Visico™ FR4450 / LE4433
FR4450/LE4433 is a black, zero halogen, moisture-induced crosslinking polyethylene compound that is designed for use as low voltage wire insulation and jacketing. The combination of a VISICO FR4450 base resin, and the LE4433 catalyst, provides a highly scorch retardant compound with excellent thermal stability and good flame retardant properties. FR4450/LE4433 contains a patented scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound and minimizes the tendency for premature crosslinking in the extruder, head or die.
A finished compound that is composed of 93 parts of FR4450 mixed with 7 parts of LE4433 is recognized by Underwriters Laboratories as VISICO FR4450/LE4433 93/7. FR4450/LE4433 is designed to reduce normal PE flame spread characteristics and achieve an HB-1 flame rating on 14 AWG wires and larger. LE4433 also provides, in addition to catalyst, a stabilization package containing suitable antioxidants, a metal deactivator and fine particle size carbon black for UV weather resistance. Properly mixed, during the extrusion process, FR4450/LE4433 exhibits excellent thermal stability to oxidation.
Applications
Visico FR4450 / LE4433 is recommended for use as insulation and sheath for low voltage control cables and power cables up to 6kv in rating.
Specifications
- UL 44
一般属性
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Technical Datasheet (English)
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