Laboratory test tube ZKG series

with screw cap

•Medical-grade material •Large label for better notes •High transparency with scale •Silica-gel square joint ring •DNase and RNase free Medical-grade material, temperature range from -196℃ to 121℃ Large label for better notes High transparency with scale for better observation of samples Silica-gel square joint ring to assure sealing DNase and RNase free No endotoxin or pyrogen Gamma irradiation sterilization Endure centrifugal force to 17000*g Round or self-standing (star-shape or parenthesis-shape) tube bottom Internal/External Thread: Sizes vary from 1.0 to 5.0 ml Six different colors for color labeling (red, yellow, white, green, blue, light green) Packed with hermetic bags Batch numbers are printed on the product package for tracking Outer box can hold 200-lbs pressure to assure transportation Safety. Freezer Boxes Various sizes of Boxes are available for storing cryo tubes commonly required in Biobanks. Product features Medical-grade high-transparent PP/PC materials of high endurance Temperature range of -86℃ and -196℃ to 121℃, the boxes are designed to handle liquid nitrogen temperature of -196℃. To sterilization temperature of 121℃ under pressure without losing their integrity Transparent lid designed for the convenience of observing samples in the box Grid and number codes are printed on the lid for storage management to avoid mistakes when storing and retrieving of samples The box has pre-designed gap for fast cooling or liquid outflow of samples This design also prevents frosting from foaming Special design of edges and angles to ensure proper lid closing Standard dimension design suits all standard freezer racks