GB/T 2490-2003
Bonded abrasive products--Hardness grade measurement by sand blasting
Be replaced
2007-11
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Std.
GB/T 2490-2003
Standard No.
GB/T 2490-2003
Language
Chinese
Release Date
2003
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Replace By
GB/T 2490-2007
Lastest
GB/T 2490-2018
Scope
This standard specifies the method for testing the hardness of abrasive tools by sandblasting hardness machine. This standard is applicable to ordinary abrasive tools with vitrified bond and resin bond and abrasive particle size of F36-F150.
GB/T 2490-2003 history
2018
GB/T 2490-2018
Bonded abrasive products.Hardness grade measurement
2007
GB/T 2490-2007
Bonded abrasive products.Hardness grade measurement
2003
GB/T 2490-2003
Bonded abrasive products--Hardness grade measurement by sand blasting
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