Casico FR4820 is a thermoplastic, low smoke zero halogen (LSZH) flame retardant, UV stabilised, natural insulation compound combining with excellent extrusion properties.

It is based on the novel technology, Casico, containing inorganic filler and a novel char-forming additive which confer flame retardancy with very limited smoke generation.

Applications
Casico FR4820 is designed for:

• 70°C rated insulation for building wires (installation cables),

• flexible cords, power cables

It can be used in areas sensitive to smoke or corrosive and toxic combustion products. Casico FR4820 is stabilised for use in contact with copper.

Specifications
Casico FR4820 meets the applicable requirements below using sound commercial extrusion practice and testing procedures:

• ASTM D 1248 Type I, Class A, Category 4 ISO 1872-PE KGHN-23D006

The following cable material standards are met by Casico FR4820:

• EN 50290-2-26

• EN 50363-7 TI6 & TI7

• VDE 0207 Teil 23 (HM2)

Special features
Casico FR4820 consists of specially selected components to offer:

• Low smoke and reduced toxic or corrosive gas emissions

• Excellent processing properties

• Superb system ageing compatibility

• Low water permeability

• UV stabilised and suitable for colouring

• Processability on most PVC/PE extrusion equipment

• No need for pre-drying normally