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iSuoChem^® Pearl Pigment and Glitter Powder

Optical brightener KCB appears as a vivid yellow-green powder, odorless and exhibiting insolubility in water. Moreover, iSuoChem KCB showcases excellent resistance to both light and heat, and it remains unresponsive to foaming agents, cross-linking agents, and similar substances. Additionally, it does not exude or undergo extraction. Notably, its spectral absorption wavelength measures 370nm.

Specifications:

Product Name: Optical Brightener KCB, Fluorescent Brightener KCB.

Chemical name:1,4-bis(benzoxazolyl-2-yl)naphthalene
CAS NO. 5089-22-5
C.I. NO. 367
Molecular formula: C24H14N2O2
Molecular weight: 362g/mole

Key Attributes of Optical brightener KCB:

• Strong whitening effect, and bright color.

• Outstanding stability (Good heat resistance, light resistance, weather resistance, migration resistance, and chemical stability).

• iSuoChem KCB series optical brightener has good compatibility with polymer materials.

Applications:

Optical Brightener KCB, is also called KCB Fluorescent whitening agent. 

1. KCB is mainly used for whitening synthetic fibers and plastic products.
2. KCB also has obvious brightening effects on colored plastic products.
3. KCB is widely used in plastic films, film molding materials, injection molding materials, etc.
4. KSN has a good whitening effect on polyolefin, PVC, foamed PVC, TPR, EVA, PU foam, and synthetic rubber.

Packing and Quantity:
25kgs fibre drum, around 5.25mts/20’fcl without pallet.
Storage: Keep Optical brightener KCB powder in cool and dry place, far away from high temperature and sunshine.

Recommended dosage: 

0.005%~0.05%,  and the specific dosage should be adjusted according to the formula.

The dosage is recommended for plastics as below:

PS : 10-20g per 100kg plastic raw material.

PE, PP : 10-25g per 100kg plastic raw material.

PVC, ABS and EVA: 10-30g per 100kg plastic raw material.

Transparent plastic film: 1-10g per 100kg plastic raw material.