What is halogen free wire?
Halogen-free cables are cables whose materials are not processed with the elements of the halogen group. As non-conductors, halogens such as chlorine are excellent insulators and are therefore often used as jacket material for cables. The most common example of this is polyvinyl chloride (PVC).
Is PVC cable halogen free?
PVC or polyvinyl chloride is not a halogen-free material because it contains chlorine.
Is silicone cable halogen free?
Silicone cables are halogen-free cables and are especially suited for installation in power stations.
What is the most suitable cable for a fire alarm?
1) NPLF or, non-power limited fire alarm cables are recognized by the NEC and are suitable for all general fire alarm cable uses.
Is halogen free required?
A: No. A company can’t claim halogen-free status solely due to REACH or RoHS compliance, and will need to comply with halogen-specific standards, such as IEC 61249-2-21 and JS709C, to make such a claim.
Is halogen free cable low smoke?
They’re often divided into three categories: Low Smoke, Zero Halogen (LSZH); Low Smoke and Fume (LSF); and Flame Retardant and Noncorrosive (FRNC). LSZH cables don’t generate toxic gases and they burn with only a small amount of clear smoke, which is preferable to the dark smoke of halogens.
What are the cables used in fire alarm system?
BS 7629 – 1, 300 / 500 V fire resistant electric cables with non corrosive gases and low emission of smoke when affected by fire. Category STANDARD 30 & STANDARD 60 when tested in accordance with BS EN 50200-Method of test for resistance to fire of unprotected small cables for use in emergency circuits.
What is halogen free flame retardant?
Applications. Flame retardants are substances or compounds that are added to other materials, such as plastics, coatings and textiles to prevent or delat the the spread of fire. The first applications of flame retardants predate the Gregorian calendar.
What products contain halogens?
Modern utilization of halogens is extensive. They are used in swimming pools (chlorine and bromine), drinking water (chlorine and fluorine), toothpaste (fluorine) as well as in table salt (chlorine). Apart from astatine, traces of halogens can be found in the human body and are considered essential for good health.
What does low halogen mean?
Within Intel, the term “low-halogen” is defined in Clause 4 of JEDEC JEP 709 and is used to identify solid state devices that contain low concentrations of bromine and chlorine from brominated and chlorinated flame retardants (BFRs, CFRs).
Can PVC be Low Smoke?
A PVC cable (made of polyvinyl chloride) has a jacket that gives off heavy black smoke, hydrochloric acid, and other toxic gases when it burns. Low Smoke Zero Halogen (LSZH) cable has a flame-resistant jacket that doesn’t emit toxic fumes even if it burns.
Is halogen free cable Low Smoke?