ONORM EN ISO 13000-1 : 2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PLASTICS - POLYTETRAFLUOROETHYLENE (PTFE) SEMI-FINISHED PRODUCTS - PART 1: REQUIREMENTS AND DESIGNATION
11-15-2021
01-12-2013
1 Scope
2 Normative references
3 Terminology
4 Requirements for PTFE semi-finished products
4.1 General
4.2 Dimensions and dimensional tolerances
4.2.1 Skived tape, skived sheet, and film
4.2.2 Moulded sheet
4.2.3 Extruded or moulded rods
4.2.4 Thin-walled tube extruded from coagulated
dispersion powder
4.2.5 Extruded and moulded tubes
4.3 Tensile strength and percentage elongation at
break
4.4 Dimensional stability
4.5 Density
4.6 Hardness
4.7 Colour
4.8 Dielectric strength (DS), breakdown voltage and
electrical flaws
4.8.1 Skived tape, skived sheet and film
4.8.2 Moulded sheet
4.8.3 Moulded basic shape
4.8.4 Rod
4.8.5 Thin-walled tube
4.8.6 Heavy-walled tube
4.9 Requirements that may be specified depending on
the specific application
5 Format for presenting a specification
5.1 Order of presenting codes
5.2 Examples of coding a specification
Annex A (informative) Standard specifications for semi-finished
products of polytetrafluoroethylene
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