The FRMF mica tape is a composite of mica paper (phlogopite
or synthetic mica) and PE film. The mica tape is reinforced by PE film on one
side and bound together with organosilicon resin. It is mainly used as an
insulation layer for the fire resistant cables. The superior flexibility makes
it the best candidate for winding the fire resistant cable with a small
diameter.
Ⅰ Type
|
Type
|
Mica paper
|
Flame Resistance
|
|
FRMP-F
|
Phlogopite
|
B (750~800oC, 90min)
|
|
FRMS-F
|
Synthetic mica
|
A (950~1000oC, 90min)
|
Ⅱ Material Thickness
|
Material
|
Thickness (mm)
|
Note
|
|
Mica tape
|
0.11, 0.13, 0.15, 0.18
|
|
|
Mica paper
|
0.07, 0.09, 0.11, 0.14
|
Phlogopite or synthetic mica
|
|
Adhesive
|
|
Organosilicon resin
|
|
PE film
|
0.03
|
PE film
|
Ⅲ Main Properties
|
No.
|
Items
|
Unit
|
Properties
|
|
1
|
Thickness
|
mm
|
0.11
|
0.13
|
0.15
|
0.18
|
|
2
|
Thickness Tolerance
|
g/ m2
|
±0.02
|
|
3
|
Weight approx.
|
g/ m2
|
160±20
|
185±20
|
200±20
|
220±20
|
|
4
|
Mica content
|
g/ m2
|
120±15
|
140±20
|
160±20
|
175±20
|
|
5
|
PE film content
|
g/ m2
|
30±2
|
|
6
|
Binder content
|
%
|
10±3
|
|
7
|
Volatile content
|
%
|
<0.8
|
|
8
|
Tensile strength
|
N/cm
|
≥60
|
|
9
|
Dielectric strength
|
Average
|
KV/mm
|
>50
|
|
Minimum
|
40
|
|
10
|
Width
|
mm
|
≥6±0.15
|
|
11
|
Length
|
m
|
(300~1500)+10
|
Ⅳ Packing
1. The mica tape is wound on a paper core. (the diameter of
core is a customer’s option).
2. The tape is sealed with a plastic bag and packed in a
carton box.
3. The name, type, quantity and date of product are marked
clearly on the box.
Note:
This mica tape is wound on the paper core with mica paper
outside and the mica paper should be inside during the winding process for
copper conductor (with PE film outside).
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