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With over 9 years of experience in this industry, Shijiazhuang He Dye Chem Co., Ltd. understands the needs and expectations of our customers well and we strive to accommodate them. We take pride in our work and you can trust our ability to get your job done right at the first time. With a courteous and knowledgeable Sales Team, we can answer any of your questions or concerns with confidence and our service technicians are trained to understand all of the dynamics of the quality equipment we sell and serve, guaranteeing customer satisfaction every time.
With the accumulated expertise and versatile service unit and the totally development of product based on customers' requirements, services are provided for the customers around the world.
Our number one priority is you and we are not afraid to show it!
We can make 25kgs iron drums, fibre drums, cartons, woven bags and paper bags.
Our shipping delivery time is 10-30days normally.
We want to offer the best service with the best prices.
We should do the responsibility for our customers
Any quality problem we are ready to solve it with our customers
Any dyeing technology if need, we should do the offer.
We export the dyes to all over the world.
Our main market is South Asia, Middle East, South America, Africa with Russia.
We are happy to do our best to our customers.
We do hope our customers happy too with us.
Our Inspect dept. shall test the shipment goods every time and keep the test results in our lab.
Our lab people doing the dyeing inspection for almost 20years.
We must assure the quality before shipped.
Fluorescent Brightener FB-351
[molecular formula].C28H20S2O6Na2
[molecular weight].562.6
[cas no].27344-41-8
[appearance]: Pistachio granule
[color shade]:Similar to the standard sample
[whiteness]: (the deviation with the standard sample) -3 min
[fineness]: (residual content passed through 250um-pore sieve) 10.1 min
[moisture%]:5.0% max
[insoluble matters ]: 0.5% max
[properties]:It is a disulfonic distyrylbiphenyl compound.Good soluble in water.it has high brighten intensity on cotton as much 2.7 times as bis(triazinylamino) stilbene derivatives, and has well optical blue color monitor.dissolve and disperse properties. It has extremely high stability with hypochlorite sodium.it is a bleaching resistant optical brightener.
[applications ]:For Synthetic detergent and soap industry.
[process]:1.It can be added in any prodedure of the production of synthetic detergent and soap.It can be obtained excellent effect if used together with OB 31#
[packages]25kg iron drums, cartons and woven bags
[storage & transportation]: The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.









Update Date:2011-7-1 21:29:14
New products from manufacturers at wholesale prices