Relining is a method used for renovating tap water pipes in a building or in the ground by covering the interior of the existing pipes with a thin layer of plastic. This layer of plastic might be an epoxy-based material or another material.
Ban on two-component epoxy which contains bisphenol A or bisphenol A diglycidylether
In Sweden, there is a ban on certain epoxy-based materials when renovating tap water pipes by means of use a relining. According to the ban, two-component epoxy which contains bisphenol A or bisphenol A diglycidylether must not be used when casting new plastic pipes within old tap water pipes. The ban only applies to chemical products that consist of a base and a hardener which are mixed at the place of the casting.
Prevent bisphenol A in tap water
Epoxy-based materials which are used when renovating tap water pipes may contain and emit bisphenol A (BPA). In this context, tap water pipes refer to pipes intended for drinking water and hot water for consumption.
Bisphenol A is a substance with endocrine disrupting properties, and also classified as toxic for reproduction. At present the recommended concentration of bisphenol A that may cause negative effects for human health is debated and it is believed that effects may occur at even much lower concentrations. To prevent that bisphenol A is emitted into tap water, a Swedish ban on usage of certain epoxy-based materials in new renovations of tap water pipes by means of use a relining, applies from the 1 September 2016.
Exemption from the ban
If there are special reasons, the Swedish Chemicals Agency may grant an exemption from the ban. We may only grant exemptions for individual cases.