Material Specification MultiWeave MATERIAL:
Multi-purpose polyester material woven at KE Fibertec’s textile mill. The MultiWeave materials are woven in a plain weave that combined with the heavyduty ”High Tenacity fibers” creates a strong, even and wear-resistant fabric surface. The MultiWeave material has been approved for clean room applications, ISO class 4 acc. to ISO 14644-1.
CONSTRUCTION:
Heat-set, shrinkage- and porosity-stabilized material.
Type KE-Datasheet
MW1 40
MW2 41
MW4 43
MW18 44
MW33 45
Weight (%) -/+5
oz/yd²
8.3
8.2
8.0
6.8
6.8
EN-ISO 5077
Thickness (%) -/+10
mil
20
20
16
16
17
EN-ISO 12127:1997
Porosity at 0.5 inWG
CFM/ft2 Tolerance %
1
2
4
18
33
-25/+25
-30/+8
-20/+25
-6/+15
-6/+15
Tensile strength (%) -/+10
Warp / Weft lbf
528 / 337
506 / 326
540 / 382
517 / 315
540 / 281
EN-ISO 13934-1
Resistance to tearing (%) -/+10
Warp / Weft lbf
34 / 29
34 / 29
34 / 25
45 / 36
47 / 40
EN-ISO 13937:2
G2
G2
G2
G2
G2
EN 779:2012 EN-ISO 5077
*Filter class
EN-ISO 9237:1995
**Shrinkage in wash
%
<0.5
<0.5
<0.5
<0.5
<0.5
Operating temperature
°F
+140/-49
+140/-49
+140/-49
+140/-49
+140/-49
Spontaneous ignition temp.
°F
946
946
946
946
946
Water absorption in standard climate
%
0.4
0.4
0.4
0.4
0.4
Ohm
≤2 x 1010
≤2 x 1010
≤2 x 1010
≤2 x 1010
≤2 x 1010
DIN 54345-1
B-S1-d0 Yes
B-S1-d0 Yes
B-S1-d0 Yes
B-S1-d0 Yes
B-S1-d0 Yes
EN-13501 UL2518-AC167
Electrostatic resistance Fire resistance Oeko-Tex®
Approved
Cradle to Cradle®
*KE measurement
Standard 100
The MultiWeave material is Cradle to Cradle certified
**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
03/2026