High Quality Optical Bright...
Our optical brightener is a versatile, high-performance additive designed to enhance the brightness and whiteness of a wide range of materials. With over 20 years of expertise in optical brightener production, we’ve refined our formulations to deliver outstanding results across textiles, paper, plastics, detergents, paints, and more. Known for exceptional performance, reliability, and adaptability, our products are the perfect choice for industries seeking to elevate the visual appeal of their offerings.
Oba Di-Sulphonic For Paper ...
Main composition：
Stilbene derivative
Technical index：
Appearance：Amber transparent liquid
PH Value：8.5~10.5
Density：1.1~1.2g/cm3
Viscosity：≤200mpas
Ionic character：anion
Property:
- Convenient in application, easily soluble, diluted with water.
- Good resistance to alkali,perborate
Application Methods：
Addition pulp: usual dosage : 0.1~1.5% based on the weight of bone dry cellulose.
For actual application, the process should be adjusted according to correspondent sample-test
Packaging and Storage：
Packaging with 50kg、230kg or 1000kg IBC barrels,or special Packagings according to customers, store at the room temperature
Optical Brightener CL-L C.I...
| Product name | Optical Brightener CL-L |
| C.I.No. | 191 |
| Appearance | Yellow liquid |
| Ionicity | Anionic |
| Shade | Nautral |
| Performance |
1.Sure for Nylon (Polyamide), good fastness 2.Light fastness is more than 5 grade 3.Good solubility in hypochlorous, seawater, heat resistance |
| Application process | 1.Nylon fibre by Exhausting process Method (A): bleaching by sodium hydrosulfite CL-L 0.5-1.5% o.w.f Detergent agent 0.5-1.0g/L sodium hydrosulfite: 2-3g/L PH: 4-6 (adjust by glacial acetic acid) Temperature :80-130 ℃ 20-30 min. Method (B): leaching by sodium hypochlorite CL-L 0.5-1.5% o.w.f Detergent agent 0.5-1.0g/L sodium nitrate: 2-3g/L sodium hypochlorite: 3-8g/L Complexing Agent: 0.5 – 1.0g/L Temperature :90 ℃ 30-40 min. 2.Nylon fibre by Padding process CL-L 8-30g/L Levelling agent: 1-2g/L Fixing agent: 5-10g/L Temperature : 80-130 ℃ 20-30 min. ration: 80-100%, Parch at ℃105 Packaging: Packaged in plastic drums, 25kg each |
| Packaging | Packaged in plastic drums, 25kg each |
Optical Brightener CBS-X C....
| Main component |  |
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| C.I. No. | 351 | ||||||||||||||
| CAS No. | 27344-41-8 | ||||||||||||||
| Molecular mass | 562.56 | ||||||||||||||
| Formula | C28H20O6S2.2Na | ||||||||||||||
| Technical index |
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| Application | Can be used as brightener for detergent, cotton, linen, silk, polyamide fiber, wool and paper. It can be added to any process of any type of detergent. |
Optical Brightener CBS-P Us...
Product name: Optical Brightener CBS-P
Structural formula: 
Chemical Name: 4,4'-bis(2-sodium sulfonate styryl) biphenyl
C.I. No.: 351
| Appearance | Green- yellow granule |
| Ionic Character | Nonionic |
| Solubility | 40g/l at 25°C |
| E-value | 1105-1181 |
| Moisture Content | ≤ 5.0% |
| Impurity | Null (Water Solution) |
| Odour | Ammoniacal odour free |
Optical Brightening Agent C...
Product name: Optical Brightening Agent CBS-L
Structural formula: 
C.I. No.: 351
CAS No.: 27344-41-8
Molecular mass: 562.56
Formula: C28H20O6S2Na2
| Appearance | Greenish Liquid |
| Ionic character | Anion |
| Main content | 20±1% |
| E Value | 250±10 |
| Brightness CIE(Comparing with standard) | ± 1.5 |
| pH Value（1% solution） | 6.5~7.5 |
| Density(20℃±0. 1℃) | 1. 11~ 1. 13g/cm3 |
Optical Brightener Cbs-E fo...
Product name:Optical Brightener CBS-E
Structural formula:
Chemical Name: 4,4'-bis(2-sodium sulfonate styryl) biphenyl
C.I. No.:351
CAS No.:27344-41-8
Molecular Mass:562.56
Formula:C28 H20O6S2 Na2
Technical index:
| Appearance | Green- yellow granule |
| Ionic Character | Nonionic |
| Solubility | 40g/l at 25°C |
| E-value | 1105-1181 |
| Moisture Content | ≤ 5.0% |
| Impurity | Null (Water Solution) |
| Odour | Ammoniacal odour free |
Optical Brighteners-Add Shi...
Optical Brightener BA for cotton and paper：
| Product name | Optical Brightener BA |
| Other name | Fluorescent Brightener 113 |
| CAS NO | 4193-55-9 |
| C.I.NUMBER | 113 |
| Chemical name | Stilbene bistriazine derivative |
| Formula | C40H42 N12O10 S2 Na |
Specification:
| Item | Specification |
| Appearance | straw yellow uniform powder |
| Stength | 100 (Highest 145%) |
| Water content, %≤ | 5 |
| Insoluble matter in water, %≤ | 0.5 |
| Fineness (180um residue) , %≤ | 10 |
Optical Brightener APU for ...
| Product name | Optical Brightener APU |
| Main composition | Stilbene derivative |
| Technical index | Appearance：Amber transparent liquid PH Value：8 ~10 Density：1.1~1.3g/cm3 Viscosity：≤50mpas Ionic character：anion |
| Property | 1.Convenient in application, easily soluble, diluted with water. 2.Good resistance to alkali,perborate. |
| Application Methods | Addition pulp: usual dosage : 0.1~1.5% based on the weight of bone dry cellulose. For actual application, the process should be adjusted according to correspondent sample-test. |
| Packaging and Storage | Packaging with 50kg、230kg or 1000kg IBC barrels,or special Packagings according to customers, store at the room temperature. |
Optical Brightener APC Whit...
| Product name | Optical Brightener APC |
| Structural Formula |  |
| C.I. NO | 220 |
| CAS no | 16470-24-9 |
| Molecular mass | 1165.04 |
| Formula | C40H40N12O16S4.4Na |
| Type of product | Mixture substance |
| Appearance | Amber transparent liquid |
| PH Value | 8.0~10.0 |
| Viscosity | ≤50mpas |
| Ionic character | anion |
Optical Brightening Agent A...
| Product name | Optical Brightening Agent AMS-X |
| Structural formula | Stilbene derivative |
| Technical index | Appearance：white or yellowish granule Ionic character：anion CIE whiteness: Corresponds to standard ± 1.5 Triazine AAHT %:≤ 0.05 Total Triazine %: ≤ 1.00 Moisture content %:≤ 5.0 E Vlue: 540±20 |
| Performance and Features | 1.Adding AMS-X to detergent powder before spray drying. AMS-X can homogenize with detergent powder through spray drying. The using amount is 0.05~0.2%. 2.AMS-X can be used together to get the optimum performance. 3.Mainly be used in whitening of detergent powder and soap. |
| Packaging and Storage | Packaging with 25kg bags or 500kg bags，special package according to customers to offer.more than one year of stability at room temperature. |
AFINE Optical Brightening A...
| Structural formula |  |
| Molecular mass | 900.89 |
| Formula | C38H38N12O8S2.2Na |
| Type of product | Mixture substance |
| Appearance | Yellow-green granule |
| Solubility | 5g/l at 95°C |
| E-value (±20) | 450 |
| Moisture content % | ≤ 5.0 |
| Ionic Character | Anionic |
| Iron content (ppm) | ≤ 50 |
AFINE OBA 4BK Whitening for...
| Product name | Optical Brightener 4BK |
| Ingredients | Stilbene |
| Properties | Apperance123Slight gray-yellowish powder Ion123Anionic PH value1237.0～9.0 |
| Characteristics | Can dissolved in the hot water. High whiteness increasing power. Excellent washing fastness. Minimum yellowing after high temperature drying. |
| Application | Suitable for brightening cotton or nylon fabric with exhaust dyeing process under room temperature, has powerful strength of whiteness increasing, can achieve extra high whiteness. |
| Method of use | Dosage11114BK11110.25～0.55%(o.w.f.) Procedure1111fabric1111water 1:10—20 90—100℃ for 30—40 minutes |
| Transport,storage and packing | 25kgs in one cardboard boxes. The product is non-hazardous,chemical properties stability,be used in any mode of transport. At room temperature,storage for one year. |
Optical Brightener PF
Chemical name: 2,5-bis(5-methyl-benzoxazol)-ethene
Structure: 
Formula: C16H14O2N2
Molecular Weight: 266
C.I.Number: 135
Appearance: Yellow powder
Melting Point: 182 ~ 184 ℃
Purity: 98.0%(min)
Application: Mainly be used in whitening of polyester fiber and plastic, as well in whitening of polyester fabric.
Maximum UV Absorption Spectrum: 363nm
Optical Brighter EB-330 whi...
Product name: Optical Brightener EB-330
Or Fluorescent Brightener EB-330
Chemical name: Stilbene derivative
C.I.Number: 199:1
Appearance: Slight Yellow liquid
Ionic character: Nonionic
PH value: 5 ~ 7
Solid content: 20% or 25% (min)
Property: Mainly be used in whitening of polyester fabric and its blends with strong fluorescence, high whitening performance, good fastness to light, wash and excellent fastness to sublimation.
Optical Brightening Agent D...
Product name: Optical Brightening Agent DMS-X
Structural formula ：
C.I. NO:71
CAS no ：16090-02-1
EINECS：240-245-2
Molecular mass： 924.91
Formula ： C40H38N12O8S2.2Na
Type of product：Mixture substance