Material Specification Nomex MATERIAL:
Nomex material is woven by KE Fibertec Væveri (weaving mill) using NM 60/2 yarns. The Nomex fiber is well-known for its flame resistant properties meaning that it will neither melt, drip nor combust in air. The Nomex material of KE Fibertec is woven in a twill weave using staple fibers to ensure largest possible fabric surface and uniform porosity.
CONSTRUCTION:
Heat-set, shrinkage- and porosity-stabilized material.
Type KE-Datasheet
NO8 33
NO16 16
NO20 17
NO25 18
NO38 19
Standard
Weight (%) -/+5
oz/yd²
8.8
7.4
6.8
6.5
6.2
EN-ISO 5077
Thickness (%) -/+10
mil
17
22
22
22
20
EN-ISO 12127:1997
Porosity at 0.5 inWG
CFM/ft2 Tolerance %
8
16
20
25
38
-9/+9
-14/+14
-9/+9
-8/+8
-5/+5
Tensile strength (%) -/+10
Warp / Weft lbf
337 / 191
348 / 247
348 / 225
360 / 214
360 / 180
EN-ISO 13934-1
Resistance to tearing (%) -/+10
Warp / Weft lbf
38 / 38
27 / 25
27 / 27
31 / 22
34 / 31
EN-ISO 13937:2
N/A
N/A
N/A
N/A
N/A
EN 779:2012 EN-ISO 5077
*Filter class
EN-ISO 9237:1995
**Shrinkage in wash
%
-
-
-
-
-
Operating temperature
°F
+176/-40
+176/-40
+176/-40
+176/-40
+176/-40
Spontaneous ignition temp.
°F
-
-
-
-
-
Water absorption in standard climate
%
5
5
5
5
5
Ohm
≤3 x 108
≤3 x 108
≤3 x 108
≤3 x 108
≤3 x 108
DIN 54345-1
B-S1-d0 N/A
B-S1-d0 N/A
B-S1-d0 N/A
B-S1-d0 N/A
B-S1-d0 N/A
EN-13501 UL2518-AC167
Electrostatic resistance Fire resistance Oeko-Tex®
Approved
Cradle to Cradle®
N/A
*KE measurement
**Washed and dried according to KE Fibertec instructions
This document and all information thereon is the property of KE Fibertec AS. It must not be copied, imparted to a third party or used for any other purpose without the written consent of KE Fibertec AS.
KE Fibertec NA Inc. 4694 Millenium Drive Ste 130 Belcamp MD 21017
Ph: 443 299 6435 info@kefibertec.com www.kefibertec.com
Standard 100
02/2026