JINAN SUBANG FINE CHEMICAL CO., LTD

Shandong, China

Optical Brightening Agent OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing. Specifications: Appearance: Yellowish or yellowish green crystal powder Assay: 99% min. Melting Point: 196-203 Ash: 0.3% max. Volatile Content: 0.3%max. Particle size: 200 meshes Max. Absorption Wavelength: 375nm(in ethanol) Application: It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA, PE, PP, Paint, coating, printing ink and so on. Packing: 25kg / fiber drum with PE liner

Optical Brightening Agent OB-1 is used widely in the plastic market. Because of its excellent brightening ability, good thermal stability, and compatibility with many polymers. Specifications: Ash % 0.3max Empirical Formula C28H18N2O2 Melting Point(DTA), C 353-359 Appearance Yellowish Green Powder Odor Free of odor Volatile Content % 0.3max Assay % 99.5min Particle Size 200 meshes Application: 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

Optical Brightening Agent CBS/FP-127 is a highly purified optical brightener applicable to polymer, paint, printing ink and artificial fiber. It presents blue fluorescent light in all the polymers. Specifications: Appearance: light yellow color crystal powder Assay: 99%min. Bulk density: 1.23g/cm3 Melting point: 216-222 Ash: 0.3%max Volatile content: 0.3%max Particle size: 200 meshes Max. absorption wavelength: 375nm(in ethanol) Spectrophotography: max.(DMF) 364nm

Specifications: Appearance: Yellowish or yellowish green crystal powder Assay: 99% min. Melting Point: 196-203 Ash: 0.3% max. Volatile Content: 0.3%max. Particle size: 200 meshes Max. Absorption Wavelength: 375nm(in ethanol)

Specifications: Ash % 0.3max Empirical Formula C28H18N2O2 Melting Point(DTA), C 353-359 Appearance Yellowish Green Powder Odor Free of odor Volatile Content % 0.3max Assay % 99.5min Particle Size 200 meshes Application: 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 Package: 25kg / fiber drum with PE liner

Optical Brightening Agent CBS/FP-127 is a highly purified optical brightener applicable to polymer, paint, printing ink and artificial fiber. It presents blue fluorescent light in all the polymers. Specifications: Appearance: light yellow color crystal powder Assay: 99%min. Bulk density: 1.23g/cm3 Melting point: 216-222 Ash: 0.3%max Volatile content: 0.3%max Particle size: 200 meshes Max. absorption wavelength: 375nm(in ethanol) Spectrophotography: max.(DMF) 364nm