Fluorescent Whitening Agent for Polyester
I,PROPERTY
Appearance: Yellow dispersion
Ionicity: Non-ionic
Chemical structure: Stilbene benzene derivatives
Dyeing shade: Reddish
Counter quality: Blankophor ER 330(Bayer)
II.APPLICATION
1.With reddish white shade for polyester,triacetate fiber and their blends in all stage of processing.
2.With good high temperature fastness and light fastness.
3.With good stability to hard water,peroxide bleaching,acids and alkalis.
4.With high fluorescent strength and brilliant white shade.
III.PROCESS METHOD
1.Exhaust process with high temperature
Dosage: FWA MER-L 0.1-1.0% o.w.f Dispersant:0.5-1g/L
Acetic acid adjustment: pH=5-6
Temperature×time:130ºC×30-40mins
2.Continuous process
Dosage:FWA MER-L 1-10g/L Other auxiliaries:xg/L
Temperature×time:180-190ºC×30-60Sec.
IV.Packing
25kg plastic drum or according to customer request.
V.STORAGE STABILITY
1.The product is stable for 1 year when stored in closed containers at room temperature.
2.The product is sensitive to cold below 0ºC and sensitive to heat above 40ºC.
3.The sediment usually developing with dispersions can be homogenized by stirring.
Package:
Packing : 25kgs new carton box with pallet
Maximum order quantity of 20'FCL : 12.6MT
Shipment:
Whether you have your own freight-forwarder or you would like us to organize shipment ; whether you
require delivery FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever
way you choose. Please feel free to discuss all options with us .
Our delivery time : Within 20days after got T/T or L/C bank copy
Payment:
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward
payment term like T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers'
reputation and consumption.
Certificate:
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTS,etc.
Market:
Our partners all around the world.
Audited Supplier 
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