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 Chopping Blocks. The Chinese version of the cutting board, these chopping blocks are better than their Western counterpart, for not only are they anti-bacterial (as studies have proven), but the soft wood also does not dull knife blades like harder woods and plastics.