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Apr-17-21

Optical Brightener Ob1

$14.80
MOQ: Not Specified
 
Optical brightener OB-1 can be widely used in PVC, PS, ABS, PE, PP and other plastics.
It has a superior fluorescent whitening effect, good thermal stability, and few added amounts. More importantly, it is more cost
effective.
It can greatly improve the whiteness of recycled polyester staple fiber and recycled textiles and plastic soda bottles (PET).
Jan-22-21
 
Optical brightener KSN and OB-1 have similar chemical structures, and Optical brightener KSN has better whitening effects on PC and plastics than OB-1, and its compatibility is also better than OB-1.Optical brightener KSN also has high temperature resistance. But it is also more light and weather resistant than OB-1. KSN is suitable for whitening PA, PAN, film, injection/extraction molds.
Optical Brightener KSN Pure Powder 99%min with CAS No. 5242-49-9.
Jan-22-21
 
Optical Brightener KCB is bright yellow powder with melting point 212â??, it is insoluble in water and the maximum absorption wave length is 370nm. It has very high stability and very excellent weather resistance and migration resistance, so it is very popular and very widely used in Plastic, Coating, Painting, Ink, Copolymer, Synthetic fiber, Polyester fiber etc.

Optical Brightener KCB Pure Powder 98.5%min with CAS No. 5089-22-5.
Jan-22-21
 
Optical brightener FP-127 is a heat-resistant, solvent-soluble, chemically stable optical brightener that provides better color. It is used to offset the yellow color of the polymer and produce a whiter appearance. Optical brighteners change the wavelength of light by absorbing ultraviolet light, and then emit light in the form of fluorescence. It can also be used as a tracer in various applications and as an optical brightener in thermoplastics, coatings, printing inks, dyes, man-made fibers, waxes, fats and oils. This fine powder form is very suitable for:
1.) Reducing the clogging of the equipment is essential to increase productivity and
2.) It is essential for the application efficiency of the clear coating to disperse and smooth the appearance of the coating.
Optical Brightener FP-127 Pure Powder 99%min with CAS No. 40470-68-6.
Apr-11-20
 
Product Class: Optical Brightener Agent For Plastic
Product Name : Optical Brightener Agent KSN
Chemical Name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene
CAS No. 5242-49-9
C.I. No. 368
Structural Formula
Molecular Formula: C29used for high temperature process.
H20N2O2
Properties: 1. being highly whiteness with small usage
2. multipurpose used for whitening of polyester fiber and plastic
3. having a good compatibility and good fastness to light and sublimation. Can be
Treating Process: Overlay plastic:0.5-2g/100kg
Polyester fiber:10-20g
Package: 20kg cardboard drum
Technical Index: Appearance: greenish yellow powderï
Melting process: 275~280
Ash content:
Volatile content
Fineness(300 mesh):100%
Uses: mainly be used in whitening of polyester, polyamide, polyacrylonitrile fiber, the plastic film and all plastic pressing process. Can suitable for synthesizing high polymer including polymeric process.
Package: 10kg or 25kg per fiber drum
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Apr-10-20
 
Product Class: Optical Brightening Agent For Plastic
Product Name: Optical Brightening Agent OB-1
Chemical Name: 2.2-(4.4-diphenol vinyl) dibenzoxazol
CAS No.: 1533-45-5
C.I. No.: 393
Structural Formula:
Molecular Formula: C28H18N2O2
Molecular Weight: 414
Technical Index: Appearance: yellowish green powder
Melting Point:358~360
Purity:99%
Uses : Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
Package: 10kg or 25kg per fiber drum
Apr-11-20
 
Product Clas Optical Brightener Agent For Plastic
Product Name Optical Brightener Agent OB
Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
CAS No. 7128-64-5
C.I. No. 184
Structural Formula
Molecular Formula C26H26N2O2N2
Molecular Weight 430
Technical Index Appearance: slight greenish yellow powder
Melting Point:200-202
Purity:99%
Uses Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.
May-13-20
 
Optical brightener OB( OBA 184)
CAS No. 7128-64-5
Appearance: Light yellow or milk white powder
Purity: 99% min
Melting point: 196-203â??
Usage: A good whitening agent for PVC,PS,PE,PP
ABS, thermolastic plastics, Acetate fiber, paint, coating and printing ink, etc
Package: 25KG fiber drums with PE liner
Oct-28-19
 
Product Name: Optical Brightener OB-1
Chemical Name: 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole
Molecular Formula: C28H18N2O2
Molecular Weight: 414.4
UV absorption wavelength: 374nm
Cas No.: 1533-45-5
C.I. No.: 393
EC No.: 216-245-3

Specifications:
Appearance bright yellowish/greenish crystal powder

Melting Point 357-361
Purity â?¥98.5%
Color Shade Blue
Fineness â?§200 mesh
Water insoluble Content â?¦0.5%

Properties:
Optical brightener OB-1 is crystallized substance, has strong fluorescence. It is odorless, hard to dissolve in water.
It can be used for whitening polyesters, nylon fibre and various plastics such as PET, PP, PC, PS, PE, PVC, etc.

Package:
25kg per carton drum with double layer PE bag inside, or adjust according to clients demand.

Storage:
Store at cool and dry place.

Expiry date: 24 months.
Oct-25-19
 
Paper Optical Brightenr Agent
SPP Hexa-Sulphonic
Sep-11-18

Optical Brightener Ob

$34.00
MOQ: Not Specified
Supplier From Chennai, Tamil Nadu, India
 
Product name: Optical Brightener OB
CAS NO: 7128-64-5
Appearance: slight greenish yellow powder
Melting Point: 200-202â??
Purity: â?¥99%
Maily be used in whitening of thermoplastic, PVC, PP, plyester fiber, paint and ink, etc.
Pacakge: 10kg or 25kg per fiber drum
Mar-06-18

Dextrose Anhydrous

$500.00 - $550.00
MOQ: Not Specified
 
Appearance and solubility White or almost white, crystalline powder. It has a sweet taste., freely soluble in water, sparingly soluble in ethanol (96 per cent), identification Positive, specific optical rotation52 53, acidity or alkalinity 6g sample 0.1mol/l nao 0.15ml, water Not more than 1.0%, arsenic Not more than 1ppm, calcium Not more than 200ppm, lead Not more than 0.5ppm, chlorides Not more than 125ppm, sulphates Not more than 200ppm, appearance of solution The solution is clear and not more intensely colored than reference solution by7, barium Any opalescence in the solution is not more intense than in the standard, sulphites 15ppmso2, foreign sugars, soluble starch, dextrins Qualified, sulphated ash 0.1%, pyrogens (tal 10% solution):?0.25eu/ml, bacilli 1000cfu/g, mold 100cfu/g, e.Coli Not available,
Mar-06-18
 
Item Standard Inspection result
Appearance White or slight yellowish crystal powder , Pass
Loss on dry, % 1.0max 0.6%
Content, 98% min 99.2%
Reduzate , % 0.7 max 0.3
Chloride, % 0.07max 0.002
Sulphate, % 0.05max 0.003
Ph 6.2-7.8 6.7
Pb , g/g 2max 0.5
Heavy metal, g/g 10max 5
Arsenic salt, g/g 2max 1
Apearance of solution Clear Clear
Jan-04-24
Supplier From Saudi Arabia
Aug-03-23
Supplier From Bhopal, Madhya Pradesh, India
Jun-05-18
Supplier From New Delhi, Delhi, India
Jul-07-15
Supplier From Shijiazhuang, Hebei, China
Apr-12-18
Supplier From Navi Mumbai, Maharashtra, India
Jan-11-21
Supplier From Zhengzhou City, Henan Province, China
Jul-30-24
Supplier From Daeniken, Solothurn, Switzerland
 
CHF 19,03â??CHF 107,02 including VAT, excluding shipping

Size
1 litre
5 litres
10 litres

Very suitable for non-ferrous and precious metals, brass, nickel and titanium. The product is liquid, emulsifying, silicate and phosphate-free, mildly alkaline. It also removes greasy fingers and hand sweat

Weight n/a
Size
1l, 5l, 10l
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