Performance and technical parameters of environmentally friendly cables1. It does not contain heavy metals such as halogens, lead, cadmium, etc., and does not pollute the environment.
2. It is safe, flame retardant, and produces minimal harmful gases during incineration, resulting in low smoke emissions.
3. Renewable use, no damage to the environment when discarded, and no carcinogenic substances such as dioxins will be dispersed.
4. Do not change the physical function and application characteristics of the product.
Developed Western countries are at the forefront of research and development, production, and establishment of environmental regulations. In the late 20th century, Japan quickly replaced PVC with green environmental protection materials and focused more on the research and development, production, and standardization of environmentally friendly cables. They have successively formulated 7 specifications for environmentally friendly communication cables, 1 specification for environmentally friendly alarm cables, and 1 specification for environmentally friendly power cables.
Based on the emphasis and importance placed on environmental protection both domestically and internationally, and taking into account the actual situation of the cable industry in this city, and referring to foreign regulatory information in this area such as the US EPA and EU EN, in 2005, the Lin'an Wire and Cable Industry Association, in collaboration with the Wire and Cable Branch of the National Electrical Industry Association, formulated the local standard DB33/T609-2006 "75 Ω Physical Foamed Polyethylene Insulated Eco friendly Coaxial Cable for Cable TV System" in Zhejiang Province. From the current situation, this is an officially issued and implemented eco environmental cable standard.
This specification provides an overview and rules for the ecological and environmental functions, mechanical and environmental functions, incineration functions, experimental methods, and other aspects of cable television. The primary ecological and environmental protection, incineration function, and experimental methods are analyzed as follows:
1. Ecological and environmental protection function (mg/kg)
① Lead (Pb)<300
② Caries (Cd)<100
③ Mercury (Hg)<100
④ Chromium (Cr6+)<100
⑤ Polybrominated biphenyls (PBB)+polybrominated diphenyl ethers (PBDE)<1000
2. Burning function
① Flame retardancy (single straight burning)<60 seconds
② Transmittance rate of 60% · min
③ Sheath data HCL5mg/g · max
④ Sheath material incineration gas pH value 4.3min
⑤ The conductivity of the burning gas in the sheath material is 10 μ s/mm · max