The combination of PA+ frozen toughened PE material can better protect your product and not easily Pierce the bag.
Can withstand freezing at minus 18 degrees.
You can print your LOGO and other information.
Food grade raw materials, safer, more sanitary, more environmental protection.
Ice pack or gel pack is a portable plastic sac filled with Super absorption polymer powder inside. need you filling water then freeze for 6-12hours to solid.For use the contents are frozen in a freezer.
Both ice and other non-toxic refrigerants (mostly water) can absorb a considerable amount of heat before they warm above 0 °C, due to the high latent heat of fusion of water.
These packs are commonly used to keep food cool in portable coolers, or as a cold compress to alleviate the pain of minor injuries; or in insulated shipping containers to keep products cool during transport.