Payment & Shipping Terms:
|Classification:||Chemical Auxiliary Agent||C.I.:||357|
|Other Name:||Optical Brightener KSM-L||Usage:||Paper Dyestuff|
Hexa - Sulphonic 357 Optical Brightener For Paper Industry KSM-L Cas 41098-56-0
1. General Information of Optical Brightener 357
MOLECULAR FORMULA: C40H38N12O18S6Na6
2,2'-(1,2-Ethenediyl)bis[5-[[4-(diethylamino)-6-[(2,5-disulfophenyl)amino]-1,3,5-triazin-2-yl]amino]benzenesulfonic acid] hexasodium salt
|Appearance||Amber transparent liquid|
|Fluorescent intenstty (equivalent to standard sample E400)||20±1|
|Whitenes s(WCIE) (equivalent to stand sample)||≥ -3|
|Chromatographic purity||≥ 85|
|Chlorine ion content||≤0.5%|
(1) Good resistance to hard water, the ions of Ca2+ and Mg2+ have no influence on its whitening effect.
(2) Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite)
(3) Good acid-resistance and the optimal applied pH value >7
2. Application and procedure of Optical Brightener 357
(1) Used in the process of surface gluing.
(2) Used in the process of coating
(1) Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.2-2.0% on dry white pigment.
(2) Addition via size press: combined with starch, PVA and other products for surface sizing. Usual dosage: 0.005-0.02%
4. Packing and Shipping
Optical Brightener 357 is packed in 25 kg, 50 kg ,200 kg or 1000kg plastic drum.
We have rich experiences in exporting and importing. We have good cooperation with world wide Express like DHL, UPS etc and also shipping line to ensure the samples and goods can be reach to the cutomers at soonest speed.
5. Quality Contral and R&D
We have more than 15 years of production and we also have experienced technical person to do testing and gurantee the quality during the whole production line.In past few years our team strive to develop new products which are enviromental friendly and energy
saving. We believe with our fulfillment to be the best enterprise for our customers. Under their efforts the Optical brightener has achieved national advanced level.
6. Production line
Shanxi Colorshine Chemical Industry Co.,ltd is an ISO-certified modernized chemical enterprise in the collection of R&D, production and sales. Our company concentrates on the production, sales and service for Optical brighteners,Dyes and Carbon Black, fine chemicals and intermediates, which are widely used in detergent,paper-making, textile, rubber industry, medical industry, paints, printing inks and etc.
Our company's headquarters is based in Linfen City, Shanxi Province. We are establishing technical cooperation with Linfen Tech University, and manufacture products according to different customers’ requirements to fulfill market’s demand.
Except professional R&D team, our factory has advanced production and testing equipments for testing, mixing and post-processing the products in order to ensure the high quality.
With profound chemistry knowledge and rich experience, our business team can offer professional technical supports according to customers’ demand.Till now our products are exported to Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and successfully into Germany, France, the United States and other European markets.