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An increased demand for mold manufacturing in the U.S. created a need for injection molding firm Polymer Technologies Inc. (PTI) to add moldmaking capabilities to its Clifton, NJ, custom molding facility. The company announced the acquisition of its primary tooling supplier, Polmold, a Wallington, NJ-based moldmaker with six veteran moldmakers who have more than 80 years of combined experience in injection mold design and construction. The acquisition is expected to close this month.

Clare Goldsberry

February 9, 2012

4 Min Read
PTI acquires its moldmaker, brings toolmaking in house

An increased demand for mold manufacturing in the U.S. created a need for injection molding firm Polymer Technologies Inc. (PTI) to add moldmaking capabilities to its Clifton, NJ, custom molding facility. The company announced the acquisition of its primary tooling supplier, Polmold, a Wallington, NJ-based moldmaker with six veteran moldmakers who have more than 80 years of combined experience in injection mold design and construction. The acquisition is expected to close this month.

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PTI moldmaking

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Polmold shopfloor

Neal Goldenberg, PTI president told PlasticsToday that his company has worked with Polmold for many years and know the level of quality Polmold provides and the talent the company employs. "We've always outsourced our mold construction and repair, and have worked with a variety of mold shops, but there's nothing better than having a supplier nearby that you sit across the table from and speak with personally - it's a great relationship," Goldenberg stated.

Polmold was founded by Henry Marzec in the 1980s, and has been the supplier of molds to a number of molding companies, but is a principle supplier to PTI, in a long-standing relationship with PTI and its founder, Melvyn Goldenberg. Marzec commented, "We are very pleased to join forces with PTI and the Goldenberg's."

PTI's business has been steadily increasing, and with it the demand for molds from its customers as work continues to migrate back to the U.S. from offshore. Melvyn Goldenberg, PTI's founder and Neal's father added, "We have been pleased to see a strong resurgence of tooling work being done here in the United States. Much of this is due to the realization that the cost-savings from work done overseas in places such as China didn't pan out the way people had hoped it would when variables such as lost time and additional costs of rework were not calculated into the original equation. Further, given the size of some of the tooling, transportation and import fees, outsourcing has become very cost prohibitive."

PTI is a custom plastic and metal injection molding (MIM) company that provides contract manufacturing services to the aerospace, defense, medical/surgical, automotive, commercial, consumer electronics and dental industries. "The advantages of having a moldmaking subsidiary means it's another arrow in the quiver, and we have a number of customers whose molds were built by Polmold," Goldenberg said. "Having the knowledge base in place with the people who built the tool in the first place is extremely valuable to us."

Polmold manufactures precision injection molds for both plastic and MIM processes.

Goldenberg said that PTI has never had in-house moldmaking services and the addition of Polmold as a subsidiary will strengthen its position as a "one-stop shop" while continuing to supply the company with the type of molds that PTI requires for the types of high-end engineering thermoplastics the company processes. 

"Our expertise is in high-performance plastics for very demanding applications for aggressive environments," Goldenberg said.  "Processing materials such as PEEK and PPSU is our forte, so designing and building molds with hot runner systems for those materials is a challenge. Polmold knows how we need these molds built. For example we prefer hot oil for these types of molds."

Polmold has five CAD/CAM work stations, four late-model CNC machining centers, seven CNC milling machines, two wire and three sinker EDMs, and well as a grinders, lathes, and QC inspection equipment. The company will continue to produce molds for its other customers as well. In addition to building injection molds for plastic and MIM, Polmold has expertise in construction and repair of molds for compression and investment castings applications, as well as providing associated tools, dies and fixtures.

Polmold will remain at its current location for the time being, however Goldenberg said that PTI is preparing a 15,000-sq-ft space in the company's 150,000-sq-ft facility into which Polmold will move. PTI's facility contains 24 injection molding machines ranging from 38 to 650-tons and employs 71. The company offers design, engineering and manufacturing services supported by Mold Flow analysis.

"Our vertical integration of this critical technology into our operation will truly make us a complete solutions provider for any engineered injection molding application," commented Goldenberg. "This acquisition represents a real value proposition that we can bring to our customers."

About the Author(s)

Clare Goldsberry

Until she retired in September 2021, Clare Goldsberry reported on the plastics industry for more than 30 years. In addition to the 10,000+ articles she has written, by her own estimation, she is the author of several books, including The Business of Injection Molding: How to succeed as a custom molder and Purchasing Injection Molds: A buyers guide. Goldsberry is a member of the Plastics Pioneers Association. She reflected on her long career in "Time to Say Good-Bye."

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