GB/T 12000-1989
Replaced
GB/T 5473-2016
Active
National standards
GB/T 5473-2016 Plastics—Phenol formaldehyde mouldings—Detection of free ammonia
GB/T 5473-2016 Plastics—Phenol formaldehyde mouldings—Detection of free ammonia
Basic Information
Standard Code:
GB/T 5473-2016
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for synthetic resins and plastics
ICS Name:
Plastic Composite
Publish Date:
2016-06-14
Implement Date:
2017-01-01
Pages:
4 pages
Scope
This standard specifies a qualitative method for determining the presence of free ammonia or other volatile alkalis in phenolic molded products by placing the test paper in the gas emitted from the powder sample. This standard is also applicable to the determination of ammonia-free phenolic molded products.
Development Information
Replace the following standards
Adopt standards
ISO 172:1978
Related Standards
GB/T 15585-1995
Abolished
GB/T 15585-1995 Determination of shrinkage for injection moulding thermoplastics
GB/T 15596-1995
Replaced
GB/T 15596-1995 Plastics—Determination of changes in Color and variations in properties after exposure to daylight under glass, natural weathering or artificial light
GB/T 15598-1995
abolished_transferred
GB/T 15598-1995 Testing methods for shear strength of plastics by punch tool
GB/T 1843-1996
Replaced
GB/T 1843-1996 Plastics—Determination of izod impact strength
GB/T 2035-1996
Replaced