low smoke zero halgen LSZH compounds cable material

Low smoke zero halogen Jacket Material
Since 2011, Angreen has started the research and development of low-smoke halogen-free materials (LSOH materials) for various application fields such as B1 cables, rail transit, building decoration, data communications, etc. according to the requirements of CRP (European Construction Products Regulation)；

Angreen low-smoke zero-halogen materials support wires and cables to pass CPR EN50575 level (B2ca, Cca, Dca, Eca) combustion test；

LSZH sheath materials have higher flame retardant grades and drop test grades, and still have excellent processing characteristics and quality under high flame retardant performance；

Angreen high-voltage low-smoke zero-halogen cable sheath material solutions fully meet the low-friction LSZH requirements of high-voltage wire harnesses for temperature resistance, flame retardancy and other indicators tested by ISO 6722 125℃ and ISO6722 125℃.

·Low smoke zero halogen compound (LSZH) is a cable sheath material widely used worldwide.

·LSZH stands for "Low Smoke Zero Halogen", which is a non-halogenated flame retardant material commonly used in cable sheaths.

·LSZH materials produce low smoke, low toxicity and low corrosiveness when burned, and have excellent fire safety performance.

·LSZH wires and cables are often used in densely populated office areas, public transportation systems and other environments.

LSZH is the abbreviation of "Low Smoke Zero Halogen". It is a term used in the wire and cable industry to describe the characteristics of materials when they burn. LSZH materials produce very little smoke when burning and do not contain halogen elements, which makes them safer in fire situations because they reduce the production of toxic smoke, thereby improving the possibility of escape and rescue.

The characteristics of LSZH materials include
·Low smoke
The amount of smoke produced when burning is very small, which helps to keep the vision clear in an emergency.
·Halogen-free
It does not contain halogens such as chlorine, bromine, etc., which produce toxic gases when burned.
·High flame retardancy
It usually has good flame retardant properties and can slow the spread of flames.
·Environmental protection
It has less impact on the environment during production and use.

LSZH materials are often used in
·Public facilities
such as subways, airports, hospitals, schools, etc., because these places have particularly high safety requirements.
·Electronic equipment
such as computers, communication equipment, servers, etc., to reduce the risk of fire.
Transportation: such as airplanes, trains, cars, etc., to improve passenger safety.

In the selection of wires and cables, LSZH materials are often used to make sheaths and insulation layers to ensure that the cables will not become a source of toxic smoke and gases in the event of a fire. The development and application of these materials is an important contribution of the cable industry to improving safety and environmental protection.

Classification and advantages of low-smoke zero halogen materials
·Classification by processing method
Angreen's low-smoke halogen-free materials have excellent processing performance, fully meet the requirements of high-speed extrusion, ensure the roundness and stability of the wire diameter, less drooling, and low mold inventory. At the same time, this type of material has excellent color stability, high yield rate, and effectively improves production efficiency.

·Classification by characteristics
low-smoke zero-halogen (LSZH) compounds are a material widely used in cable sheaths. Cable manufacturers not only need materials with basic safety, flame retardant and mechanical properties, but also require these materials to have higher cost-effectiveness in large-scale production.

low-smoke zero-halogen materials by cross-linking
low-smoke zero-halogen flame-retardant composite polyolefin cable materials treated by cross-linking can significantly improve the mechanical properties, heat resistance and environmental stress cracking resistance of the materials, broaden their application areas, and enhance the reliability and service life of the materials, which fully meets the requirements of low-smoke halogen-free regulations.

Application of low-smoke zero-halogen materials
LSZH materials are widely used in scenes with extremely high safety requirements such as airplanes, trains, ships, data centers and public places. In these environments, the smoke and toxicity generated when the materials burn may pose a serious threat to personal safety. LSZH materials are made from special polymers and do not contain halogenated additives, which are the main source of smoke and toxic gases when traditional materials burn. Instead, LSZH materials use flame-retardant chemical formulas that significantly reduce the smoke and toxic gases produced during fires.

LSZH materials are ideal in environments where human safety is critical or sensitive electronic equipment is present. Compared with traditional halogenated materials, LSZH materials not only reduce the damage to electronic equipment caused by smoke and corrosive gases, but are also more environmentally friendly because they release fewer harmful substances when burned.

Advantages of low-smoke zero-halogen materials
·Low toxicity
LSZH materials do not contain halogens, which release toxic gases when burned. Therefore, these materials are ideal for use in confined spaces such as aircraft cabins, submarines and underground tunnels, where the accumulation of toxic gases poses a major threat to life safety.

·Improved safety
In addition to reducing toxicity, LSZH materials also significantly reduce the amount of smoke produced during combustion, minimizing the risk of smoke inhalation. Inhaling smoke not only causes serious health problems, but can also affect visibility in emergency situations.

·Equipment Protection
The low smoke characteristics of LSZH materials help protect sensitive electronic equipment from damage caused by smoke. Compared with the high cost of equipment replacement, the application of LSZH materials is more cost-effective.

·Environmental Protection
LSZH materials do not release toxic gases when burned, which is environmentally friendly and suitable for applications with strict requirements on sustainability and environmental protection.

Angreen low-smoke zero halogen material characteristics
1、Excellent flame retardant performance
Fully support optical cables, cables, and network cables to pass various combustion tests of EN 50575 (B2ca, Cca, Dca) and GB31247 (except A) (different product names meet different levels of combustion tests).

2、Higher safety performance
Fully support cables, optical cables, and network cables to pass low-smoke halogen-free environmental resistance tests, such as cracking, aging tests, and ultraviolet aging at high temperatures; winding and impact tests at low temperatures.

3、Better wear resistance
Under the same low-smoke halogen-free material test conditions, the wear resistance and scratch resistance are better than other materials.

4、Good processing performance
Fully meet the requirements of high-speed extrusion, the wire diameter is round and stable, less drooling (less die material), good color stability, and higher yield rate. Ensure batch stability and homogeneity.

More professional LSZH sheath material solutions, designed for different application scenarios, the main product solutions include:
·High flame retardant LSZH: supports EU CPR regulations and China GB31247;
·High hardness LSZH: hardness ≥65D, or ≥98A; supports a wide range of operating temperatures from -40 to 125℃;
·Low friction LSZH: low friction, convenient on-site operation;
·High temperature resistant LSZH: 125℃/1000 hours non-stick;

High temperature resistant and anti-shrinkage LSZH:
·85℃ high temperature Cycle shrinkage ≤5‰;
·-40℃ low temperature cycle shrinkage ≤5‰;
·High and low temperature shrinkage: -40～85℃ high and low temperature cycle shrinkage ≤5‰;
·Supports a wide temperature range of -40～125℃ for long-term use;

Radiation cross-linked low smoke and halogen-free: The temperature resistance level is greatly improved after radiation cross-linking, supporting high temperature cables to meet the flame retardant and long-term aging test requirements of 150℃ temperature resistance level；

UV cross-linked low smoke and halogen-free: UV lamp irradiates low smoke and halogen-free materials, which are suitable for large-scale and efficient mass production of thin-wall insulation of cables.