RIM (Reaction Injection Molding) for Gatan

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RIM (Reaction Injection Molding) for Gatan

Gatan, Inc. took a very hard look, and applied a very sharp pencil, when analyzing the cost of producing parts in Cast Urethane.  “It was just costing us a fortune…” offers John Duffy, Materials Manager SP&H, Supply Chain, Gatan, Inc.

The decision to use RIM was simple.  The RIM Process provided important values: Unlimited Mold Life, Higher Tolerance, More Robust Parts, and Significantly Lower Cost. When the time came to shift production of the company’s premier parts to the new process, research lead Gatan to Kenilworth, New Jersey, and the expertise of one of the country’s leading RIM manufacturers of first-class plastic instrument housings.

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Fourth Term U.S. Congressman Visits Exothermic Molding on National Manufacturing Day

National Manufacturing Day gives manufacturers an opportunity to open their doors and address modern manufacturing in America.  Items pivotal to the nurturing and growth of manufacturers are examined such as the skilled labor shortage in the U.S., and the educating of future generations to continue the legacy of the industrialized sector.  NMD is a key opportunity to take charge of manufacturing’s public image, and to ensure the ongoing prosperity of the entire industry.  The day and its surrounding activity is designed to examine common concerns and challenges facing future generations.
Congressman Leonard Lance (NJ-07), Vice Chair of the House Energy and Commerce Subcommittee on Commerce, Manufacturing and Trade, visited Exothermic Molding Inc. as part of a multi-stop tour for National Manufacturing Day.  Exothermic Molding builds high quality Reaction Injection Molded plastics, and Lance visited the facility to view its contemporary equipment and discuss the state of manufacturing in New Jersey with the company’s president, Paul Steck.
“American manufacturing produces safe and reliable goods and commodities that the world economy counts on.  An American brand guarantees a safe product with high-quality workmanship created by a skilled workforce.  I saw that first-hand at Exothermic Molding,” said Lance.1
​The Seventh Congressional District of New Jersey includes nearly 600 manufacturing facilities that employ 40,000 employees, according to the National Association of Manufacturing.  Lance sits on the House Energy and Commerce Committee and serves as Vice Chair of its Commerce, Manufacturing and Trade Subcommittee.
Paul Steck says, “We have been fortunate to host two prominent legislators at Exothermic Molding.  In 2013, New Jersey State Senate Minority Leader Tom Kean, Jr., toured our company showing a great interest in the manufacturing industry and its future in the state.  Now, Congressman Leonard Lance has brought federal interest to our shop. We are flattered to serve as a representative of manufacturing, and the small business, in New Jersey and the United States.” 2
While manufacturing continues to be challenged in the country, Steck observes that the future is looking modestly brighter.  He cautiously notes that contract manufacturing seems to be making a comeback.
Exothermic Molding, one of the pioneers in the RIM industry, was founded circa 1972 and provides Reaction Injection Molded (RIM) parts to the medical, electronic, and lab instrument market. Since then the company has expanded into many other applications and markets, but remains progressive in the RIM process.​

1 Source: Tap into Kenilworth – “Lance Visits Exothermic Molding in Kenilworth on National Manufacturing Day”.       www.tapinto.net.

2 Source:  Unpublished Interview: Steck, Paul. Interview by Joseph R. Passarella.  Exothermic Molding, Kenilworth, New Jersey.
Paul Steck is President and CEO of Exothermic Molding Inc., a 
company specializing in the development and manufacture of high quality molded plastic parts often used as electronic enclosures in the Medical Devices, Laboratory Instruments and Technology markets.  The company, considered one of the leading RIM manufacturers in the United States, has successfully served these industries for over forty years.

Exothermic Molding, Inc. Manufacturing Manager Wins Next-Generation Leadership Award.


Caonabo Delgado represents the new face of manufacturing management in the United States as he captures award given as part of the New Jersey Manufacturing Awards 2014 celebration.

Kenilworth, New Jersey – October-2014

Caonabo Delgado, Manufacturing Manager for Reaction Injection Molding Company, Exothermic Molding, was awarded the Next-Generation Leadership Award by NJBIZ for its inaugural New Jersey Manufacturing Awards event  October 2014. The event, held in conjunction with the New Jersey Manufacturing Extension Program, honored producers of innovation including companies and professionals who create products and jobs in the Garden State.

caonabo w/ roamer arm

“I am honored and humbled to receive this recognition,” Delgado said.  “It is seldom that one is acknowledged for the hard work and insights that are part of managing and growing a small manufacturing company.  More importantly, this award sends a message to young talent considering a future career that manufacturing is alive, well and full of potential.”

Manufacturers and business leaders from all over New Jersey joined NJBIZ and NJMEP for the event as part of an agenda filled with activity making up the Third Annual National Manufacturing Day.  Delgado’s award is from one of ten award categories that day, and recognizes the individual who has demonstrated potential to make a significant impact as a leader in the future of New Jersey manufacturing.

“We are proud at Exothermic Molding to have Caonabo receive this honor.  It is a direct reflection of his contribution to the growth of our company, and plans for our future as a world class producer of goods,” observed Paul Steck, President of the reaction injection molding company.  “Caonabo’s acumen has been pivotal in making us a company whose customers recently rated us outstanding in several key metrics.”

Mr. Delgado’s education and career have been devoted to the manufacturing industry.  Attending Rutgers University, he graduated in 2004 with a Bachelor of Science Degree in Ceramics and Materials, later earning an MBA from DeVry University in 2008 while focusing his future on manufacturing management.  He has furthered his knowledge and efficacy by earning certifications in 5S, Lean Manufacturing, ISO, and Velocity Production Scheduling.

His influence on the company’s manufacturing practices yielded quantifiable results in the growth of Exothermic Molding.  Most importantly, he recognizes and rigorously advocates the manufacturing sector as a viable arena for progress and advancement.   Each year, for the past 13 years, he donates his time regularly speaking to students at the Union City High School about Engineering and the possibilities of a career in science and technology.

“I believe it is very important to give back to the community and let youth know that the future can be what they make of it,” he offers. “If I can get through to just one student about manufacturing, then I know that there will be one more person out there to keep the industry vital.”

When asked about his plans in manufacturing now that he has established this hallmark, he responds: “that’s simple – I am going to follow the advice of one of my mentors.  Always be a solution, not an obstacle.”

About Exothermic Molding Inc.

Exothermic Molding Inc. is one of the pioneers in the RIM Molding industry, The company was founded circa 1972 to provide Reaction Injection Molded (RIM) parts to the medical, electronic, and lab instrument market. Since then Exothermic Molding has expanded into many other applications and markets but remains committed to the RIM Molding process.

The company operates a state-of-the-art facility with modern computerized Programmable Logic Controlled machinery and remains at the forefront of RIM manufacturing.

Media Contact

Joseph Passarella
Marketing Manager

Phone:  908.272.2299

Email address:  joe@exothermic.com

Reaction Injection Molding vs. Sheet Metal. Sheet metal may be a low cost option, but what are you willing to sacrifice?

Continuing our exploration of the right molding process for part design (“Determining the Right Molding Process for Part Design”), this blog entry considers RIM Molding vs.Sheet Metal

Sheet metal is a very low cost option for part production, but with this process you sacrifice many design features and often add piece counts to final assembly. RIM allows for much more intricate and sophisticated form development compared to sheet metal.

Any features on the inner or outer surface of a sheet metal part must be cut out, welded, or bolted on as a secondary process. With these features molded into a RIM mold, you can reduce assembly, add value to the overall design, and ultimately lower unit costs.

Materials cannot be encapsulated in sheet metal. Only RIM can encapsulate metals, electronics, and other parts for optimum protection and strength. Both processes produce a high quality finish, but also take paint, silk screening and texturing well for improved branding.

Sheet metal is the most cost-effective option for small production volumes, but RIM could be taken into consideration if the part design is complex. While sheet metal tooling
turnaround is very quick, RIM Molding can incorporate features from production molds that require less secondary costs than sheet metal.

Up-front tooling costs of sheet metal are lower than that of RIM tools, and modifications to the design can also be made at low costs. The trade-off is that many design features cannot be incorporated into sheet metal like they would with the RIM process, and non-rectilinear sheet metal parts become cost prohibitive in production.

Other Design Considerations: Using RIM molding will yield a much more attractive, sculpted design that is lighter in weight and has better chemical resistance and insulation properties.

RIM Molding Surpasses Thermoforming With Multiple Benefits

Continuing our exploration of the right molding process for part design (“Determining the Right Molding Process for Part Design”), this blog entry considers RIM Molding vs. Thermoform Molding

Both of these processes are valuable for producing large-sized parts, but the design flexibility of RIM molding will make it a better choice for complex parts. Since thermoforming is a sheet forming process, it cannot produce variable wall thickness or internal details

without time-consuming, manual gluing of additional pieces to the thermoformed part. Only RIM gives the designer the flexibility to produce parts with significant wall thickness variations of up to .125” to 1.125” in the same part. Any inside features in a thermoformed part must be bonded on secondary, whereas RIM can incorporate all features into the mold for reduced assembly and lower unit cost.

The temperature needed for RIM molding is low enough to prevent damage to encapsulated materials.  Antennas, metals, electronics, circuits and other features can be insulated to increase mass, strength, burst protection and branding of parts. Encapsulation cannot be done with the thermoforming process.  Produced thermoformed parts have the quality finish of the sheet material, but RIM parts take paint, silk screening and texture well for improved cosmetics.

Both processes are appropriate for small run volumes and for producing molds for quick turnaround.  RIM and thermoforming tools also both require a low up-front cost, but RIM tools are easier to change and will therefore be more cost-effective if market feedback shows that part features should be modified.
Other Design Considerations: Thermoformed parts are only as strong as their outside shell, and can often “tin can” or blemish from inherent process variation. RIM parts typically hold tighter tolerances than thermoformed parts. Stiffening ribs can be molded into RIM parts to produce high strength products in any size.

Read more about it in our white paper, “Determining the Right Molding Process for Part Design.  How RIM Molding Advantages Compare with Traditional Production Technologies”.

Download the paper at (www.exothermic.com).

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