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Homepage>BS Standards>29 ELECTRICAL ENGINEERING>29.035 Insulating materials>29.035.99 Other insulating materials>BS 633:1970 Specification for cotton selvedge tapes and webbing for electrical purposes
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immediate downloadReleased: 1970-03-31
BS 633:1970 Specification for cotton selvedge tapes and webbing for electrical purposes

BS 633:1970

Specification for cotton selvedge tapes and webbing for electrical purposes

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Standard number:BS 633:1970
Pages:16
Released:1970-03-31
ISBN:0 580 05788 7
Status:Standard
DESCRIPTION

BS 633:1970


This standard BS 633:1970 Specification for cotton selvedge tapes and webbing for electrical purposes is classified in these ICS categories:
  • 29.035.99 Other insulating materials

This British Standard specifies requirements and dimensions for the following classes of unbleached cotton tape and webbing with selvedges:

  • Extra fine insulating tape
  • Fine insulating tape
  • Ordinary (or dynamo) tape
  • Webbing
  • Heavy webbing

The tape may be either scoured or unscoured. Appropriate requirements are given for each variety.


Four classes of unsized material. Weave, width, kind and count of yarn, number of ends and picks per inch, thickness, breaking load, chemical purity, test methods.