Fluorescent Whitening Agent NFW
I. PROPERTY
Appearance: Yellow-green powder
Ionicity: Anion
Chemical structure: Stilbene derivatives
Shade: Slightly violet shade
Counter quality: Uvitex NFW(HUNTSMAN)
II. APPLICATION
1.With slightly violet shade for polyamide ,cotton,wool and their blends
2.With low appropriate for cotton and high appropriate for wool and silk.
3.With high fluorescent strength and excellent fastness.
4.With good pH stability:2-12
5.With good stability to peroxide and reduction bleach.
6. Be very suitable for silk,wool and blends whitening.
III.PROCESS METHOD
1.For nylon and cotton
After redution bleach process with nylon/cotton blends whitening .
Dosage:FWA NFW 0.1-0.5% o.w.f sodium sulfate:2-5g/L
Liquor rate:1:10-20 Temperature×time:80-100ºC×30-60mins
2. For wool and silk
After peroxide and reduction bleach process with wool and silk whitening.
Dosage:FWA NFW 0.1-0.3% o.w.f pH=4-6(acetic acid adjustment)
Liquor rate:1:10-20 Temperature×time:60-100ºC×20-60mins
Packaging & Storage
25KG new carton box; ordinary chemicals, non-toxic, tasteless, according to general chemicals Valid for one year
About us
Founded in the year of 1999, HANGZHOU TIANKUN CHEM Company Limited is a large-scale enterprise that specializes in manufacturing dyestuffs. With the aid of standardized production, an exceptionally experienced sales force, advanced laboratory, timely delivery, we have successfully been catering to the demands of our customers and have become one of the top-ranking dyestuff factories in the global market.
We're a famous textile auxiliaries producer in China with over 30000 tons annual output. Our factories are located in Zhejiang
province, nearly closed to Shanghai. Your visit to our factory will be greatly welcomed.
Shipment & Delivery
Delivery Time:Within 10 days after got T/T or L/C bank copy.
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 .
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.
Certification & Exhibitions
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTs, etc.
FAQ
Q1: Does the product meet international environmental certification standards?
A: This product has passed OEKO-TEX® Standard 100, REACH and other certifications, does not contain harmful substances such as APEO and formaldehyde, and is suitable for export to the EU, North America and other textile production with strict environmental protection requirements.
Q2: What is the MOQ?
A: The MOQ of conventional dye is 25kg/ barrel, the MOQ of auxiliary support 1 ton, and 500g sample trial pack is provided (sample fee and freight are required).
Q3: How to ensure transportation safety?
A: The liquid additives are packed in UN-certified sealed drums, the powder dyes are packed in moisture-proof aluminum foil bags + cardboard drums, and MSDS and dangerous goods transport documents are provided.
Q4: Can I customize special functional auxiliaries?
A: Support the development of anti-static, flame retardant, waterproof and other functional additives, need to provide fabric composition, target performance indicators and test standards.
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