Loss of ignition (LOI) of Glass cord

1. Specimen
	The specimen shall be that tested in Tex.
2. Test procedure
	The specimen shall be weighed in 0.0001 g(W1) and then dried for 60 min in 110±5C and cooled in desiccator to room temparature,weighed in 0.0001 g(W2). It shall be heated for 30 min in electric oven of 625±25C,and cooled to room temparature,then weighed in 0.0001 g(W3).
3. Calculation
	LOI in weight percent are calculated to the first decimal place as follows;