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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 PRINT 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