GB/T 14207-1993
Replaced
GB/T 7690.4-2013
Active
National standards
GB/T 7690.4-2013 Reinforcements—Test method for yarns—Part 4:Determination of stiffness
GB/T 7690.4-2013 Reinforcements—Test method for yarns—Part 4:Determination of stiffness
Basic Information
Standard Code:
GB/T 7690.4-2013
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fiberglass
ICS Name:
Textile glass fiber materials
Publish Date:
2013-09-18
Implement Date:
2014-06-01
Pages:
5 pages
Scope
This part of GB/T 7690 specifies the method for determining the stiffness of untwisted rovings.
This method is applicable to all types of reinforcing materials made of untwisted rovings, but not to those with twisted structures.
Development Information
Same series standard
GB/T 7690.1-2013 Reinforcements—Test method for yarns—Part 1:Determination of linear density
GB/T 7690.2-2013 Reinforcements—Test method for yarns—Part 2:Determination of twist
GB/T 7690.3-2013 Reinforcements—Test method for yarns—Part 3:Determination of breaking force and breaking elongation for glass fibre
GB/T 7690.5-2013 Reinforcements—Test method for yarns—Part 5:Determination of fiber diameter for glass fiber
GB/T 7690.6-2013 Reinforcements—Test method for yarns—Part 6:Determination of twist balance index
Replace the following standards
Referenced Standards
ISO 291
Adopt standards
ISO 3375:2009
Related Standards
GB/T 14208-1993
Replaced
GB/T 14208-1993 Textile glass—Rovings—Determination of flexural strength of rod composites
GB/T 18369-2001
Replaced
GB/T 18369-2001 Glass fiber roving
GB/T 18370-2001
Replaced
GB/T 18370-2001 Glass fibre woven roving
GB/T 18371-2001
Replaced
GB/T 18371-2001 Glass filament yarn
GB/T 18372-2001
Replaced