American Glass Research

We offer oils with standard densities available for use in the Density Comparator, a device that provides a fast, reliable measurement of glass density.  Also, by mixing the heavy and light density oils custom oils can be created for use in the Density Comparator. For more information on density oils, contact us.

We primarily serve the glass packaging industry both glass manufacturers and end-user/fillers, which include the food, beverage, tableware, cosmetics, and pharmaceutical industries. Secondarily, we serve the tempered ware, kitchenware, and candle containers industries.  Additionally, we serve the flat glass, automotive glass, specialty glass, and even the ceramic/whitewares markets. We are an ISO 17025 accredited laboratory. The certificate and scope of accreditation are shown below.

Below is a list of our services-ranging from preventative quality assurance to first response problem solving:

• Glass Composition
• Heavy Metal Testing
• Raw Material
• Stone Analysis
• Physical Properties
• USP/EP Testing
• Annealing & Tempering
• Coatings
• Contamination

AGR primarily serves the glass packaging industry inclusive of both glass manufacturers and end-user/fillers. This encompasses the food, beverage, tableware, cosmetics, and pharmaceutical industries. Secondarily, we serve the tempered ware, kitchenware, and candle container industries.  Additionally, we serve the flat glass, automotive glass, specialty glass, and even the ceramic/whitewares markets.

Below is a list of our of our Testing Services-ranging from preventative quality assurance to first response problem solving:

• Performance Testing 
• Design Analysis
• Product Liability
• Fracture Diagnosis
• Glass and Packaging Technology Issues
• Tableware/Candle Testing

We offer many additional services as the need arises. As a well-equipped laboratory with comprehensive expertise, and a heritage dating back to 1927, we are fully qualified to meet the diverse needs of the glass industry.

Poly Test Slurry® identifies the presence of polyethylene coatings on the finish 
of the bottle, which can result in serious closure problems.

Poly Test Slurry provides quick and simple detection of polyethylene coatings through the act of submersing the finish of the bottle into the mixture and observing the results.

If polyethylene on the finish is a concern with your ware, an easy and cost-effective solution for identifying it is now available. For more information or to order your supply of Poly Test Slurry, contact us.

Glass Testing Equipment

Agr International has developed innovative glass container inspection equipment since its inception, providing glass manufacturers with advanced technologies that ensure product quality. Agr has been the industry leader in container inspection, verification, and research for over 65 years. As a full-service supplier to the glass industry, Agr International offers equipment, training and complete product support from multiple locations throughout the world.