Respirex International

Butyl

A double faced Polyester fabric with a coating of olive Bromobutyl on both sides. (Reusable Suit Fabric).

Specification:

Total Weight: 325g/m² 

Tested in accordance with

Performance requirement

Level of performance

Class

EN 530:1994 Meth 2
(inc. pressure drop)

Abrasion Resistance

>2000 Cycles

6

ISO 5978:1990

Stability to Heat

No Blocking

2

Method B of EN ISO 7854:1995
(inc. pressure drop)

Flex Cracking Resistance

Machine direction >100,000 Cycles, Cross direction >40,000 Cycles

6
5

EN 863:1995

Puncture Resistance

70.4 N

3

ISO 4674:1977 method A1

Tear Resistance

Warp 97.0 N, 
Weft 68.9 N

4
3

EN ISO 9073-4:1989

Trapezoidal Tear Resistance

Machine direction 46.5 N, 
Cross direction 52.8 N

3

EN ISO 13934-1:1999

Tensile Strength

Machine direction 1048.3 N, 
Cross direction 921.7 N

5

EN ISO 2411:2000

Coating Adhesion Strength

>549 N/m

3

EN 374-3:2003

Permeation Resistance when tested against 98% Sulphuric acid*

Mean breakthrough time 438 minutes

5

EN 1146:1997 clause 6.11.3

Flammability

No part ignited or continued to burn on removal from the flame

Pass

ISO 5082:1982 Annex A2

Seam Strength

>300 N

5

The samples submitted were tested in accordance with clauses 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 4.10&5.2 of EN466 : 1995 and clauses B.2.6 & B.2.8 of EN943-1:2002.

BS/A00027/D/04