| ASTM D2902 Standard Specification for Fluoropolymer Resin Heat-Shrinkable Tubing for Electrical Insulation
ASTM D2902 电绝缘用含氟聚合物树脂热收缩管的标准规范
This specification applies to flexible fluoropolymer resin heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene (FEP), and from perfluoroalkoxy (PFA) resin for use as electrical insulation. This specification covers three types of tubings, namely: Type I tubing, normally made by paste extrusion, and Type II and Type III tubings, normally made by melt extrusion. The finished compound shall be free of all foreign matter other than intended formulation additives. The material shall conform to the specified chemical and physical property requirements such as: (1) restricted shrinkage, (2) specific gravity, (3) longitudinal change, (4) tensile modulus at elongation, (5) volume resistivity, (6) dielectric breakdown voltage, (7) heat resistance, (8) low-temperature flexibility, and (9) melting point. The dimensional requirements after unrestrictive shrinkage such as inside diameter, wall thickness, and stock lengths are specified. The sampling and test methods to determine conformance to the specified requirements are given.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification applies to flexible heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene, and from perfluoroalkoxy resin for use as electrical insulation.
Note 1
This standard is similar but not identical to IEC 60684-3-240 to -243.
1.2 The values stated in inch-pound units are to be regarded as the standard except temperature which shall be stated in degrees Celsius. Values in parentheses are for information only.
2. Referenced Documents (purchase separately)
ASTM Standards
ASTM C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
ASTM D638 Test Method for Tensile Properties of Plastics
ASTM D1711 Terminology Relating to Electrical Insulation
ASTM D2116 Specification for FEP-Fluorocarbon Molding and Extrusion Materials
ASTM D2671 Test Methods for Heat-Shrinkable Tubing for Electrical Use
ASTM D3307 Specification for Perfluoroalkoxy (PFA)-Fluorocarbon Resin Molding and Extrusion Materials
ASTM D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials
ASTM D4895 Specification for Polytetrafluoroethylene (PTFE) Resin Produced From Dispersion
ASTM E176 Terminology of Fire Standards
IEC Standards
Index Terms
electrical insulation; fluoropolymer resin heat-shrinkable tubing; FEP; heat-shrinkable tubing; PFA fluoropolymer ; PTFE;
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邮箱：info@firete.com
...
ASTM D2902 Standard Specification for Fluoropolymer Resin Heat-Shrinkable Tubing for Electrical Insulation
ASTM D2902 电绝缘用含氟聚合物树脂热收缩管的标准规范
This specification applies to flexible fluoropolymer resin heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene (FEP), and from perfluoroalkoxy (PFA) resin for use as electrical insulation. This specification covers three types of tubings, namely: Type I tubing, normally made by paste extrusion, and Type II and Type III tubings, normally made by melt extrusion. The finished compound shall be free of all foreign matter other than intended formulation additives. The material shall conform to the specified chemical and physical property requirements such as: (1) restricted shrinkage, (2) specific gravity, (3) longitudinal change, (4) tensile modulus at elongation, (5) volume resistivity, (6) dielectric breakdown voltage, (7) heat resistance, (8) low-temperature flexibility, and (9) melting point. The dimensional requirements after unrestrictive shrinkage such as inside diameter, wall thickness, and stock lengths are specified. The sampling and test methods to determine conformance to the specified requirements are given.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification applies to flexible heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene, and from perfluoroalkoxy resin for use as electrical insulation.
Note 1
This standard is similar but not identical to IEC 60684-3-240 to -243.
1.2 The values stated in inch-pound units are to be regarded as the standard except temperature which shall be stated in degrees Celsius. Values in parentheses are for information only.
2. Referenced Documents (purchase separately)
ASTM Standards
ASTM C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
ASTM D638 Test Method for Tensile Properties of Plastics
ASTM D1711 Terminology Relating to Electrical Insulation
ASTM D2116 Specification for FEP-Fluorocarbon Molding and Extrusion Materials
ASTM D2671 Test Methods for Heat-Shrinkable Tubing for Electrical Use
ASTM D3307 Specification for Perfluoroalkoxy (PFA)-Fluorocarbon Resin Molding and Extrusion Materials
ASTM D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials
ASTM D4895 Specification for Polytetrafluoroethylene (PTFE) Resin Produced From Dispersion
ASTM E176 Terminology of Fire Standards
IEC Standards
Index Terms
electrical insulation; fluoropolymer resin heat-shrinkable tubing; FEP; heat-shrinkable tubing; PFA fluoropolymer ; PTFE;
更多防火阻燃测试认证，请咨询中国防火网
电话：400-666-7290
网址：www.firete.com
邮箱：info@firete.com
... |
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