中文字幕久久久亚洲中文字幕|影音先锋aⅴ亚洲中文字幕|免费少妇a级毛片人成网|成人无码一区二区三区

First, brief introduction
white goods generally visible light medium Blue light has a short wavelength side of the absorption of light slight, so the surface is slightly yellow, affect the whiteness, the existence of this problem, like white plastic or white ink coating, the elimination of plastic or ink coating becomes yellow in One effective method is to add Optcial whitener. Optcial whitener, capable of absorbing a wavelength of 300-400nm violet outside, converts the absorbed energy, radiate 400-500nm violet color or Blue color Fluorescent, which make up the article to be absorbed by the Blue light, resulting in total reflection of white goods uniform effect fruit, mention high whiteness without reducing bright degree, in addition, add a small amount of ordinary Pigment medium Whitener, there is increasing Brilliant whitening effect fruit. Currently, Optcial whitener there are dozens of varieties of common, now a few brief (see catalogue).

Second, Uses
1, the general plastic or ink coating medium, Whitener join a relatively small amount, it should be thoroughly dispersed, so Whitener evenly distributed throughout the polymer medium.
2, generally dosage: When used in plastic, with Whitener OB-1, for example, is generally 0.0025-0.025%, with Whitener 127, for example, is generally 0.01 to 0.05%, if used for PS medium, dosage 0.001 0.005%.
3, should use gloves and protective glasses, avoid direct contact with the skin, if stained skin, plus soap and rinse immediately with water.

Third, Application and Transport
1, Application: General Application of 20kg / drum or 25KG / drum, can also be 10KG / drum or 15KG / drum, there 5KG / box, are fiber drum or carton Application, Application of minimum 1KG / bag.
2, Transportation: the agency checked, road near home delivery.