Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5

  • Model NO.: mc
  • Environmental Protection: Yes
  • Kind: Plasticizer
  • CAS No.: 7128-64-5
  • Einecs No.: 230-426-4
  • Quality: High
  • Purity: >99.0%
  • Transport Package: (5kg X 1) (25kg X 1) (1kg X 1X12 Boxes) Iron Box C
  • Origin: China
  • Certification: CCIC, REACH
  • Color: White
  • Appearance: Powder
  • Mf: C26h26n2o2s
  • Inspection: SGS CIQ
  • Price: Lowest
  • Trademark: Betop
  • Specification: 25kg/pp bags
  • HS Code: 3204200000

OPTICAL BRIGHTENER OB (OBA184)

C.I.184 CAS7128-64-5

 

Technical Spec.: 

 

Appearance:

 light green powder

Chromatic light: 

blush white (similar with standard sample)

Purity: 

≥98%

M.P.: 

198~203ºC

Fineness: 

over 100 meshes

 

 

 

Structure:

 

 

Chemical Name:  2,5-bis(5-tertbutyl-2-benzoxazolyl)thiophene

 

Molecular Formula: C26H26N2O2S (As International relative Atom Mass 1997)

 

Emission Wavelength: 435nm (in ethanol).

 

Spectral Absorption Value: 375nm (in ethanol), max

 

 

Properties & Features: 

 

 

Light green powder, odorless, soluble in alkane, fat, mineral oil, paraffin and most organic solvents, max. 

spectral absorption value: 375nm (in ethanol), max. 

emission wavelength: 435nm (in ethanol).

 

 

Range of Application: 

 

 

Widely used for the whitening of PVC, PE, PP, PS, ABS, PMMA, POM, polester fiber, paints, printing ink and coatings etc.

 

 

Packing & Storage:

 

 

(5kg×1) (25kg×1) (1kg×1X12 boxes) iron box carton, fiber drum. Stored in dry place, avoid light.

 

Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
Optical Brightener / Fluorescent Whitening Agent Ob Fwa/Oba Ob CAS No. 7128-64-5
 

LG Sigma Elevator Spare Parts, LG Elevator Spare Parts, Sigma Elevator Spare Parts


Sigma Elevator Company is a subsidiary of Otis Elevator Korea (OEK) in South Korea for all overseas/export markets. It was founded in 2000.

Starting in 1968, "Goldstar" elevators, and later on, "LG" elevators, were counted among the world's top elevator brands. With the beginning of this new millennium, that legacy lives on through the birth of "SIGMA" elevators.

SIGMA Elevator Company will continue on with its mission of supplying elevators and escalators to more than 50 nations worldwide through its global network of 11 sales companies, 2 offices, and 52 agents or distributors.

SIGMA Elevator Company is dedicated to providing its customers with the best quality products and services. SIGMA elevators feature unmatched safety, ride comfort, and modern design. SIGMA escalators and moving walkways are held to similar safety and comfort standards and are integral parts of our modern urban aesthetics.

Changwon factory, Korea, the main factory of SIGMA Elevator, has long been a well-established name in the global elevator industry. SIGMA`s Dalian factory in China produces elevators & escalators to meet the demands of the local and worldwide markets as well.

SIGMA Elevator Company is committed to increasing customer value through a sharp focus on product innovation and customer satisfaction. With technology developed over the past 30 years, an enduring innovative spirit, and enthusiastic attitude towards providing customer value, Sigma Elevator Company stands by its product and service lines with confidence.

 

Sigma currently has businesses in more than 75 countries worldwide, and subsidiaries in five countries; Hong Kong (China), Vietnam, Thailand, Malaysia and Singapore.

In the United States, Sigma elevators were distributed by CemcoLift, which was a historic elevator company bought by Otis and based in Hatfield, PA. However, in 2012 CemcoLift has gone bankrupt and replaced by a new company called Minnesota Elevator Solutions.

It's headquarter, factory and testing tower are located in Changwon, South Korea, which are also operated by Otis Elevator Korea. It also has a secondary factory in Dalian, China, opened in 1998 to meet demands on Chinese elevator market.

In 2014, Sigma had a partnership with EXPRESS Elevator Co., Ltd., an elevator company based in Suzhou, China as well as a subsidiary of Otis. In 2016, Express/Sigma opened their headquarters in Suzhou, China

 

 

LG Elevators was the elevator and escalator division of LG Electronics. It was acquired by Otis in 1999 and was later known as LG-OTIS Elevator Company.

 

LG changed its name from GoldStar in 1994 after GoldStar merged with Lucky Chemical. In 1999, it was acquired by Otis Elevator Company, later known as LG-OTIS Elevator Company from 2000 until 2003, when it was renamed to OTIS-LG Elevator Company.  Later in 2006, OTIS-LG was again renamed to Otis Elevator Korea.

LG-OTIS Elevator Company (later OTIS-LG Elevator Company then Otis Elevator Korea) was a joint venture company between Otis and LG Electronics` elevator and escalator division, LG Elevators in South Korea. It was formed in 2000. The brand was renamed to OTIS-LG Elevator Company in 2003 and later Otis Elevator Korea in 2006, where it is currently known as that in South Korea

 




LG Sigma Elevator Spare Parts

LG Sigma Elevator Spare Parts, LG Elevator Spare Parts, Sigma Elevator Spare Parts

CEP Elevator Products ( China ) Co., Ltd. , https://www.china-elevators.com

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