GB/T 11409.4-1989
Replaced
GB/T 13021-1991
Replaced
National standards
GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis
GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis
Basic Information
Standard Code:
GB/T 13021-1991
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Plastic profiles
ICS Name:
Rubber synthetic ingredients
Publish Date:
1991-07-03
Implement Date:
1992-04-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
The Plastics Processing Application Science Research Institute of the Ministry of Light Industry
Pages:
8 pages
Development Information
Drafting Units:
Jilin Plastics Research Institute
Drafting Persons:
Ma Yunwu, Liu Yuexian, and Sun Jing
Superseded by the following standards
Adopt standards
ISO 6964-86
Related Standards
GB/T 11409.5-1989
Replaced
GB/T 11409.5-1989 Test method of residue on sieve for rubber antiagers and vulcanizing accelerators
GB/T 11409.7-1989
Replaced
GB/T 11409.7-1989 Test method of ash for rubber antiagers and vulcanizing accelerators
GB/T 11409.8-1989
Replaced
GB/T 11409.8-1989 Test method of viscosity for rubber antiagers and vulcanizing accelerators—Rotational viscometer method
GB/T 12827-1991
Replaced
GB/T 12827-1991 Standard reference acetylene black and standard practice for evaluation
GB/T 3781.4-1993
Replaced