Impression material is the material used when taking a negative impression of the oral cavity. This material of dental impression kit wholesale should be elastic, with good fluidity and plasticity; stable physical properties after solidification, no change in shape and volume; appropriate solidification time; easy to take out from the oral cavity after solidification; no chemical change with the model material, easy to separate; easy to operate, Cleaning and disinfection; and non-irritating to oral tissue.