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"Our development team, development facility, and our commitment to the continual progression of technology and quality are second to none."

Sentinel Products Corp began building its foundation for success in 1942 as a small industrial design and manufacturing facility in Montclair, New Jersey. At that time, its primary capability was the design, engineering and production of Sentinel Heat Sealing equipment.

As the company grew, it developed blister pack machinery and thermoforming equipment. In the late sixties, it started the development of a product and system that would revolutionize the packaging market...low-density polyethylene foam. With a new facility in Hyannis, Massachusetts, Sentinel Foams and Envelope division was created.

After low-density polyethylene foam was discovered, technology progressed leading to the creation of crosslinked foams and metallocene-based elastomers. In 1994, Sentinel Products Corp began to focus solely on the manufacturing and development of polyolefin foams.

Today, Sentinel Products Corp is focused on developing a product line consisting of:

• Turnkey Foam Technology Solutions for the manufacture of foamed profile and sheet products specializing in Polyester (PET), Polypropylene (PP), ThermoPlastic Olefins (TPO's), Thermoplastic Elastomers (TPE's), Polystyrene (PS and Polyethylene (PE)

• Compounds and Additives, inclusive of Chemical blowing agents (CBA's) and pelletized talcs

• Moisture Crosslinkable Polymer Compounds utilizing proprietary silane grafting technology

• Foamed Sheet Products for automotive, industrial, and packaging applications

• Machinery and Equipment for foam producers


Development Team
The talent and experience of the Sentinel Development Team is the backbone of the corporation. Top engineers, scientists and consultants from around the world insure the continuous leadership in Foams Technology. Each application is analyzed by these experts to provide the best available technology for your application.

Development Facility
Sentinel Products Corp maintains a fully equipped lab and pilot plant for our scientists and engineers to develop compounds, products and processing techniques.

From high intensity mixers, roll mills, hydraulic presses to capillary and torque rheometers, melt indexing equipment and ash/gel testing equipment...these are all available to develop compounds and new processes. To complete the development cycle, several sizes of laboratory twin and single screw extrusion lines for sheet, profile and pelletizing are available to provide thorough analysis of the production compounds and materials.

Commitment to Quality
At Sentinel Products Corp we realize the final test is customer satisfaction. The products we manufacture must conform to strict quality guidelines established by You, the customer. The utilization of our state-of-the-art lab, pursuit of ISO 9002 certification, commitment from the Sentinel Development Team, and the pursuit of high quality standards will insure that we provide exactly what the customer ordered.