SURFACE-COATING CONSTRUCTION AND METHOD OF A DRAIN PIPE

摘要

PURPOSE: A surface coating construction method of a drainpipe is provided to maintain a coating state in semi-permanently. CONSTITUTION: A surface coating construction method of a drainpipe is comprised of spraying the drainpipe with a first coating material and hardening the drainpipe, a second coating material and then the third coating material. The first coating material is a mixture of a two liquid type acrylic resin and hardener.