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Optical brightener OB-1

The Details of "Optical brightener OB-1"

Optical Brightener OB-1
Appearance:Light yellow-Green crystalline powder
Max.UV absorption wavelength:374nm
Performance characteristics:
Bluish tone;High melting-point makes it can stand high temperature of 375℃,especially suitable for high melting point plastic such as PET;Insoluble in water,slightly soluble in ethyl alcohol,DMF,benzene,methylbenzene and so on;Heat-resistant,light-resistant,oxygen bleach-resistant,mobility-resistant,acid-resistant and alkliresistant;Low toxicity allows it can be applied to whiten the package of food and children toy.
OB-1 has excellent whitening effect and stability,it can be compatible with other polymer,widely Applied for ABS,PS,HLPS,PA,PC,PP,EVA and PVC rigid plastics;
OB-1 is applied to correct polyester filaments.When added into Polypropylene,Polyamide, nylon and polyester,It can improve whitening effect;
When added into recycle polyester fiber waste,bottles and slice,it not only improves the whitening effect of them,but also makes their tones whitened and uniform.
Recommended dosage:
Transparent product:0.0025-0.005%;Opaque product:0.01-0.03%.
It can be made into 1%-10% concentrated color master batch and then added into products as per proportion.
Package:N.W.20kg/25kg fiber drum or PE bag