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Optical Brightener

FOB Price

Get Latest Price

17.5 ~ 26.5 USD / Kilogram

|

50 Kilogram Minimum Order

Country:

China

Model No:

OB, OB-1

FOB Price:

17.5 ~ 26.5 USD / Kilogram Get Latest Price

Place of Origin:

-

Price for Minimum Order:

17.5 per Kilogram

Minimum Order Quantity:

50 Kilogram

Packaging Detail:

25kg / fiber drum with PE liner

Delivery Time:

within 15-20 days

Supplying Ability:

300 Metric Ton per Month

Payment Type:

Western Union, L/C, T/T

Product Group :

-

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Free Member

Contact Person li

rongye, Tianjin, Tianjin

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Product Specification

  • Other Names: Optical Brightener OB
  • Type: power
  • Brand Name: BGT
  • Purity (%): 99%

Product Description

Optical Brightening Agent OB

OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing.

Typical Properties

Chemical Name: 2,*-(2,*-Thiophenediyl) Bis[*-(1,*-dimethylethy)]

Benzoxazole

Molecular Formula: C*7H*7O2N2S

Molecular Weight: 4*0

CAS No.: ********5

C.I.: **4

Specifications:

Appearance: Yellowish or yellowish green crystal powder

Assay: *9% min.

Melting Point: ******3

Ash: 0.3% max.

Volatile Content: 0.3%max.

Particle size: **0 meshes

Max. Absorption Wavelength: **5nm(in ethanol)

Properties:

1. Optical Brightener Agent OB is highly effective in polymer substrates such as engineering plastics, e.g. PE, PC, PVC, PS, ABS, and PP, adhesive and other organic substrates. 

2. Main applications include fibers, molded articles, films and sheets. And also can be used in clear lacquers, pigmented lacquers, paints, printing ink and synthetic leather. It will produce brilliant brightness with dyestuff, which is very efficient in directions for multicolor.

3. Optical Brightener Agent OB can be used as a tracer in a variety of applications.

4. OB features excellent resistance to heat, exceptional whitening properties, good light fastness and low volatility. It is readily soluble in organic solvents and features good compatibility in various substrates. The product is especially suitable for applications such as films and fiber.

OB enhances the whiteness of the substrate. In combination with dyes, the product produces particularly bright shades. Its excellent heat resistance renders OB suitable for all relevant 

processing conditions. It is suitable for packing applications but local regulations must be observed.

Application (in each **0kg polymer):

PVC: White 0.***0.*5 (*0g**0g)

Transparent 0.*****0.**1% (0.1g*1g)

PS: White 0.**1% (1g)

Transparent 0.*****0.**1% (0.1g*1g)

ABS: Primitive color 0.***0.*5% (*0g**0g) 

(effectively eliminate the intrinsic yellow color in ABS)

White 0.***0.*5% (*0g**0g)

PE, PP: Achromaticity 0.*****0.**1% (0.5g*1g)

White 0.****0.*5% (5g**0g)

Other Plastics: Refer to the directions given above.

When OB is used in PMMA polymerization, take care that the polymerization is conducted to full completion since interaction with residual monomer can cause discoloration in the final application.

Attention:

Please mix thoroughly to obtain best effect. OB concentrated master batch can be even better mixed.
Safety and Stock:

Keeping in stock as ordinary chemicals. Wear protective goggles and gloves while applying. Avoid direct contact with skin and eyes. Soap clean if skin contaminated.

Packing:
*5kg / fiber drum with PE liner

Country: China
Model No: OB, OB-1
FOB Price: 17.5 ~ 26.5 / Kilogram Get Latest Price
Place of Origin: -
Price for Minimum Order: 17.5 per Kilogram
Minimum Order Quantity: 50 Kilogram
Packaging Detail: 25kg / fiber drum with PE liner
Delivery Time: within 15-20 days
Supplying Ability: 300 Metric Ton per Month
Payment Type: Western Union, L/C, T/T
Product Group : -

Send a direct inquiry to this supplier

To:

li < Tianjin Bestgain Science&Technology Co., Ltd. >

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