STER PLAS Polyester Plastik Sanayi ve Ticaret Ltd. Şti.

Sterplas Polymer & Composite Technologies has been a trusted manufacturer in the global swimming pool and water filtration industry since 1986.

With deep expertise in Glass Fiber Reinforced Polyester (GRP) production, Sterplas supplies high-performance composite products to leading pool brands and distributors worldwide — including many well-known market leaders in Turkey and Europe.

Main Capabilities & Products

GRP/CTP Swimming Pool Sand Filters (Ø 450–1200 mm)

Industrial Water Filtration Vessels

Custom-engineered composite pressure tanks

Project-based OEM & private label solutions

Mold & composite part manufacturing

Production Excellence

Production since 1986 in Istanbul, Turkey

ISO-standard quality management & strict pressure testing

Advanced composite molding technologies

High chemical, UV and pressure resistance for long lifecycle performance

Trusted OEM Partner

Supplying world-class pool brands across Turkey and Europe — including market leaders in filtration systems and pool equipment.

Sterplas is the hidden manufacturer behind many of the most recognized brands in the pool sector — delivering reliable products with excellent surface finish, durability and competitive pricing.

Industries & Markets

Swimming Pool & SPA Systems

Water Treatment & Biological Filtration

Construction / Infrastructure Projects

Sterplas continues to expand its global export network — serving Europe, the Middle East, Africa and North America with fast logistics and dedicated support.

With in-house mold design, advanced production capabilities, and strong export experience, Sterplas supports long-term partnerships in both domestic and international markets.

info@sterplas.com