60 | 60o Mirror | Finger touchable | Curing | After 1 day | After 2 days | 60oC X 3 hr | 25oC X 18 hr | MIBK X 1min | 35kg/cm2 X 40oC X 60 min | 25oC |
| 40% | 60% | 90 | 6 min | 17 min | 2H | 3H | Slight change | No change | No change | No change | > 24 hrs |
| 50% | 50% | 92 | 5.5 min | 16 min | 2H- | 2H+ | Slight change | No change | No change | No change | > 24 hrs |
| 60% | 40% | 93 | 5 min | 15 min | H+ | 2 | Slight change | No change | No change | No change | > 24 hrs |
