GB/T 3780.7-2025
ActiveCarbon black—Part 7：Determination of pH value
炭黑 第7部分：pH值的测定
Application Summary AI generated
This standard specifies the test method for determining the pH value of carbon black, which is a critical parameter affecting the curing rate and processing behavior of rubber compounds. It is applied in the rubber and plastics industries, particularly for quality control of carbon black used as a reinforcing filler in tires, industrial rubber products, and plastic masterbatches. The method is used by manufacturers and testing laboratories to ensure consistent material performance and compatibility with specific polymer systems.
Related Standards
GB/T 7767-2003
Standard terminology relating to carbon black
GB/T 19188-2003
Rubber，raw natural and raw synthetic--General guidance on storage
GB/T 18953-2003
Rubber compounding ingredients--Stearic acid--Definition and test methods
GB/T 18952-2003
Rubber compounding ingredients--Sulfur--Methods of test
GB/T 18951-2003
Rubber compounding ingredients--Zinc oxide--Test methods
GB/T 11175-2002
Testing methods for synthetic resin emulsions
GB/T 17603-1998
Method for outdoor exposure testing of photodegradable plastics
GB/T 2918-1998
Plastics--Standard atmospheres for conditioning and testing
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.