Product series 1000------L1082 Characteristic--Low viscosity,excellent fluent performance Usage--Color carrier Quality characteristics of PBT resin 1000 series | Test Item | Method | Units | L1075 | L1082 | L1090 | Chemical Performance | Intrinsic viscosity | Q/SHYH08.4411 | dl/g | 0.750±0.015 | 0.820±0.015 | 0.900±0.015 | Carboxyl | Q/SHYH08.4412 | mol/t | ≤30 | ≤30 | ≤30 | Melting point | Q/SHYH08.3026 | °C | ≥225 | ≥225 | ≥225 | L value | Q/SHYH08.4413 | - | ≥88 | ≥88 | ≥88 | b value | Q/SHYH08.4413 | - | ≤5.5 | ≤5.5 | ≤5.5 | Physical Performance | Density | ASTM D792 | g/cm3 | 1.30-1.32 | 1.30-1.32 | 1.30-1.32 | Melt flow rate | ASTM D1238 | g/10min | 90-120 | 60-65 | 45-50 | Tensile strength | ASTM D638 | Mpa | 40-50 | 50-60 | 50-60 | Elongation | ASTM D638 | % | ≥60 | ≥100 | ≥200 | Notched impact strength | ASTM D256 | J/m | ≥40 | ≥40 | ≥40 | Dielectric strength | ASTM D149 | KV/mm | ≥20 | ≥20 | ≥20 |
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