Tienda de WZMEIERNUO wenzhou meiernuo chemical co ltd

Martes 16 marzo 2010

Cantidad : more and m - Precio : bargaing

Fiber reactive dyes containing molecules react with the active groups. In the dyeing and printing process, the dyes and fiber reactive groups to form covalent bonds with molecules, making dyes and fibers to form a whole. Reactive dye is a mother, reactive group and connecting the...