Respirex International

Tychem® TK

DuPont™ Tychem® TK is a seven-layer non woven chemical barrier fabric. (Limited Life Suit Fabric)

Specification:

DuPont™ Tychem®TK chemical barrier material consists of a high strength, high tear resistant, 100% nonwoven poly- ester staple fabric sandwiched between two proprietary non-halogenated barrier films. One side is coloured high visibility green and the opposite side is coloured white. Tychem®TK is used for the manufacture of limited-use suits only.

Basis Weight : 305g/m2 Thickness : 0.72mm

Tested in Accordance with

Property

Level of Performance

Performance Class Required for EN943-2:2002

Performance Class Achieved

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

Abrasion resistance

>2,000 cycles

4

6

EN ISO 7854:1997 Method B
(inc. pressure drop)

Flex cracking resistance

MD >1,000 cycles

CD >1,000 cycles

1

1

EN ISO 9073-4:1989

Trapezoidal tear resistance

MD 164.4 N
CD 215.3 N

3

5

EN 863:1995

Puncture resistance

49N

2

2

EN ISO 13934-1:1999

Tensile strength

MD 519.6 N
CD 482.9 N

4

4

EN 13274-4:2001 Meth 3 

Resistance to flame

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

1

1

EN 374-3:1994

Permeation Resistance when tested against 96.8% Sulphuric acid*

Mean Breakthrough Time, >480 min

1

6

ISO 5082:1982 Annex A2

Seam Strength

> 607 N

5

5

The samples submitted were tested in accordance with clauses B.2.3, B.2.4, B.2.6, B.2.8, B.2.9, B.2.10, B.2.14 & B.3.5 of EN943-1:2002

DuPont™ and Tychem® TK are trademarks or registered trademarks of E.I. du Pont de Nemours and Company.