GB/T 12000-1989
Replaced
GB/T 9639.1-2008
Active
National standards
GB/T 9639.1-2008 Plastics film and sheeting—Determination of impact resistance by the free-falling dart methord—Part 1:Staircase methord
GB/T 9639.1-2008 Plastics film and sheeting—Determination of impact resistance by the free-falling dart methord—Part 1:Staircase methord
Basic Information
Standard Code:
GB/T 9639.1-2008
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:
2008-08-19
Implement Date:
2009-05-01
Pages:
8 pages
Scope
1.1GB/T 9639 specifies the energy required to cause 50% damage to plastic film and sheet samples under free-fall impact at a given height. The damage is expressed in terms of the mass of the impacted sample. This part applies to plastic films and sheets with a thickness of less than 1 mm.
Development Information
Replace the following standards
GB/T 9639-1988
Referenced Standards
GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing
GB/T 6672-2001 Plastics film and sheeting—Determination of thickness by mechanical scanning
GB/T 20220-2006 Plastics—Film and sheeting—Determination of average thickness of a sample, and average thickness and yield of a roll, by gravimetric techniques(gravimetric thickness)
Adopt standards
ISO 7765-1:1988
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