Insulator may refer to: 1  Insulator (electricity) , a substance that resists electricity. 2  Insulator (genetics) , an element in the genetic code. 3  Thermal insulation, a material used to resist the flow of heat.4  Building insulation, a material used in building construction to prevent heat loss.nsulator may refer to: 1  Insulator (electricity) , a substance that resists electricity. 2  Insulator (genetics) , an element in the genetic code. 3  Thermal insulation, a material used to resist the flow of heat.
However plastic cutting boards can harbor bacteria as much as and even more than wood, especially when they get furry from long-time use. But for certain duties plastic boards are recommended, such as keeping a separate color-coded one for each type of protein -- fish, poultry and meat. Glass Cutting Boards -- Avoid.
Chinese Ironwood Round Chopping Boards. The Chinese call this wood Ironwood for its density and hardness (a 13 x 1.5 block weighs 8 lbs.) These are the very best cutting boards the Wok Shop offers. The metal ring allows for easy storage; to hang (board should be stored on its edge, not flat). Beautiful dark grain â 1.5 thick. Use both sides.