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Mica Tape for Fire Resistant Cables with PE Film on One Side (FRMF)

 

        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.

 

         Type 

Type

Mica paper

Flame Resistance

FRMP-F

Phlogopite 

B (750~800oC, 90min)

FRMS-F

Synthetic mica 

A (950~1000oC, 90min)

 

            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

 

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

 

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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