Minerals & Metallurgy Projects

Description
Coolcooler gel pack out performs ice and other gel packs. Originally designed to keep blood shipments cold, these packs have as much energy as a freezer! Packs are designed to phase-change at 18 degrees (go from solid to liquid). This releases the largest amount of energy at freezer temperatures to get your food and beverages cold quickly. Put them in the freezer at zero degrees (typical freezer temp.) for 24 hours and you will have portable cooling power that actually accelerates cooling (cools things down rather than try to keep them at the temperature they started at. CoolerShock is shipped to you dry. Simple add the water, zip it closed and permanently seal with an iron. Easy instructions included and video at CoolerShock web site. Pack turns to gel in 15 minutes. It last all day (24 hours) under constant use and opening and closing of your cooler (in size matched coolers listed at website) Great for fishing, boating, parties and tailgating. Add room temperature drinks and beer to your cooler and drink them at near freezing temperatures a few hours alter. Drinks and beer should not be left in direct contact with ice packs for a prolonged period as they will freeze. Sealed ready to use ice packs also available by Cooler Shock. ? SIZE:
250g,500g,1000g or customized. ?