GB 12981-2012 Motor vehicle brake fluids (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative References
3 Product varieties and markings
3.1 Product varieties
3.2 Product Markings
4 Requirements and test methods
5 Inspection rules
5.1 Inspection classification and inspection items
5.2 Group batch
5.3 Sampling
5.4 Determining criterion
5.5 Re-inspection rules.
6 Mark, package, transportation and storage
Annex A (Informative) Correspondence between the clause numbers of this standard and ISO 4925:2005
Annex B (Informative) The technical differences between the standard and the ISO 4925:2005 and the reasons
Annex C (Normative) Measurement for wet equilibrum reflux boiling point of brake fluid
Annex D (Normative) Measurement Method for pH Value of Brake Fluid
Annex E (Normative) Test Method for Stability of Brake Fluid
Annex F (Normative) Test Method for Metal Lamination of Brake Fluid
Annex G (Normative) Low-temperature Fluidity and Appearance Inspection Method of Brake Fluid
Annex H (Normative) Evaporation Loss Test Method for Brake Fluid
Annex I (Normative) Water Capacity and Compatibility Test Method of Brake Fluid
Annex J (Normative) Oxygen Resistance Test of Brake Fluid
Annex K (Normative) Rubber Adaptability Test of Brake Fluid
Annex L (Informative) Brake Fluid Stroke Simulation Test Method
Annex M (Informative) Rust Resistance Test Method of Brake Fluid