Warning: although this product is non-flammable, it has irritant effect on human body and eyes; the skin touched with this product shall be washed with clear water immediately; this product has the erosion effect on paint.
1 Scope
This Standard specifies the requirements, test methods, inspection rules, marking, packing, transport and storage of nonpetroleum base brake fluid of hydraulic braking and hydraulic clutch system for motor vehicle.
This Standard is applicable to the motor vehicle brake fluids which are contacted with the sealing element made of styrene butadiene rubber (SBR) or ethylene propylene diene monomer (EPDM) and are added diversified additives and whose foundation fluid is nonpetroleum base raw material.
This standard is not applicable to the motor vehicle brake fluids used under the environmental conditions of polar region.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 265 Petroleum Products - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity
GB/T 514 Liquid in Glass Thermometers for Petroleum Products - Specification
GB/T 710 Hot-rolled Quality Carbon Structural Steel Sheets and Strips
GB/T 2520 Cold-reduced Electrolytic Tinplate
GB/T 3190 Wrought Aluminium and Aluminium Alloys - Chemical Composition Limits (ISO 209:2007(E), MOD)
GB/T 4756 Petroleum Liquids--Manual Sampling (ISO 3170: 1988, EQV)
GB/T 5231 Wrought Copper and Copper Alloys Chemical Composition Limits and Forms of Wrought Products
GB/T 5345 Road Vehicles - Labelling of Containers for Petroleum-based or Non- petroleum-Based Brake Fluid
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values
GB/T 8926 Used Lubricating Oils-Determination of Insolubles
GB/T 9439 Grey Iron Castings (ISO 185:2005, MOD)
GB/T 10586 Specifications for Damp Heat Chambers
GB/T 11158 Specifications for High Temperature Test Chambers
GB/T 13818 Die Casting Zinc Alloys
HG 2865 Hydraulic Brake Rubber Cups for Automobiles
QC/T 77 Automobile Hydraulic Wheel Cylinder Technical Conditions
QC/T 311 Performance Requirements and Bench Test Methods of Automobile Brake Master Cylinder
SH/T 0086 Determination Method for Water Content in Concentrated Solution of Engine Coolant (Karl Fischer Method)
SH 0164 Rules for the Packing, Storage, Transportation and Inspection upon Delivery of Petroleum Products
SH/T 0430 Determination Method for Equilibrium Reflux Boiling Point of Brake Fluids
Content
Foreword I
1 Scope 1
2 Normative References 1
3 Product Varieties and Mark 2
3.1 Product Varieties 2
3.2 Product Marks 2
4 Requirements and Test Method 3
5 Inspection Rules 5
5.1 Inspection types and test items 5
5.2 Batching 5
5.3 Sampling 5
5.4 Determination rules 5
5.5 Retest rules 6
6 Mark, Package, Transport and Storage 6
Appendix A (Informative) Comparison List of the Chapter and Article Numbers between this Standard and ISO 4925: 2005 7
Appendix B (Informative) List of Technical Differences and the Causes between this Standard and ISO 4925: 2005 9
Appendix C (Normative) Determination Method for Wet Equilibrium Reflux Boiling Point of Brake Fluid 10
Appendix D (Normative) Determination Method for Ph Value of Brake Fluid 13
Appendix E (Normative) Test Method for the Fluid Stability of Brake Fluid 15
Appendix F (Normative) Test Method of Metal Lamination Corrosion of Brake Fluid 17
Appendix G (Normative) Low Temperature Flowability and Appearance Inspection Method of Brake Fluids 23
Appendix H (Normative) Test Method of Evaporation Loss of Brake Fluids 25
Appendix I (Normative) Test Method of Containing Water Ability and Compatibility of Brake Fluids 28
Appendix J (Normative) Test Method of Anti-Oxygen Property of Brake Fluids 31
Appendix K (Normative) Test Method of Rubber Adaptability of Brake Fluids 34
Appendix L (Informative) Simulation Test Method of Brake Fluid Travel 37
Appendix M (informative) Test Method of Anti-Rust Property of Brake Fluids 43
