Test tube rack

Specification: octagon base side to side length 23cm, cover diameter 15cm

Material: ABS engineering plastic material, composed of base and removable round cover plate

Appearance: on the base, there are 18 columns with a diameter of 9mm, 18 columns are distributed in a circle; the middle is equipped with a diameter of 10 mm, and 4 columns are distributed in a square shape, which are used to support the cover plate or place the test tube; one circle of the base is provided with a water groove. The detachable round cover plate is used together with the base of test tube rack; the cover plate has four circular holes with diameters of 14mm, 17mm, 20mm and 22mm, and one round hole with a diameter of 40mm, which is used to place test tubes of different sizes. The circular holes of the cover plate and the base are provided with circular grooves to fix the test tubes. The surface of the whole plastic part is smooth without scratches, shrinkage marks, bubbles, dissolving traces, powder burning and entrainment, and there is no burr, deformation, broken edge, uneven edge and obvious gate flash on the edge.