GB/T 6595-1986
Replaced
T/CSRA 8-2021
Active
Group standards
T/CSRA 8-2021 Special material for polypropylene melt-spun masks
T/CSRA 8-2021 Special material for polypropylene melt-spun masks
Price:
$ 20.00
Basic Information
Standard Code:
T/CSRA 8-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Synthetic resins and plastics
ICS Name:
Thermoplastic plastics
Publish Date:
2021-06-30
Implement Date:
2021-09-01
Scope
Main technical content: This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polypropylene meltblown special materials for masks. This document is applicable to polypropylene meltblown special materials for masks, which are mainly made from polypropylene and modified with dibutyl peroxide (DTBP) as a degradation agent
Development Information
Related Standards
GB/T 6598-1986
Active
GB/T 6598-1986 Determination of weight-average molecular weight of polystyrene standards by low angle laser light scattering method
GB/T 6599-1986
abolished_transferred
GB/T 6599-1986 Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography
GB/T 8330-1987
Replaced
GB/T 8330-1987 Method for the determination of true density of ion exchange resins in wet state
GB/T 8331-1987
Replaced
GB/T 8331-1987 Method for the determination of bulk density of ion exchange resins in wet state
GB/T 8324-1987
Replaced