overview the maximum absorption wavelength of uv absorber bp-3 is 287nm, and it also absorbs at 335 nm. it can absorb ultraviolet light from 270nm to …
background and overview[1][2] due to the destruction of the ozone layer, the intensity of ultraviolet radiation radiated to the ground continues to in…
uv absorber ultraviolet absorbers are a type of substance that can prevent polymer degradation caused by sunlight or other artificial ultraviolet ligh…
overview[1] uv absorber uva is a light stabilizer. it is a kind of substance that can absorb the ultraviolet part of sunlight or fluorescence source w…
overview ultraviolet absorber is a kind of light stabilizer that can absorb the ultraviolet part of sunlight and fluorescent light sources without cha…
foreword ultraviolet absorber is a kind of light stabilizer that can absorb the ultraviolet part of sunlight and fluorescent light sources without cha…
background and overview[1] potassium carbonate is also called potassium alkali and alkali sand, and impurities are called potassium alkali, bead ash, …
potassium carbonate, white crystalline powder. density 2.428g/cm3. the melting point is 891°c, it decomposes at the boiling point, and the relative mo…
potassium carbonate is an excellent water-soluble fertilizer. it is widely used in agriculture and has obvious effects. it can quickly increase the gr…
background technology potassium carbonate is an important basic raw material for inorganic chemicals. it was successfully developed and put into indus…
background and overview[1] laureth-4 is a polyether defoamer. polyether defoamer is a major variety of defoamer at present. it is non-toxic, odorless,…
[background and overview][1] pyrethroid insecticides were put on the market in the 1990s and caused a sensation at the time due to their excellent pro…