What is BS 5689-2 - Methods to test varnished fabrics about?
BS 5689-2 is a British Standard. BS 5689-2 is a recommendation, one of a series that includes varnished fabrics comprising bases woven from cotton, natural silk, or synthetic fibres (including glass) supplied in the form of full width rolls, sheets, or tapes slit to various widths.
BS 5689-2 provides us methods to test varnished fabrics for electrical purposes.
Who is BS 5689-2 - Methods to test varnished fabrics for?
BS 5689-2 on varnished fabrics is useful for:
- Electrical engineer
- Manufacturer of varnished fabrics
- Manufacturer of heavy electrical equipment
- Manufacturer of electrical appliances
- Power Distribution companies
Why should you use BS 5689-2 - Methods to test varnished fabrics?
Varnished fabrics are used to provide safety from electric shocks from electrical surfaces. Using unverified material may cause damage to property and even human life. BS 5689-2 provides us with method to test varnished fabrics for electrical purposes.
BS 5689-2 provides us with best practice guidelines for test specimen, test aparatus and the procedure for testing varnished fabrics. Tests described in BS 5689-2 are the following:
- Thickness
- Resistance against hydrolysis
- Effect of fabric on oil
- Effect of oil or other liquid on varnished fabric
- Tensile strength and extension
- Internal tearing resistance
- Edge tearing resistance
- Electric strength
- Thermal endurance test
BS 5689-2 can help you to test various properties and use it for inspection as well as selection so that any mishappening can be avoided.
