IEC 60684-3-216:2019 is available as IEC 60684-3-216:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60684-3-216: 2019 gives the requirements for four types of heat-shrinkable, flame-retarded, limited-fire-hazard sleeving with a thermal endurance rating of 105 °C as shown below.
Class A: thin wall shrink ratio 2:1 internal diameter up to 102,0 mm
Class B: medium wall shrink ratio 2:1 internal diameter up to 60,0 mm
Class C: thick wall shrink ratio 2:1 internal diameter up to 51,0 mm
Class D: medium wall shrink ratio 3:1 internal diameter up to 40,0 mm
These sleevings are normally supplied in the following colours: black, red, green, blue, white, yellow and green/yellow. Sizes or colours other than those listed in this document are available as custom items. These items are considered to comply with this document if they comply with the property requirements listed in Tables 5, 6, 7 and 8, excluding dimensions and mass. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application will be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This second edition cancels and replaces the first edition published in 2001, Amendment 1:2005 and Amendment 2:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
1. the temperature at which the sleeving is shrunk in a forced-air circulation oven for (5 ± 1) min has been increased from (150 ± 5) °C to (200 ± 5) °C.
Keywords: flexible insulating sleeving for electrical purposes
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EN 60684-1:2003 Flexible insulating sleeving - Part 1: Definitions and general requirements
EN 60684-2:2011 Flexible insulating sleeving - Part 2: Methods of test
EN ISO 846:2019 Plastics - Evaluation of the action of microorganisms (ISO 846:2019)
EN 60684-1:2003 Flexible insulating sleeving - Part 1: Definitions and general requirements
EN 60684-2:2011 Flexible insulating sleeving - Part 2: Methods of test
EN ISO 846:2019 Plastics - Evaluation of the action of microorganisms (ISO 846:2019)
HD 457 S1:1985 Code for designation of colours
ISO 1817:2015 Rubber, vulcanized or thermoplastic -- Determination of the effect of liquids