Production process of new type fireproof cable

amiao
2 min readApr 13, 2023

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MV ABC cable

High temperature resistant fireproof cable, comparable to mineral insulated cables, adopts the manufacturing structure: copper conductor + inorganic tape wrapping + copper tape longitudinal wrap welding + sheath.
Fire-resistant cable Class A: It can withstand burning in the flame of 950–1000 ℃ and under the rated voltage, and can keep the cable working normally for at least 90 minutes. The tape used is two layers, and the inner mica tape is made of fire-resistant silicone single-sided glass phlogopite Tape, the mica tape uses organic silicon as the adhesive to stick to the mica paper, one side uses alkali-free glass cloth as the reinforcing material, and is a strip-shaped fire-resistant mica tape that is glued, conformed, baked, and cut. Has good flexibility.

The mica tape on the outer layer is made of silicone double-sided glass phlogopite tape. The mica tape uses silicone as the adhesive and sticks the mica paper on both sides, and uses alkali-free glass cloth as the reinforcing material. After gluing, conforming, baking, Strip-shaped refractory mica tape made by cutting. It also has good flexibility under normal conditions. It has high mechanical strength, high temperature resistance level, and is not easy to wrinkle when wrapped. It has good process operability.

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amiao
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