Optical Brightener VBL series
Product Details:
| Place of Origin | China |
|---|
Payment & Shipping Terms:
| Packaging Details: | The product is packed in 25kg or 50kg cardboard tanks |
|---|---|
| Payment Terms: | L/C,D/P,T/T |
Detailed Product Description
Optical Brightener VBL series
| Appearance straw yellow or yellow even powder Tonebluish tone Moisture≤5% Fineness (screenings after sieving through 250micron pores)≤10% |
| 1.The agent has blue purple fluorescence. 2.Its anionic and its solubility in water is moderate. 3.It has good fastness to acid. |
| 1.Good fluorescent whitening performance in the pulp. 2.Good fluorescent whitening performance during surface sizing. 3.Good fluorescent whitening performance during water-solubility coating. |
| 1.When it is used in fluorescent whitening in the pulp, VBL should be added in before alum or cationic auxiliaries, but not be used together with those. Usage: the proportion between VBL and absolute dry weight of paper pulp is 0.050.3%. 2.When it is used in fluorescent whitening during surface sizing, it can be used together with CMC, PVA, starch and anionic or weak-cationic synthetic sizing agents. 3.When it is used in fluorescent whitening during coating, it can be mixed in at any stage during the preparation of the coatings in the form of dilute solution. Normal usage: 0.050.3% of absolute dry weight of fillers. |
| The product is packed in 25kg or 50kg cardboard tanks, and lined with plastic bag. It should be stored at the cool, shady and dry places with protection from light. |
Optical Brightener VBL series
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Company Info
Shanghai Yancui Import and Export Co., Ltd.
[China]
[Verified Member]
Province/State: Shanghai
Country/Region : China
Business Type:Trading Company
Online Postings: Products