Optical Brightening Agent OBA ER-I

We are exporter and wholesaler of Optical Brightening Agent OBA ER-I is also called whitening agent for polyester is widely used in coating industry. It is non-toxic, odorless, non-ionic and soluble in most of the organic solvents. Product Whitened by ER-I has a natural, pure white appearance. Being stable in regards to its chemical properties and characterized by strong high-temperature resistance and photo-stability, ER-I is one of the most ideal whitening agents generally accepted internationally for polyester fiber.

Optical Brightening Agent OBA ER-I

Optical Brightening Agent OBA ER-I
Properties: ER-I is a fluorescent whitening agent (FBA 199) or optical brightening agent also called whitening agent for polyester, is one of the bisdiphenylethylene compounds and is similar to Blankophor ER made in Bayer A.G., Germany. ER-I has an appearance of yellowish green powder crystal with a purity equal to or higher than 99.5% and a melting point of 229 to 231°C. It is non-toxic, odorless, non-ionic and soluble in most of the organic solvents. Product Whitened by ER-I has a natural, pure white appearance. Being stable in regards to its chemical properties and characterized by strong high-temperature resistance and photo-stability, ER-I is one of the most ideal whitening agents generally accepted internationally for polyester fiber.
ApplicationsFluorescent Whitening Agent (Optical Brightening Agent) ER-I in the form of refined powder is very suitable for whitening and brightening polyester fiber and has good whitening effect on plastics such as PE, PP and PVC and their process of shaping with polyester chips or recovered polyester chips. Additionally, the refined powder is widely used in coating industry.Directions for use and dosage: Put Fluorescent Whitening Agent ER-I in the form of refined powder, the polyester chips and other auxiliaries together into the mixer. The dosage of 0.02-0.08% on weight of polyester is recommended and should be determined according to the requirement for the whiteness of the finished products. Mix the mixture thoroughly at 50-150°C and then keep it at 240-300°C for drawing-spinning.
Specifications:
Item
Indices

Appearance
yellowish-green powder crystal
Purity
≥99.5%
Melting point
229-231°C
Volatile content
≤0.50%
Ash content
≤0.10%

Send Enquiry

Optical Brightening Agent OB1.

Optical Brightener OB-1 Specification Appearance Light yellow crystals Melting point ≥359°C Assay ≥98.0% Fineness ≤0.5% Characteristics: Excellent whiteness, fluorescence and shade; excellent resistance to high temperature and weathering. Application: For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc. Usage: Rate of use: (per 1000kg of substrate) Polyester: 75-300g EVA, PP, nylon: 75-200g Packaging & Storage: 25kg or 50kg iron drum or paper drum lined in plastic bag, transport as non-hazardous.

Uses :

For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc

Send Enquiry

Mr. Jimit Mehta (CEO)
504, Faiz - E - QutbI, 375 Narshi Natha Street, Masjid Bunder
Mumbai, Maharashtra - 400 009, India
Telephone: +(91)-(22)-23427325/ 32400475

Contact via E-mail

Contact via Mobile

Contact via SMS