Products Section
Technical Specifications
| Test Item | Test Methods |
|---|---|
| Gloss | 60˚ gloss meter |
| Pencil hardness test | Scratched Mitsubishi uni-pencil harden than “H” |
| Cross cut erichsen test | 100 grids of 1mm X 1mm by knife and pushed up by 6mm with Erichsen tester |
| Cross cut test | Leave 1 hour after boiling test, 100 grids of 1mm X 1mm by knife |
| Impact test | Drop steel ball of 1000gr weight and 12.7mm diameter at 50cm height |
| Bending test | Completely folded, wrapping Mendril bar of diameter equivalent to 2 layers of test sample |
| Salt water spray test | Sprayed with 5% salt water at 35 °c |
| Weathering test | Over 1000 hours with Weather-O-Meter |
| Resistance to Acid test | Spot 5% HCI(of H2SO4) and leave 24 hours |
| Resistance to Alkali test | Spot 5% NaOH and leave 24 hours |
| Resistance to Solvent test | Rubbed by gauze soaked in M.E.K(of zylene) until the base metal exposed |
| Resistance to boiling test | Dipped in boiled water for 1 hour |
| Ultraviolet rays test | Exposed at 100V/10W ultraviolet rays lamp from 150mm distance for 6 hours |
| Test Item | RMP | HDP | HPP | Related Spec. | |
|---|---|---|---|---|---|
| Gloss | 5%-110% | 5%-110% | 5%-110% | 80%-110% | option |
| Pencil hardness test | H Good | 2H Good | F~H Good | H Good | KS D 3520 |
| Cross cut erichsen test | Good | Good | Good | Good | KS B 0812c / KS M 3343 |
| Cross cut test | Good | Good | Good | Good | |
| Impact test | No crack | No crack | No crack | No crack | KS D 3520 |
| Bending test | less than 5T No crack | less than 5T No crack | 0-1T No crack | 0-2T No crack | KS D 3520 / KS M 3343 |
| Salt water spray test | 500Hrs | 500Hrs | 500Hrs | 500Hrs | KS D 9502 / ASTM B 117 |
| Weathering test | cc | 1000Hrs Good | 500Hrs Good | 1000Hrs Good | JIS Z 0230 |
| Resistance to Acid test | 24Hrs Good | 24Hrs Good | 24Hrs Good | 24Hrs Good | KS M 3343 / PCTM 61310 |
| Resistance to Alkali test | 24Hrs Good | 24Hrs Good | 24Hrs Good | 24Hrs Good | KS M 3343 / PCTM 61310 |
| Resistance to Solvent test | 50times Good | 50times Good | 100times Good | 50times Good | |
| Resistance to boiling test | No change | No change | |||
| Ultraviolet rays test | No change | No change |
Producing Ability
| Item / Std. | POSCO | KS | JIS | ASTM |
|---|---|---|---|---|
| CR | CSP1 | SCP1(KSD3512) | SPCC(JISG3141) | A366 |
| EGI | EGS1 | SECC(KSD3528) | SECC(JISG3313) | A591-CQ |
| GI | CGCC | SGCC(KSD3506) | SGCC(JISG3302) | A526 |
| PCM | Thickness | Width | Length |
|---|---|---|---|
| 0.3 ~ 1.2 | 500 ~ 1500 | 350 ~ 50000 |
| Standard | Yield Point(Kg/mm2) | Tensile strength(Kg/mm2) | Elongation Ratio(%) |
|---|---|---|---|
| Less than 36 | Over 28 | Over 30 |
| Tolerance | Width | Length | Diagonal Tolerance |
|---|---|---|---|
| ±0.5 | ±0.5 | Less then 1mm |
