Optical Brightener KCB

Optical brightener KCB is a colorless fluorescent dye. Under the irradiation of ultraviolet light, it can excite blue and violet light, which complements the yellow light on the substrate and has a whitening effect. Because the whitening of the Optical brightener KCB is an optical complementary color effect, the white or light-colored matrix treated by it can be whitened, brightened or brightened, so the fluorescent whitening agent is also called an optical whitening agent. Some call it polish, brightener, white dye and so on.

Optical Brightener KCB product detail:

Product Name:Optical Brightener KCB

Chemical Name:1,4-Bis(2-benzoxazoly)naphthalene

CAS No.:5089-22-5

C.I. No.:367

Molecular Formula:C24H14N2O2

Molecular Weight:362

Appearance:yellow crystalline powder

Melting Point:210-212°C

Purity:≥99%

Maximum UV Absorption Spectrum:370nm

Application:

Optical brightener KCB has a strong whitening effect, showing bright blue light. It is regularly used for whitening plastic products such as synthetic fibers, and also has evident whitening effect on non-ferrous plastic products. Optical brightener KCB is widely used in EVA, it is the first choice of Optical brightener for sports shoes, and it also has distinct whitening effect on coatings and natural coatings.

Package and Transportation:

Package:

10kg/20kg/25kg per fiber drum

450kg/500kg/675kg per pallet

We can also customize the package according to our customers’ requirements.

Transportation:

We can make shipment by road,by air or by sea.

By sea,LCL shipment and FCL shipment both ok.

FAQ：

1.How to confirm the quality before placing orders?

Firstly,we will send free sample for your test,once the sample quality

approved and you want to place orders,we will send PSS from batch

material.It means the order quality is the same as PSS quality.

2.How to get the sample?

Once we confirm you are our potential customers,we can send 100g free sample for your lab test.

If you want to more,but less than 500g,we still can offer free sample,but you have to pay the courier cost.

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