Company Name : Dongshin Chemical Co.,Ltd.About Us : <br> <br>Dongshin Chemical Co.,Ltd., Dongshin Chemical Ltd. are one of the leading company of dye manufacturing for plastic which are well organized and very specialized in Optical Whitening Agent, OB-1. Please refer to the characteristic of our OB-1 as below ; <br /> <br />1. It is used for Polyester fiber, Polyvinyl Chloride, Polypropylene, ABS, Polyacyl Nylon and other plastics. <br />2. It can be added in any necessary process for optical whitening treatment. <br />3. It is absolutely not soluble in water and soluble in organic solvent. <br />4. It is easy to use by making up for faults of other whitening agent which has high melting points. <br />5. It is very strong at heat-resisting property so, it is used in the process requiring high temperature. <br />6. Optical whitening agent is a bit sensitive at sunlight but OB-1 is not effected a lot even though it is exposed to sunlight. <br /> <br />If necessary, we will send you free sample immediately. <br /> <br />Please kindly visit our website at http://dongshinchem.com for your further study. <br /><br><br>Product/Service : dyes, ob, optical brightener,pigment Category : ChemicalsContact Person : Dongsik KimLink More : Telephone : Fax : Address : 317-3, Jang-dong Dalseo-gu Daegu 704-190 KoreaWebsite : http://www.dongshinchem.comBusiness Type : Manufacturer