our service covers natural rubber and synthetic rubber in the fields of vehicles, buildings, electronic and electrical equipment, including rubber shoes, rubber belts, raincoats, hot-water bags, erasers, gums, sponge rubber from ping-pong bats and toys.
for plastic materials
test item | content | standard |
mechanical testing | - hardness
- tensile
- shear
- compressive
- flexural
- impact
- friction and wear
| gb/t 1039 gb 1040 gb/t_1041 gb/t 1043 gb/t 14153 gb/t 14484 gb/t 14485 gb/t 15047 gb/t 15048 gb/t 12027 gb/t 2013525 gb/t 11999 gb/t 10808 | gb/t 11546 gb/t 11548 gb 9641 gb/t 9647 gb 10006 gb 8812 gb 88138 gb/t 9341 gb/t 8805 gb/t 8324 gb/t 6671 gb 6344 gb/t 5478 | gb-t 3960 gb 3354 gb 3355 gb 3356 gb/t 1843 gb-t 15598 |
flammability testing | - vertical burning
- horizontal burning
- fogging
| gb/t 9638 gb/t 8924 gb/t 9343 gb/t8332 gb/t 8333 | gb 8323 gb/t 6011 gb 2408 gb/t 4610 gb/t 2406 | gb/t 6011 gb 2408 |
thermal testing | - thermostability
- liquidity
- heat conductivity
- glass-transition temperature
- brittle temperature
- strength loss temperature
| gb 1036 gb/t 11998 gb 9643 gb/t 8802 | gb/t 5470 gb/t 3399 gb 3862 gb/t 2572 | gb/t 1633 gb/t 1634 gb/t 15585 |
weathering testing | - aging
- liquid
- temperature impact
| gb/t 12000 gb/t 11547 gb 9646 gb/t 9344 gb/t 8803 | gb/t 7141 gb/t 7142 gb/t 3857 gb/t 3681 gb/t 2573 | gb 2574 gb/t 15595 gb/t 15596 |
electrical testing | - surface resistor and resistivity
| astm d257; iec 60093 |
- volumeresistor and resistivity
| astm d257; iec 60093 |
| astm d149; iec 60243; gb/t 1408.1 |
| astm d149; iec 60243; gb/t 1408.1 |
| astm d149; iec 60243 |
- static electricity performance
| astm f150; esd-s7.1; en100015; din 91953 |
other | - ventilation
- moisture-penetrability
- surface roughness
- specular glossiness
- ash content in resin
- water content in resin
- volatility
- setting time of thermoset
- optical performance
| |
for rubber materials
test item | content | standard |
mechanical testing | - strength
- tensile
- shear
- compressive
- flexural
- impact
- friction and wear
| gb 2941 gb/t 528 gb/t 529 gb/t 1681 gb/t 1683 gb 1684 | gb/t 9867 gb/t 1700 gb/t 1701 gb/t 11208 gb 1697 gbt 7757 | gbt12829 ... |
flammability testing | - vertical burning
- horizontal burning
- fogging
- limiting oxygen index (loi)
- flame spread rate
- flash point
- flammability
| gb/t 2406 gb/t 2408 astm e84 astm e662 astm e162 astm d1929 iso 9773 | bs 5852 bs 746 ul 94 5va ul 94 5 vb v0, v1, v2 ul 1581 ca 117 tb 603 | ansi/nfpa 701 nfpa 258, 259 1997 ubc 8-2 1997 ubc 26-1 1997 ubc 26-3 1997 ubc 26-6 ie c60695 en 71 |
adhesion testing | - tensile and share strength
- peeling strength
- pull strength
- adhesive strength
| gb/t 2942 gb/t 532 gb/t 3513 gb/t 11211 gb/t 7761 | gb/t 18946 gb11211 gb/t 12830 | |
weathering testing | - aging
- liquid
- temperature impact
| gb 15256 gb/t 1690 gb 1691 gb/t 1699 gb/t 3511 gb/t 3512 gb/t 6034 | gb/t 6035 gb/t 6036 gb/t 6037 gb/t 24135 gb/t 7758 gb/t 7762 gb 9871 | gb/t 11206 gb/t 12584 gb/t 12831 gb/t 16585 gb/t 13642 ...... |
electrical testing | - surface resistor and resistivity
| astm d257; iec 60093 |
- volumeresistor and resistivity
| astm d257; iec 60093 |
| astm d149; iec 60243; gb/t 1408.1 |
| astm d149; iec 60243; gb/t 1408.1 |
| astm d149; iec 60243 |
- static electricity performance
| astm f150; esd-s7.1; en100015; din 91953 |
other | - heat conductivity
- vapour transmission
- swelling index
- metals, sulfur and polymers
| |
c&k testing can provide professional analytical services for rubber and plastic components as per standards of different countries and regions. besides, we can render you one-stop solutions integrating consulting, testing and certification. please feel free to contact if any question.