Material of beer equipment: stainless steel or plastic. Wall: single or double. Type: 1.5L,2L,5L,8L,10L,15L,20L,30L,50L. It ... is a necessery part of various breweries.Plastic beer kegcan keep beer fresh ... material which has no harm for containing beer and otherliquid drinks. The thermal insulation layer is made of exported PUR material. Beer keg