PBT 420基础创新塑料

pbt 420基础创新塑料产品描述---pbt | polybutylene terephthalate #polyester

saber foundation (formerly ge)

specification level: injection molding

remarks: glass fiber reinforced

420 physical property table

physical property  rating company test method

mold shrinkage 3-5 e-3

water absorption zero point zero six %

proportion one point five three

enhance thirty %

mechanical properties rating company test method

tensile strength (breaking point) one hundred and nineteenmpa

tensile ratio (breaking point) three %

bending modulus seven thousand five hundred and seventy-ninempa

impact strength notch (23 ℃) eighty-five j/m

hard expansion rockwell r one hundred and eighteen

electrical performance rating company test method

volume resistance 3.00e+16 ohm-cm

dielectric constant three point seven

loss factor zero point zero two

thermal performance rating company test method

long term service temperature

one hundred and thirty ℃

one hundred and forty ℃

hot deformation temperature two hundred and seven ℃

flame retardancy

hb

zero point eight mm

hot deformation temperature two hundred and fifteen ℃

coefficient of linear expansion 2.5e-05 1/℃