GB 6995.1-1986
Replaced
GB/T 2951.21-2008
Active
National standards
GB/T 2951.21-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 21:Methods specific to elastomeric compounds—Ozone resistance, hot set and mineral oil immersion tests
GB/T 2951.21-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 21:Methods specific to elastomeric compounds—Ozone resistance, hot set and mineral oil immersion tests
Basic Information
Standard Code:
GB/T 2951.21-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cables and their accessories
ICS Name:
Wire and cable
Publish Date:
2008-06-26
Implement Date:
2009-04-01
Pages:
9 pages
Scope
GB/T 2951 specifies the test methods for polymer insulation and sheathing materials of power distribution and communication cables and optical cables, including those used on ships and offshore platforms. This part of GB/T 2951 stipulates the ozone resistance test method, heat elongation test method, and mineral oil immersion test method. It is applicable to elastomeric compounds used in wires, cables, and optical cables.
Development Information
Same series standard
GB/T 2951.11-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 11:Methods for general application—Measurement of thickness and overall dimensions—Tests for determining the mechanical properties
GB/T 2951.12-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 12:Methods for general application—Thermal ageing methods
GB/T 2951.13-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 13:Methods for general application—Measurement for determining the density—Water absorption tests—Shrinkage test
GB/T 2951.14-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 14:Methods for general application—Test at low temperature
GB/T 2951.31-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 31:Methods specific to PVC compounds—Pressure test at high temperature—Test for resistance to cracking
GB/T 2951.32-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 32:Methods specific to PVC compounds—Loss of mass test—Thermal stability test
GB/T 2951.41-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 41:Methods specific to polyethylene and polypropylene compounds—Resistance to environmental stress cracking—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in polyethylene by direct combustion—Measurement of carbon black content by thermo gravimetric analysis(TGA)—Assessment of carbon black dispersion in polyethylene using a microscope
GB/T 2951.42-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 42:Methods specific to polyethylene and polypropylene compounds—Tensile strength and elongation at break after conditioning at elevated temperature—Wrapping test after conditioning at elevated temperature—Wrapping test after thermal ageing in air—Measurement of mass increase—Long-term stability test—Test method for copper-catalyzed oxidative degradation
GB/T 2951.51-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 51:Methods specific to filling compounds—Drop point—Separation of oil—Lower temperature brittleness—Total acid number—Absence of corrosive components—Permittivity at 23 ℃—DC resistivity at 23 ℃ and 100 ℃
Replace the following standards
Referenced Standards
GB/T 2951.11-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 11:Methods for general application—Measurement of thickness and overall dimensions—Tests for determining the mechanical properties
GB/T 2951.12-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 12:Methods for general application—Thermal ageing methods
ISO 1817:1999
Adopt standards
IEC 60811-2-1:2001
Related Standards
GB 6995.2-1986
Replaced
GB 6995.2-1986 Markings for electric cables and wires Part 2:Standard colors
GB 6995.3-1986
Replaced
GB 6995.3-1986 Markings for electric cables and wires Part 3:Identifications of cables and wires
GB 6995.4-1986
Replaced
GB 6995.4-1986 Markings for electric cables and wires Part 4:Identifications of insulated conductors of cables and wires for electrical appliances and equipments
GB 6995.5-1986
Replaced
GB 6995.5-1986 Markings for electric cables and wires Part 5:Identifications of insulated cores of power cables
GB/T 12666.1-1990
Abolished