M/s Javerchand Khimji Rangwala is the manufacturer and exporter of 50 Percent White BB Exconc Optical Brightners. M/s Javerchand Khimji Rangwala is an ISO 9001:2000 certified company. The 50 Percent White BB Exconc Optical Brightner comes under the category of basic dyes. The C.I number of 50 Percent White BB Exconc Optical Brightner is Brightner 24. The 50 Percent White BB Exconc Optical Brightners are used in industries like cotton, viscose/rayon, paper and pulp.