The role of the brightener is to convert the invisible ultraviolet radiation absorbed by the product into purple-blue fluorescent radiation, which complements the original yellow radiation to become white light, and improves the whiteness of the product under sunlight. Brighteners have been widely used in textiles, papermaking, washing powder, soap, rubber, plastics, pigments and paints.
Generally, brighteners are divided into two categories, one is water-soluble brighteners, and the other is water-insoluble brighteners. The former can be used as a brightener for paper, paint, washing powder and cotton fabrics. The latter can be used for whitening of chemical fibers and plastics.
It is often divided into:
This product is especially used for the molding and processing of various plastics and plastic products under high temperature. Because of its good heat resistance, light resistance and chlorine resistance, it is a brightener for polyester fibers. Polyester, cotton and other fiber blended fabrics The whitening effect is also particularly ideal, and can be used for the whitening of polyester stock solution.
Optical Brightener,Optical Brightener For Pvc,Optical Brightener Masterbatch,Optical Brightener Ob1,Price Optical Brightener Henan Shunbang Chemical Industry CO.,Ltd , https://www.suspensionpvc.com
DIMENSIONS(mm)
DN
L
D
D1
D2
b
Z-∮d
f
H
KG
40
140
150
110
88
18
4-18
3
205
10.7
50
150
165
125
102
20
4-18
3
212
11.7
65
170
185
145
122
20
4-18
3
238
12.8
80
180
200
160
138
22
4-18
3
258
15.5
100
190
220
180
158
22
8-18
3
315
22.2
125
200
250
210
188
24
8-18
3
398
34.5
150
210
285
240
212
24
8-23
3
426
41
200
230
340
295
268
26
8-23
3
498
63.4
250
250
395
350
320
28
12-23
3
598
105.2
A: Â Yes, we could offer the sample for free charge but do not pay the cost of the freight.
Q. Â Can I have my own Logo on the product?
A: Â Yes, you can send us your drawing and we can make your logo, but you have to bear
their own the cost.
Q. Â Can I request to change the form of packaging and transportation?
A:  Yes, we can change the form of the packaging and transportation as per your request, but you have to bear their own costs incurred during this period and the spreads.
Q. Â How long is your delivery time?
A: Â Generally it is 5-10 days if the goods are in stock.Or it is 15-20 days if the goods are not in stock,it is according to your quantity.
QÂ CÂ an I request to advance the shipment?
A:Â Â It should be depends on whether there is sufficient inventory in our warehouse.
Q. Â Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.
Q. Â What is your payment terms?
A: Â Payment<=1000USD,100% in advance.
Payment>=1000USD,30% T/T in advance,banlance before shippment.
If you have another questions,please feel free to contact us below:
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Fluorescent brightener for detergents; Fluorescent brighteners for textiles; Fluorescent brighteners for papermaking; Fluorescent brighteners for plastics and synthetic materials; Fluorescent brighteners for other purposes.
Model NO.: ZFI01
Thread Position of Valve Rod: Inside Gate Valve
Usage: Regulation, Safety, Emptying, Drain, Flow Control
Standard: DIN
Application: Industrial Usage, Water Industrial Usage, Household Usage
Body Material: Cast Iron(Gg25)
Bonnet Material: Cast Iron(Gg25)
Seat Material: Iron+Rubber(EPDM/NBR)
O-Ring Material: Rubber
Stem Material: Carbon Steel/Stainless Steel
Bolt Material: Carbon Steel/Stainless Steel
Color: Blue(as Per Customer)
Certificate: Ce/ISO
Face to Face: DIN3352 F4
Flange Standard: DIN2501
Trademark: ITSEN
Transport Package: Plywood Cases/Pallets
Specification: DN50-DN600
Origin: Shandong, China
HS Code: 8481804090
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Q. Â Do you provide samples?Is it free or extra?