Product Describe: Fluorescent Brightening Agent HQ SUNWHITE BC Fluorescent Brightening Agent HQ SUNWHITE BC is a fluorescent whitening agent for acrylic. It has a bright-colored tinge with blue light. It also has a good fastness to light, resistant chlorine bleach, the good fastness to soaping and bleach by oxygen. It isn't resistant base. Composition: A good fluorescent whitening agent for acrylic Appearance: yellow liquid PH range: 6.0+0.5(1%solution) lon: cationic Application: BC :0.2-1% PH Range: 4-5 Bath ratio: 10-40:1 Temperature: 95-98℃ Time:30-40min The color-cast is pure and even as to the fabric after whitening Good washing-fastness, no effect to the whiteness. Note 1.Measured BC be add into dye bath 2. Strengthen whitening processing can add sodium sulfite 3-4g/l, sodium nitrate 1-3g/1.