GB/T 7996-1987
Replaced
GB/T 7991.7-2019
Active
National standards
GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7:Determination of coefficient of mean lincar thermal expansion
GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7:Determination of coefficient of mean lincar thermal expansion
Basic Information
Standard Code:
GB/T 7991.7-2019
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:
8 pages
Scope
GB/T 7991的本部分规定了低于转变温度的搪玻璃釉的平均线热膨胀系数的测定方法。
本部分适用于搪玻璃釉平均线热膨胀系数的测定。
Development Information
Drafting Units:
江阴市大成化工设备厂、江苏扬阳化工设备制造有限公司、太仓新工搪玻璃有限公司、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:
陆武君、朱宏志、苏婷婷、沈永其、钱建丰、余献忠、桑临春、肖丽娟
Same series standard
Replace the following standards
Referenced Standards
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