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Optical Brightener KCB is also called 1,4-Bis(2-benzoxazole)naphthalene. As a brightener. It is suitable for the whitening of synthetic fibers and plastic products, especially for the whitening of EVA.can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter. Optical Brightener KCB mainly used in comprehensive application field, good compatibility with all kinds of plastic, excellent stability under all kinds of climate.

Optical brightener PF is also called 2,5-bis(5-methyl-benzoxazol)-ethene. Optical Brightener PF is mainly used in increasing the brightening and beauty of PVC,PS,PP,polyester film, high or low voltage PE,ABS, organic glass, business card,high quality paper,etc. The recommended concentration is 0.05-0.5%, depending on the application and the desired whiteness.

It also can be called 1,4-Bis(2,4,6-trimethylanilino)anthraquinone ; 1,4-Dimesidinoanthraquinone ; C.I. 61568 ; Estofil Blue S-RBL ; Fat Soluble Brilliant Blue Anthraquinone ; NSC 135500 ; Nitro Fast Blue 2B ; Polysynthren Blue RBL ; Sandoplast Blue 2B ; Solvaperm Blue 2B ; Solvent Blue 104 ; 1,4-Bis(mesitylamino)anthraquinone ; 9,10-Anthracenedione, 1,4-bis((2,4,6-trimethylphenyl)amino)- ; Anthraquinone, 1,4-bis(2,4,6-trimethylanilino)- (8CI) . It is a dark blue powder with slight odor. Solvent Blue 104 Purity 99%min with CAS No 116-75-6Send Inquiry

Phthalocyanine blue is also known as Copper Phthaloc yanine blue; Monstral Fast blue; Winsor Blue; Bocour blue; Talens Rembrandt Blue; Thalo Blue; Heliogen Blue.Phthalocyanine blue is a permanent pigment which is unaffected by light, heat, and chemicals. It is used as a colorant in inks, enamels, plastics, paints, chalks, leather, pencils, and photographs. In industry, phthalocyanine blue has replaced all other blue pigments for use in coatings because it is lightfast as well as resistant to chemicals and clumping.
A synthetic organic colorant composed of copper phthalocyanine that was first synthesized in 1933. In 1935, copper phthalocyanine called Monastral blue [ICI] was marketed as a paint pigment .
The organic colorant is usually adsorbed on an aluminum hydrate base to form a deep blue color. Other colors are achieved by varying the formulation, i.e., chlorinated copper phthalocyanine produces a green colorant.

Pigment Violet 23 is a transparent purple pigment with high saturation and high tinting strength. C.I. Pigment Violet 23 has better tinting strength in soft PVC, but poor migration resistance. P.V.23 heat resistance above 230℃ in polyolefins. When used in transparent polystyrene, the temperature should be lower than 220°c, above which PV 23 should decompose. When processed in polyester, the temperature is 280℃, stable within 5 hours, and the concentration is above 0.05%. Pigment Violet 23 Purity 99%min with CAS No 6358-30-1

Ultramarine Blue is a saturated, semitransparent, dark, violet-leaning blue.Ultramarine is a complex sodium silicate containing sulfur and aluminum with the chemical formula Na7Al6Si6O24S3. The intense and distinctive blue color is caused by the unpaired electrons in the sulfur radical anion s3-. Ultramarine has heat and alkali resistant properties. It is chemically stable under normal conditions and resistant to high temperatures.The pigment is also resistant to alkaline solutions and can therefore be used in frescoes. It is usually be used as a colourant and optical brightener for plastics, rubber, inks, color painting, textiles, paper, cosmetics, detergents, cement and architecture.Ultramarine's unique property of flocculation—the tendency of its particles to clump up together—give it a lively granulating texture in washes. Ultramarine Blue Purity 99%min with CAS No 57455-37-5.