This involves interactions between a business and its customers. It's about meeting customers' needs and resolving their problems. Effective customer service is crucial.
This involves interactions between a business and its customers. It's about meeting customers' needs and resolving their problems. Effective customer service is crucial.
Widely used in various types of protective helmets, blister toys, packaging boxes, etc. It has a variety of colors, resistance to pressure and impact, good toughness, excellent heat and weather resistance, dimensional stability, and impact resistance. It can customize and develop various colors and surface textures according to customer needs.
|
Characteristics |
Test method |
Unit |
Test value |
|
physics |
|||
|
proportion |
ISO 1183 |
g/cm3 |
≥ 1.2 |
|
average water absorption rate |
ASTM D570 |
% |
≤ 0.35 |
|
mechanical |
|||
|
tensile strength |
ISO527 |
Mpa |
Transverse ≥ 55 |
|
tensile modulus |
ISO527 |
Mpa |
≥ 2200 |
|
bending strength |
ISO178 |
Mpa |
≥ 80 |
|
|
GB/T 1040.3 |
% |
≥ 90 |
|
temperature resistance |
|||
|
vicat softening point |
ISO306 |
℃ |
≥ 140 |
|
coefficient of thermal expansion |
ISO11359 |
/℃ |
≥ 6.5*10-5 |
|
electrical |
|||
|
dielectric constant |
IEC60250 |
-- |
≥ 3.0 |
|
withstand voltage test |
IEC60243 (DC) |
KV/mm |
≥ 30 |
|
volume resistivity |
IEC60093 |
Ω.cm |
≥ 1014 |
|
surface resistivity |
IEC60093 |
Ω |
≥ 1015 |
