☆.Double-layer armor protection, with good mechanical properties;
☆. Simple structure, small outer diameter, fast heat penetration, and fast temperature measurement response;
☆. Environmentally friendly flame-retardant PVC or LSZH sheath, with good protection performance;
☆. The optical cable is very flexible and easy to construct and lay
Widely used in:
◆  Tunnels such as highways and subways;
◆ Cable trenches, cable interlayers, cable tunnels, etc.;
◆ Fire temperature measurement in large buildings such as factories, halls, and granaries;
◆ Coal mines, petrochemical pipelines, etc.;