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News

Tougher, flame retardant wire and cable jacketing

Borealis A/S : 26 April, 2004  (New Product)
Borealis has extended its Casico product range foro the global wire and cable industry with FR4805. This new stronger, flame retardant jacketing compound is designed to make cable installations more resistant to penetration and cut-through.
Small diameter cables risk penetration or cut-through because of their thin jacket and insulation. Very large cables are vulnerable due to the mass of the cable itself and its high weight/surface area. To help solve this problem, Borealis has developed Casico FR4805 combining high physical strength with halogen-free flame retardancy. The enhanced physical properties will also enable down gauging.

Casico FR4805 is intended to be used as a 90C rated jacketing compound for fixed building wires (installation cables) and a wide range of power cable. It can be used in areas sensitive to smoke and/or corrosive and toxic combustion products. For most cable constructions, it provides sufficient flame retardancy to satisfy single wire vertical burning tests. In addition it contains a stabilisation system to provide the necessary protection in UV-exposed applications.

The new compound can also be used as a strong, flame retardant, low smoke jacket for 6500kV power cables. Its high operating temperatures, abrasion resistance and hardness make it an attractive durable solution for cables installed in tunnels and ducts. Coloured jackets can be manufactured by the addition of colour master batches. Large MV/HV energy cables sheathed with Casico FR4805 will normally meet bunched vertical fire tests.
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