Cover Type
|
Standards
|
Minimum Tensile Strength (Mpa)
|
Minimum Elongation (%)
|
Abrasion
|
Material Cover
|
Fire Resistant
|
SANS-F
|
17
|
350
|
180
|
Material with fire hazards, e.g. Coal
|
IS-1891(FR Grade)
|
17
|
350
|
200
|
||
ISO-340(FR Grade)
|
17
|
350
|
180
|
||
AS-F(FR Grade)
|
14
|
300
|
200
|
||
AS-1332(FR Grade)
|
14
|
300
|
200
|
||
DIN S Grade
|
17
|
350
|
180
|
||
DIN K Grade
|
17
|
400
|
200
|
||
MSHA-FR
|
17
|
350
|
200
|
||
CAN/CSA(FR Grade)
|
17
|
350
|
200
|
Item
|
Flame retardant grades
|
|
K2
|
K3
|
|
Duration
|
The total duration of flame of 6 test pieces with covers is less than 45s, any individual test piece does not exceed 15s
|
Average value of duration of flame of 3 test pieces with covers does not exceed 60s
|
Anti-static property
|
≤ 3 x 108Ω
|
|
Reappearance
|
There should be no reappearance of flame on any test pieces
|