COES manufactures high density Polyethylene (HDPE),Polypropylene (PPR), Accoustic pipes (Bluepower) for drainage application. Coestilen is the drainage system for welding made of polyethylene which is exceptionally elastic and resistant to mechanical stress and vibrations. The diameter of pipes and fittings ranges from 32 to 315mm.

PE also exhibits characteristics that includes:
Excellent resistance to operating temperatures (-40 C to +70 C, with the capacity to handle peaks of upto +95 C
Guarantee against fracture due to prolonged use.