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  • Optical Brightener Ob 1 For Pp Plastics - China

    price: contact company for price

    Product Name

    Optical Brightening Agent OB- 1

    Chemical Name

    2.2’- ( 4.4’- diphenol vinyl) dibenzoxazol

    CAS No.

    1533- 45- 5

    C. I. No.


    Structural Formula

    Molecular Formula


    Molecular Weight


    Technical Index

    Appearance: yellowish green powder

    Melting Point: 357~359°C

    Purity: ≥ 99%


    Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.

    For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, PET, EVA, PVC, etc.

    Rate of use: ( per 1000kg of substrate)

    Polyester: 75- 300g

    EVA, PP, nylon: 75- 200g


    25kg per fiber drum

    Company Contact:

    • Phone: 008618653172275

    • Address: No. 399 Hualong Road, Jinan, Shandong Province, Jinan, China

    • Email: Email

    Published date: August 31, 2015 -

    • Business Description: We mainly produce optical brightner,2 Aminophenol CAS 95 55 6,o nitrophenol CAS 88 75 5,2 Amino 4 tert butylphenol CAS NO 1199 46 8,Thiophene 2,5 dicarboxylic acid CAS NO 4282 31 9,Terephthaldicarboxaldehyde CAS NO 623 27 8.

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