GB/T 7996-1987
Replaced
GB/T 7991.4-2019
Active
National standards
GB/T 7991.4-2019 Test method of viterous and porcelain enamels—Part 4:Determination of resistance to impact
GB/T 7991.4-2019 Test method of viterous and porcelain enamels—Part 4:Determination of resistance to impact
Basic Information
Standard Code:
GB/T 7991.4-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Non-metallic chemical machinery and equipment
ICS Name:
Enamel
Publish Date:
2019-12-10
Implement Date:
2020-11-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国搪玻璃设备标准化技术委员会(SAC/TC 72)
Pages:
7 pages
Scope
GB/T 7991的本部分规定了搪玻璃层耐机械冲击性能的试验原理、仪器设备、试样、试验步骤、计算公式和试验报告。
本部分适用于搪玻璃平板试样耐机械冲击性能的测定。
Development Information
Drafting Units:
江阴市化工设备厂、靖江方大精密成型技术有限公司、苏州市协力化工设备有限公司、江阴硅普搪瓷股份有限公司、天华化工机械及自动化研究设计院有限公司
Drafting Persons:
徐国平、钱建丰、洪杰、苏婷婷、余献忠、桑临春、肖丽娟
Same series standard
Replace the following standards
Referenced Standards
GB/T 308.1-2013 Rolling bearings—Balls—Part 1:Steel balls
GB/T 7991.5-2014 Test method of viterous and porcelain enamels—Part 5:Determination of thickness by electromagnetic method
GB/T 7991.6-2014 Test method of viterous and porcelain enamels—Part 6:High voltage test
HG/T 3105-2009 Preparation of glazed steel plate test specimens
GB/T 7991.6-2025 Test method of viterous and porcelain enamels—Part 6:High voltage test
Related Standards
GB/T 11418-1989
Active
GB/T 11418-1989 Determination of resistance to heat of vitreous and porcelain enamels
GB/T 11419-1989
Replaced
GB/T 11419-1989 Determination of resistance to thermal shock of vitreous and porcelain enamels
GB/T 11420-1989
Replaced
GB/T 11420-1989 Measurement of specular gloss of vitreous and porcelain enamels
GB/T 13484-1992
Replaced
GB/T 13484-1992 Enamelled ware in contact with food
GB/T 13485-1992
Abolished