GB/T 1690-2006 Translated English of Chinese Standard (GBT 1690-2006, GB/T1690-2006, GBT1690-2006): Rubber, vulcanized or thermoplastic - Determination of the effect of liquidsThis Standard specifies the methods of evaluating the resistance of vulcanized and thermoplastic rubbers to the action of liquids by measurement of properties of the rubbers before and after test in test liquids. The liquids concerned include current service liquids, such as petroleum derivatives, organic solvents, and chemical reagents, etc. |
Contents
3 | |
5 | |
Scope | 6 |
Test device | 7 |
Test liquids | 9 |
Immersion in liquid | 11 |
Test report | 18 |
Appendix A Normative Reference liquid | 19 |
Common terms and phrases
101 service liquid 103 service 2,4-trimethylpentane isooctane aniline point ASTM No.1 calculate the percentage Change in hardness Change in mass change in surface change in volume Composition Volume fraction density diagonal length distilled water effect of liquids equation eqv ISO extractable matter grams g hydrocarbon IMMERSE the test Instrument for measuring interval between vulcanization Liquid Composition Volume mass change mass fraction maximum absorption MEASURE the test median value Methanol method GB/T micrometer dial gauge millimeters mineral oil percentage change Petroleum products PLACE the test point/°C provisions of GB/T reference liquids refractive index SH/T sinker solvent extraction specified in GB/T standard laboratory temperature standard oil Standard simulated liquid surface area Table A.1 tensile strength tensile stress-strain properties test device test piece thickness test report Test results thermoplastic rubber three test pieces Toluene vessel viscosity volume change vulcanization and testing vulcanized or thermoplastic vulcanized rubber WEIGH the mass