Good quality light green optical brightening agent ob-1for polystyrene
Packaging & Shipping
We can make 25kgs iron drums, fibre drums, cartons, woven bags and paper bags.
Our shipping delivery time is 10-30days normally.
Our Services
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.
Company Information
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.
FAQ
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 BBU C.I. 220#
[molecular formula].C40H40N12O16S4Na4
[molecular weight].1165.12
[cas no].16470-24-9
[appearance]: Light yellow powder
[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]: 1.Good soluble in water. It can be dissolved in 3-5 times boiling water, and its solublieity is 300g/l in boiling water and 150g/l in cold water.
2. Good resistance to hard water, the ions of Ca and Mg have no influence on its whitening effect.
3. Good resistance to peroxide bleach agent and containing reductive bleaching agent(sodium hydrosulfite).
4. General acid-resistance and the optimal applied above PH 7.
5. Show anionic character and optical blue color.
[applications ]:For cotton fiber and glue fiber. For the syrup of discharge pattern of printing color.
For Paper and pulp, surfact guling and coating industry.
[process]:padding dying: about 60-100degree, holding time is 20-40mins,ratio is 1:20-30. dosage is 0.1-0.5%
[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.
