





| performance | standard | data |
| Pencil hardness | Mitsubishi pencil | 2 to 3 h |
|
(MPa) |
GB/T 5210 |
> = 5 |
| Resistance to xylene, alcohol (room temperature, 6 months) |
KS 5307 m. |
No blistering, rusting, cracking or peeling |
| Crude oil resistance (60℃, 6 months) |
KS 5307 m. |
No blistering, rusting, cracking or peeling |
| Thermal water (90-100℃, 48 h) |
GB/T 1733 | No blistering, rusting, cracking or peeling |
| Alkali resistance (5%, NaOH, 48 h, room temperature) |
A method of GB/T 9274 | No blistering, rusting, cracking or peeling |
| Acid resistance (5%, H2SO4, 168 h) |
A method of GB/T 9274 | No blistering, rusting, cracking or peeling |
| Resistance to salt water (5%, NaCl, 168 h) |
A method of GB/T 9274 | No blistering, rusting, cracking or peeling |
| Gasoline resistance (room temperature, 6 months) |
SY Т 0319 | No blistering, rusting, cracking or peeling |
| Salt spray acceleration test (1000 h) |
GB/T 1771 qualified | No blistering, rusting, cracking or peeling |
| Freeze-thaw cycle (5 cycles) (grade) |
SYIT 0320 | qualified |
| Accelerated weathering test (2000 hours) |
GB/T 1865 | No blistering, rusting, cracking or peeling |