gel ice pack.ice brick

lce pack can keep vaccines, blood bags, medicines and biological product at the low temperatures for long periods, non-toxic Ice pack can keep vaccines, biood bags, medicines and biological product at the low temperatures for long periods, and it used in the related use, such as food and drinks. Solidity strength: Free from any damage when falling from 2m height when frozen, and is able to pass any leakage test after melting. Leakage test: Leakage-free under 80Kg external force application. Freezing features: when frozen into solid.The maximum box thickness is no more than 9% that under unfrozen status The product is energy saving and environmental protection, it can be injected water or gel cooling liqid.