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Brightener brightening agent fabric brightening agent manufacturer optical brightener 4bk optical brightening agent 4bk whitening agent for cotton fabric us $3.00$3.50 / kilogram

Americos white r liquid is fluorescence brightening agent for polyester fibers. it gives brilliant whitening effect which has good fastness to sublimation, light and wet processing. it can be applied by high temperature exhaust or pad-thermo sol method and suitable for whitening effect on texturised polyester and polyester / cotton.

Typical optical brightener for textiles is er-i, er-ii, 4bk. er-i is also known as fluorescent brightener 199. it’s used in whitening and brightening polyester fiber. er-ii is also known as fluorescent brightener 199:1, used to whitening polyester, polyester/cotton, polyester/yarn, polyester/linen, and other blended fabrics. both cas number is 13001-39-3 and could be in …

China solvent dye (solvent red 149) for plastic, find details about china ink, fluorescent pigment from solvent dye (solvent red 149) for plastic…

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