How to Test The Char Length of Fire Retardant Fabric?

The char length of fire retardant fabric refers to the carbonization length of fabric after the burned fabric completely extinguished. Char length test is divided into sampling, burning, tearing, measuring several steps.

First, the sampling should be uniform, different parts of one roll fabric should be sampled separately. Next the test should be used professional combustion gas to burn. In the process of tearing different fabrics should use different heavy hammers, the measurement should be taken the maximum value of the record, and finally take the average of each values.

The above list one kind of char length test of fire retardant fabric, the details of test are in accordance with the actual situation.

All the fire retardant fabrics produced by Xinxiang Yulong Textile can reach the char length requirement of European standard and American standard.