Tin Baths for Flat Glass Production - StewartFloat®

In their third decade of operational service, StewartFloat® Tin Baths continue to be the key to success in the float glass industry

Premium Quality Float and Specialty Glass

The StewartFloat® tin bath enables manufacturers to produce float glass with repeatable and accurate thicknesses between 0.5mm and 25mm. Stewart's superior design and operational know-how allows customers to operate with reduced utility costs, reduced defects, and increased throughput.

3D CAD model of StewartFloat® Tin Bath including an AcuraCoat® CVD glass coater and top roll machines.

StewartFloat® Technical Capabilities

Glass CompositionSoda Lime, Low Iron, Borosilicate, Aluminosilicate Tonnage Range50 - 1200 MTPD Tonnage Control2 Automatic Redundant Tweels Glass Thickness Range0.5 - 25 mm Glass Thickness Control4 - 12 Pairs of Automatic Top Roll Machines Glass Width Range2000 to 5200 mm gross ribbon width Cooling4 - 12 Glass Coolers Heating25 - 40 Heating Zones Video Monitoring8 - 32 Process Control Cameras Process Length15 - 100 meters Process Width5 - 9.5 meters

StewartFloat® Image Gallery

StewartFloat® Product Applications

A Stewart Engineers variety of glass coatings including colored, anti-reflective, and ultra-clear glass

Coated Glass

StewartFloat® tin baths are designed to interface with Stewart's CVD coating systems in order to produce value-added coatings such as photovoltaic, energy saving architectural, and appliance glass.

Low-Emissivity architectural float glass windows for all types of buildings

Architectural Glass

StewartFloat® tin baths can yield thicknesses within the common range of 3 - 25mm used for architechtural glass. Thicker glasses are often used for specialty architectural applications such as impact resistant glass.

Automotive quality float glass surrounds this white commercial transport bus

Automotive Glass

StewartFloat® tin baths produce high quality, low defect glass needed for automotive applications. Automotive glass is commonly tinted, laminated, and bent.

An electronic tablet with a screen that utilizes ultra-thin float glass

Electronic Glass

StewartFloat® tin baths can produce glass as thin as 0.5mm, a common thickness for electronics screens. Specialty glass compositions containing borosilicate and aluminosilicate are possible.

StewartFloat® Customers

StewartFloat® tin baths have helped many independent float glass manufacturers achieve lasting success. Stewart has built 23 tin baths to date, all of which are still operational today. This track record establishes us as the premier choice for new and existing manufactures who want to produce high quality float glass profitably. Below are a few of the companies who use StewartFloat® tin baths.

Sangalli Group corporate logo

Sangalli Group

Founded in the 1950s. First independent float glass producer in Italy

China Southern Glass corporate logo

China Southern Glass

Founded in 2005. One of the largest glass manufacturers in China

Kaveh Glass corporate logo

Kaveh Glass

Founded in 1985. Largest glass manufacturer in Iran

Mulia Glass corporate logo

Mulia Glass

Founded in 1986. Largest glass manufacturer in Southern Asia

Vivix CBVP corporate logo

CBVP (Vivix)

Founded in the 1930s. One of the most modern float glass plants in the world located in Brazil

StewartFloat® Technology

The StewartFloat® System includes specialty tin bath technology and a customized design package with respect to tonnage, thickness, ribbon width, and automation level. The StewartFloat® tin bath produces cutting-edge glass products for applications including architectural, automotive, and specialty products.

Stewart Engineers has independently developed its proprietary StewartFloat® float glass technology and has successfully commissioned over 20 facilities in 11 different countries. All are producing premier quality float glass comparable to the leading Western manufacturers. For each project, Stewart Engineers customize the tin bath design to suit the customer’s market and demands while integrating the latest innovations.

StewartFloat® Tin Bath Downloads

StewartFloat® Float Bath Furnace Brochure

StewartFloat® Float Bath Furnace Brochure

Stewart Engineers is the world leader in customized float bath furnaces. There are over 25 proven…

StewartFloat® Temperature Profile

StewartFloat® Temperature Profile

The StewartFloat® Temperature Profile Control system is a fully integrated solution that continuously and automatically maintains a cross ribbon temp…

Stewart Engineers General Contracting

Stewart Engineers General Contracting

Stewart Engineers has been servicing the Glass Manufacturing Industry since 1986 with: Multi-Discipline Engineering, Project Management, Sales and Marketing Services, Construction…