There are four products on the market called CI 71. The biggest difference between them is:optical brightener CXT is powder, optical brightener FBCW, DMS, AMS are granular, these are CI.71 series.Optical brightener FBCW's cold water dispersibility is specially made for Lihua ,optical brightener AMS has a requirement for the total number of microbial colonies that is specially made for P&G. Optical brightener DMS is pure CXT granular, which is a product based on environmental protection requirements to avoid dust.
Below we will learn more about these four products:
1. Optical brightener CXT C.I.71
Appearance: white or light yellow uniform powder
Ultraviolet absorption: 370±10
Maximum absorption wavelength: 350nm
Performance characteristics: The color is blue-violet, acid-resistant, perborate-resistant, unstable to chlorine bleaching, and light fastness is level 4.
Uses: Used in washing powder to make the appearance white and pleasing, crystal clear and plump; it can also be used for whitening cotton fiber, man-made fiber, polyamide, vinylon, protein fiber, and amino plastic.
Suggested dosage: 1. The dosage in washing powder is 0.1-0.2%. 2. The yellowing point of whitening pure cotton cloth is 0.42%, and the recommended dosage is 0.1-0.4%.
Packing: cardboard drum. Kraft paper bag or PE bag, with a net weight of 15, 20 or 25 kg per piece
2. Optical brightener AMS C.1.71
Appearance: white to light yellow uniform particles
Ultraviolet absorption: 560±20
Maximum absorption wavelength: 350nm
Performance characteristics: environmentally friendly products, avoid dust pollution during use.
Uses: Mainly used in synthetic detergents, including washing powder and liquid detergent.
Suggested dosage: The recommended dosage for washing powder is 0.1~0.15%, and the recommended dosage for washing liquid is 0.1%~0.3%.
Packing: cardboard drum or carton, single piece net weight 25 or 30 kg.
3. Optical brightener DMS C.1.71
Appearance: white to light yellow uniform particles
Ultraviolet absorption: 416±10
Maximum absorption wavelength: 350nm
Performance characteristics: environmentally friendly products, avoid dust pollution during use.
Uses: Mainly used in synthetic detergent washing powder.
Suggested dosage: The recommended dosage is 0.1-0.2%.
Packing: cardboard drum or carton, single piece net weight 20kg or 25kg; container bag packaging, single piece net weight 400kg.
4. Optical brightener FBCW C.1.71
Appearance: white to light yellow uniform particles
Ultraviolet absorption: 436±13
Maximum absorption wavelength: 350nm
Performance characteristics: environmentally friendly products with excellent cold water dispersion performance, and can show satisfactory whitening effects even at low temperatures.
Uses: Mainly used in synthetic detergent washing powder.
Suggested dosage: The recommended dosage is 0.1~0.15%.
Packing: carton, single piece net weight 25kg; container bag packaging, single piece net weight 400kg.