The SPE panel (SPE-5000) is made by attaching a LDPE sheet on a stainless steel plate (STS304) using a special glue. It is a patented innovative waterproof material for water tanks.
The SPE panel (SPE-500) has no weak points of previous waterproof methods, such as separation of coating of epoxy resin at the wet surface, generation of environmental hormones due to cracks of concrete structures and dissolution of heavy metals, corrosion of stainless steel lining due to chlorine, and transformation of physical properties of materials due to argon welding and corrosion at the back side due to...