... :not environmental and nonflammable.Once flambe,it will produce chloration,what will do bad to the environment.PS:a.Advantage:very easy ... material.Always molded into trays,including flocky trays.Widely used in electron,medical,food,cosmetic,hardware and so on.b.Disadvantage ... Advantage:high melting point and can be microwaveable.Widely used in food packaging.b.Disadvantage:shrink material,not easy to be ...