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NOMENCLATURE  

COVER GRADES AS PER DIN AND ISO STANDARDS

Grade

Standard

Properties

Breaking strength
(MPa, min.)

Elongation at break
(%, min.)

Abrasion
(mm³, max.)

A
22102:1991 for food transportation      
C
22102:1991 for chemical products      
D ISO 15236:2006   18 400 100
E
22102:1991 with antistatic covers      
F
not assigned anymore      
G
22102:1991 oil and fat resistant      
H ISO 15236:2006   24 450 120
K
22131:1988 with antistatic and flame resistant covers
20
400
200
K ISO 15236:2006 with antistatic and flame resistant covers 15 350 200
L ISO 15236:2006 15 350 200
M
not assigned anymore
250
450
150
N
not assigned anymore
200
400
200
R
22102:1991 cold resistant
S
22102:1991 fire resistant with and without covers, antistatic covers
T
22102:1991 high temperature resistant
V
22109:2000 self-extinguishing
15
350
200
W
22102:1991  
18
400
90
X
22102:1991  
25
450
120
Y
22102:1991  
20
400
150
Z
22102:1991  
15
350
250
Please also see table on US dimensions page for RMA grades.
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