Ideal for use with non-aggressive or concentrated solutions.
Information 1. Application: White rubber stoppers are mainly used for laboratory reagent bottles to prevent leakage or secondary pollution. When using, put the rubber stoppers into the corresponding bottle mouth.
Description: (1) Chemical instruments without grinding mouths can generally be sealed with white rubber plugs. (2) Rubber plugs have different sizes and specifications, the larger the number, the larger the volume. (3) The white rubber stopper can be punched through a hole punch and inserted into a glass tube to form a connection device, which can lead out the gas in the sealed container. 3.Size(Upper Diameter*Lower Diameter*Height): 37*28*30mm,42*32*30mm,68*55*38mm,73*60*41mm,101*82*49mm,118*92*56mm