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GPPS | ||||
Item | Test conditions | Test method | Test data | unit |
Density | ISO 1183:1987 | 1040 | kg/m3 | |
Water absorption | ISO 62:1999 | <0.1 | % | |
Melt flow rate | 200°C/5kg | ISO 1133:1997 | 3.8 | cm3/10min |
Process shrinkage | ISO 294-4:1997 | 0.4-0.6 | % | |
Charpy impact strength | 1eU | ISO 179:1993 | 15 | kj/m2 |
Tensile modulus | 1mm/min | ISO 527-2:1993 | 3300 | MPa |
Elongation | 50mm/min | ISO 527-2:1993 | 3 | % |
Tensile strength at break | 50mm/min | ISO 527-2:1993 | 55 | MPa |
Ball indentation hardness H | 358N/30s | ISO 2039-1:1993 | 150 | N/mm2 |
Bending strength | 2mm/min | ISO 178:1993 | 100 | MPa |
HDT | 1.8MPa | ISO 75-2:1993 | 84 | °C |
Linear coefficient of thermal expansion | (23-80)°C | DIN 53 752 | 0.8-1.0 | K-1 |
Heat conduction | DIN 52 612 | 0.16 | W/mK | |
Vicat softening point | B50/oil | ISO 306:1994 | 93 | °C |
Flame retardance | >1.4mm | UL-Standard 94 | 94HB | Class |
HIPS | ||||
Property | Unit | Test Method | Test Condition | HIPS |
Tensile Strength | kg/cm2 ( MPa) | ASTM D-638 ( ISO527) | 23°C | 220 (22) |
Tensile Elongation | % | ASTM D-638 ( ISO527) | 23°C | 40 |
Flexural Strength | kg/cm2 ( MPa) | ASTM D-790 ( ISO178) | 23°C | 440 (43) |
Flexural Modulus | kg/cm2*104 ( MPa) | ASTM D-790 ( ISO178) | 23°C | 2.3 (2260) |
Izod Impact Strength | kg-cm/cm ( J/m ) | ASTM D-256 ( ISO R180 ) | 23°C 1/4'' bar | 11.0 (108) |
Vicat Softening Temperature | °C | ASTM D-1525 (ISO306B) | Annealed 80°C×2Hr 1/8'' bar | 95 |
Heat Deflection Temperature | °C | ASTM D-648 ( 75/A) | Annealed 80°C×2Hr 1/8'' bar | 88 |
Melt Flow Index | g/10 min | ASTM D-1238 ( ISO1133 ) | 200°C×5Kg ( 49N ) | 5.5 |
Residual Monomer | ppm max. | - | - | 700 |
Molding Shrinkage | % | FCFC Method | 23°C | 0.4~0.6 |
Specific Gravity | - | ASTM D-792 ( ISO1183 ) | 23°C/23°C | 1.04 |
Flammability | - | UL-94 | FILE NO. E162823 | 1/16" HB NC |
EPS | |||||||
Specification | E301 | E302 | E303 | E401 | E501 | ||
Beads Size mm | 1.00-1.60 | 0.85-1.25 | 0.70-0.90 | 0.50-0.80 | 0.40-0.60 | ||
Vol.Cont % | 6.80 | 6.77 | 6.59 | 6.32 | 6.10 | ||
H2O % | 0.39 | 0.43 | 0.40 | 0.45 | 0.40 | ||
F.M % | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ||
Avg.size mm | 1.35 | 1.02 | 0.81 | 0.63 | 0.50 | ||
PRE-EXPENSION DENSITY | 12.0-14.0 | 14.0-16.0 | 15.0-18.0 | 18.0-25.0 | 25.0-30.0 | ||
Sieving ≥ 95% | 95.00 | 95.00 | 95.00 | 95.00 | 95.00 | ||
Result(g/l) | 12.50 | 14.50 | 17.38 | 20.67 | 26.18 | ||
Density | Max(I) | 12.11 | 14.76 | 15.53 | 18.29 | 25.38 | |
(g/l) | |||||||
Range | Mix(I) | 14.00 | 15.38 | 17.67 | 24.18 | 29.12 |