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Physical and Mechanical Properties
Panel Weight: 3 mm – 410 + 0.5 kg/m2 4 mm – 5.00 ± 0.5 kg/me 5 mm – 5.90 ± 0.5 kg/m2 6 mm – 6.85 ± 0.5 kg/me
Mechanical Properties
| Test Item | Standard | WELLBOND Actual and Test Value |
| Bending Strength |
≥ 100 Mpa |
122 Mpa |
| Bend Elastic Module | ≥ 20.000 Mpa | 30.200 Mpa |
| Through Resistance, ASTM 0732 | ≥ 9.0 KN | 10.9 KN |
| Shear Strength, ASTM D732 | ≥ 28.0 Mpa | ≥ 35.2 Mpa |
| 180 Degree peeling Strength | ≥ 7.0 N/mm | 12.0 N/mm |
| Temperature Change Resistance | No change | No change |
| Coefficient of Thermal Expansion, ASTM 0696 | ≤ 0.00004 C | ≤ 0.0000246 C |
| Heat Deflection Temperature, ASTM 0648 | ≥ 105 C | 110 C |
Coating Performance
| Test Item | Standard | WELLBOND Actual and Test Value |
| Coating Thickness | ≥ 25 µm | ≥ 28 µm |
| Gloss Deviation | gloss ≥ 70. max permissible deviation ≤ 5 gloss <70, max permissible deviation <10 | deviation = 1.0 |
| Color Deviation. ASTM 02244 | ≤ 2.0 units | ≤ 2.0 units |
| Pencil Hardness | ≥ HB | 3H |
| Coating flexibility, ASTM 04145 | ≤ 2T | 1T |
| Adhesion Grade. | In grid way: Grade 0 – In circle way: Grade 1 | in grid way: Grade 0 – in circle way: Grade 1 |
| Impact Resistance. | No peel-off, no crack at 5O kg.cm | No peel-off, no crack |
| Abrasion Resistance, ASTM 0968 | ≥ 5 L/um | ≥ 7.7 L/um |
| Hot Water Resistance | No color change, crack & peel-off at 98-100C in 120 min | No color change, no crack & no peel-off |
| Stain Resistance | ≤ 15% | 1.03% |
| Acid Resistance, ASTM 01308 | No change | No change |
| Alkali Resistance. ASTM 01308 | No change | No change |
| Oil Resistance, ASTM 01308 | No change | No change |
| Solvent Resistance, ASTM 02248 | No change | No change |
| Brush Resistance | ≥ 10000 times of no change | No change |
| Salt Fog Resistance. ASTM 13117 | ≥ Grade 2 | Grade 1 |
Aging and Weather Resistance Color Deviation Gloss Retention Grad Other Aging Performance | ≤ 3.0 ≥ Grade 2 Grade 0 | 1.9 Grade 1 Grade 0 |
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