Qhia luv luv Txog Kev Paub Txog Hluav Taws-Cov Hlau thiab Cables

Hluav taws kub resistant hlau yog hais txog cov hlau uas tuaj yeem tswj xyuas kev nyab xeeb rau ib lub sijhawm nyob rau hauv cov xwm txheej ntawm cov nplaim taws. Kev tiv thaiv hluav taws yog hais txog kev ua haujlwm uas tuaj yeem khaws cia rau qee lub sijhawm nyob rau hauv qhov xwm txheej ntawm cov nplaim hluav taws, uas yog, kom muaj kev ncaj ncees ntawm lub voj voog. Hom hlau no muaj lub peev xwm muab hluav taws xob rau qee lub sijhawm hauv cov nplaim taws.

Fire resistant wires can be divided into two grades according to China's experimental standard (gb12666-99): Na and Nb;

Cov hluav taws kub-cov hlau tsis muaj zog tuaj yeem ua haujlwm tsis tu ncua (tshem tawm tam sim no thiab teeb liab) thaum muaj hluav taws, thiab txawm tias nws ncua sijhawm lossis tsis suav nrog hauv kev ntsuas. Cov nplaim hluav taws- cov xaim hluav taws xob yuav tsis ua haujlwm sai thaum muaj hluav taws kub. Nws txoj haujlwm yog tias nws nyuaj rau hlawv, tsis kis thiab tuaj yeem tua tus kheej. Cov hluav taws kub -cov hlau tiv taus yuav tsum ua haujlwm li qub rau 180 feeb hauv cov nplaim hluav taws kub ntawm 750 800 degree .

Fireproof hlau yeej yog lwm hom hluav taws xob hluav taws xob. Nws yog ua los ntawm tooj liab raws li cov tub ntxhais ua hlau, seamless tooj liab raj li lub sheath thiab inorganic ntxhia magnesium oxide raws li cov khoom insulating.

Raws li tag nrho yog ua los ntawm cov ntaub ntawv inorganic, tag nrho cov hluav taws xob hluav taws xob yuav tsis hlawv lossis ncua kev sib txuas. Thiab tuaj yeem tiv taus hluav taws. Qhov kev ntsuam xyuas qhia tau hais tias tom qab kub hnyiab hauv nplaim taws ntawm 800 900 degree rau 2 teev, cov hlau tau ua haujlwm zoo li qub. Tom qab hluav taws kub ntawm 1000 degree rau 30 feeb, nws tseem zoo li qub thiab tseem ua haujlwm li qub. Feem ntau, qhov ua haujlwm kub ib txwm yog 250 degree, uas tuaj yeem ua haujlwm nyab xeeb thiab ntseeg tau.

In recent years, with the continuous improvement of people's material and cultural living standards, China's gradual attention to fire prevention and the gradual improvement of people's safety awareness. In order to improve the safety level of electrical lines and reduce the occurrence and loss of electrical fire accidents, China has successively promulgated some electrical design specifications and clearly stipulated that fire-resistant cables should be used in some important electrical lines or places. The demand for flame-retardant and fire-resistant wire and cable products in China is increasing year by year, especially the demand for fire-resistant cables, In short, in order to ensure the fire safety of public places and other important occasions, we should vigorously promote the selection of fire-resistant and flame-retardant, low smoke and halogen-free fire-resistant cables that are pure to the environment.