In April 2017 our new flame retardant fabric Madeira-320 AS has being successfully tested to EN ISO 1149-5 (Protective clothing. Electrostatic properties. Material performance and design requirements).
Madeira-320 AS is an Antistatic version of our best-selling Madeira-320 pure cotton flame-retardant fabric.
It’s a protective fabric made with antistatic yarn (1%) and cotton (99%).
EN 1149-5 is European standard for garments that protect against electrostatic discharge where there is a risk of explosion e.g. in oil refineries.
It is part of a series of standards for test methods and requirements for electrostatic properties of protective clothing.
According to the Standard the charge decay value should be no more than 4 seconds according to test method EN 1149-3. It means that antistatic fabric should loose its electrostatic charge in less than 4.s
EN 1143-3 is a test method, that uses induction charging to evaluate how fast a fabric discharge, i.e. looses its electrostatic charge via air.
|t50< 4 s or S > 0,2|
| t50 = Decay half time
S = Shielding factor
Madeira-320 AS passed the test with the following average result for
- S = 0,61 – Shielding factor
- t50 = < 0,01 – Decay half time
When testing Madeira-320 fabric is dissipated (lost) its electrostatic charge in just 0,01 second. So it’s 400 times better, than EN 1149-5 requires.
You can find additional information on the Madeira-320 AS product page.