GB 21746-2008
Active
GB 21749-2008
Active
National standards
force_standard
GB 21749-2008 Safety requirements for the educational equipment—Vitreous equipment and attachments
GB 21749-2008 Safety requirements for the educational equipment—Vitreous equipment and attachments
Basic Information
Standard Code:
GB 21749-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
yes
CCS Name:
\nTeaching dedicated instruments
ICS Name:
Education
Publish Date:
2008-05-05
Implement Date:
2008-08-01
Pages:
31 pages
Scope
This standard specifies the safety requirements and usage safety requirements for teaching instruments and equipment and connecting components mainly made of glass. This standard applies to teaching instruments and equipment and connecting components mainly made of glass used in schools. This standard only addresses the safety of glass instruments and connecting components, and does not cover other characteristics such as design and features beyond safety. This standard does not apply to glass medical instruments in medical institutions.
Development Information
Referenced Standards
GB/T 5137.1-2002 Test methods of safety glazing materials used on road vehicles Part 1:mechanical properties tests
GB/T 6552-1986 Standard test method for impact resistance of glass containers
GB/T 6580-1997 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification
GB/T 6582-1997 Glass—Hydrolytic resistance of glass grains at 98℃—Method of test and classification
GB/T 12806-1991 Laboratory glassware—One-mark volumetric flasks
GB/T 15728-1995 Glass—Resistance to attack by a boiling hydrochloric acid—gravimetric method of test and classification
GB/T 18144-2000 Test method for measurement of stress in glass
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 1408.1-1999 Methods of test for electric strength of solid insulating materials-Tests at power frequencies
GB/T 1408.1-2006 Electrical strength of insulating materials—Test methods—Part 1:Tests at power frequencies
GB/T 1408.1-2016 Insulating materials—Test methods for electric strength—Part 1:Test at power frequencies
GB/T 4545-1984 Glass containers—strees examination—method of test
GB/T 4545-2007 Test methods for stress examination of glass containers
GB/T 4547-1991 Glass containers—Thermal shock resistance and thermal shock endurance—Test methods
GB/T 4547-2007 Glass containers—Test methods of the thermal shock resistance and thermal shock endurance
GB/T 10701-1989 Test methods for thermal stability of silica glass
GB/T 10701-2008 Test methods for thermal stability of silica glass
GB/T 15726-1995 Glassware—stress examination methods
GB/T 15726-2021 Glassware—Stress examination methods
GB/T 16920-1997 Glass—Determination of coefficient of mean linear thermal expansion
GB/T 16920-2015 Glass—Determination of coefficient of mean linear thermal expansion
Related Standards
GB 21748-2008
Active
GB 21748-2008 Safety requirements for the educational equipment—Basic requirements for equipment and spare parts
GB/T 21747-2008
Active
GB/T 21747-2008 Educational laboratory equipment—Safety requirements and test methods for laboratory workbenches
GB/T 26996-2011
Active
GB/T 26996-2011 Learning services for non-formal education and training—Basic requirements for service providers
GB/T 26997-2011
Active
GB/T 26997-2011 Learning services for non-formal education and training—Terminology
GB/T 28913-2012
Active