HUITON METAL has established extensive quality control by CWQC (Company Wide Quality Control) from incoming material inspection, all the way through the production process, laboratory QC tests, to packing, shipping and after sales services. Our products and services will satisfy all your demands.
| ITEM | CONDITION | STANDARD | RESUL T | |
| 1 | Erichsen Test | 6mm with Erichsen tester | Erichsen Test | 1E↑ |
| 2 | Impact Test | 80ln-lb | ASTM D2794 | No Crack and Peel |
| 3 | Bending Test | 180° bending | ASTM D4145 | Common4T↓ Hight Workability2T↓ |
| 4 | Pencil Hardness Test |
Pencil tip tests the urface hardness |
JIS K 5400 | H↑ |
| 5 | Salt Spray Test | Concentration: 0±5g/l, TEMP: 35±1 , 500Hr |
ASTM B117 | No Corrosion |
| 6 | Alkali Test | Dipped in 10%NaOH 5Hr | JIS K6744 | Discolor E<2.0 |
| 7 | Acid Test | Dipped in 10%H2SO4 5Hr | JIS K6744 | Discolor E<2.0 |
| 8 | Boiling Water Test | Dipped in the boiling water 2Hr |
JIS K6744 | Discolor E<2.0 |
| ITEM | CONDITION | STANDARD | RESUL T | |
| 1 | Gloss Tes | 60°gloss meter | ASTM D257 | No corrosion |
| 2 | Pencil Hardness | Tes Pencil tip tests the surface hardness |
JIS K 5400 | H↑ |
| 3 | Erichsen Tes | 6mm with Erichsen teste | ASTM D4145 | No Crack and Peel |
| 4 | Adhesion Tes | Draw a cross by test machine, tests whether the paint falls by tape |
JIS K 5400 | 100/100 |
| 5 | Impact Test | 80ln-lb | ASTM D2794 | No Crack and Peel |
| 6 | Bending Tes | 180° bending | ASTM D4145 | Common4T↓ Hight Workability2T↓ |
| 7 | Salt Spray Tes | Concentration: 50±5g l,TEMP: 35±1 , 500Hr |
ASTM B117 | No corrosion |
| 8 | Acid Tes | Dipped in 5%H2SO4 24Hr | JIS K 5400 | Discolor E<2.0 |
| 9 | Alkali Tes | Dipped in 5%NaOH 24Hr | JIS K 5400 | Discolor E<2.0 |
| 10 | Solvent Test | Rub with MEK on surface | － | Steel no bared |
| 11 | Boiling Water Test | Dipped in the boiling water for 2Hr |
JIS K 5400 | Discolor E<2.0 |
