The amide group of polyacrylamide can have affinity and adsorption with many substances to form hydrogen bonds. High-molecular-weight polyacrylamide forms "bridges" between the adsorbed particles to generate flocs, which is conducive to the sinking of par
The Life-size Silicone Wax Figure is a super-realistic sculpture art called “stereo photography”. The Life-size Silicone Wax Figure art is closer to the original shape than the general sculpture. The characters it creates are often vivid, have a strong or
The DK-200B digital piano,Best Keyboard Piano 88 Keys Weighted,with ample and practical functions, brief but grand cabinet,as well as super large PCD display on the panel.With standardized 88-key hammer action keyboard and grand piano pedals,this PCD scre