compounds PBT GF FR grade

PropertiesTest ItemASTMUnit PBT RR G30G25G20G15G10G0Density D792 g/cm3 1.62 1.60 1.55 1.52 1.50 1.48 Water absorption (23 50%RH) D570 % 0.06 0.06 0.08 0.08 0.08 0.1 Mold Shrinkage D955 % 0.4-0.9 0.4-1.1 0.6-1.2 0.8-1.4 1.0-1.6 1.8 Tensile strength D638 Mpa 120 110 95 85 80 50 Strain at break D638 % 2 3 3 4 4 14 Flexural strength D790 Mpa 185 170 150 140 130 100 Flexural modulus D790 Mpa 9000 8500 8000 7000 6000 3500 Izod impact strength Notched Un-notched D256 D256 J/m J/m 75 500 65450 60400 50350 40300 30200 Heat deflection temperature At 1.82 Mpa At 0.46 MpaD648 D648203 / 200/ 198/ 195/ 185/ /160 Flammability (0.8 mm) UL94/IEC60695 V-0 V-0 V-0 V-0 V-0 V-0 Dielectric strength D149 KV/mm 21 21 20 20 19 19 Volume resistivity(1016 ) D257 Ω-cm 0.4 0.5 0.6 0.7 0.8 0.9 Dielectric constant (1016 HZ) D150 --- 3.6 3.6 3.5 3.5 3.4 3.3 Dielectric factor (1016 HZ) D150 --- 0.02 0.02 0.02 0.02 0.02 0.02 Remark30%GF 25%GF 20%GF 15%GF 10%GF No GF