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 Expert  722479

Expert in Applied Rubber Technology, Design of Experiments, and Training in Both

Available for your Consulting and Expert Witness Needs

North Carolina (NC)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
The primary rubber-forming process he works in is molding, including compression, transfer, and injection methods. His experience with molded products is broad, including automotive weather strip, milking inflations, various types of vibration mounts, seals, diaphragms, aerospace components, vehicle tracks, and myriad others. His over 30 years in the industry took him from very low- to very high-volume products, single cavity to multicavity molds, standard and exotic polymers, and lab presses to giant rotary injection presses. His involvement is often from process development to process optimization for molding operations, often using design of experiments methods for maximum efficiency.

Expert's original function in the rubber industry was as a compounder and process engineer, and that expertise remains a major part of his practice. Several of his publications are centered on compounding work. Balancing multiple rubber properties to an optimum for a given function is one of the more interesting challenges in the field and has become a specialty for him. Also, compounding for dynamic properties (resilience, damping, and fatigue life) has become a significant area for him. However, he also focuses on achieving desired final compound properties with efficient processing characteristics, which is also of key importance to good business.

He notes that there are well over 20 families of elastomeric polymers, and he has worked with most of them over many years in the industry. Writing chapters and complete textbooks for the rubber industry, as well as giving courses in rubber technology for the ACS Rubber Division, required him to stay in touch with a much broader group of the polymer families than is common, which is a great help in any kind of selection process for elastomeric materials. His expertise in rubber technology in general has caused him to be sought out as an expert witness in several major lawsuits involving rubber products.

As a manager, consultant, writer, and frequent trainer of engineers and chemists in rubber technology, expert has polished his presentation skills and increased his background knowledge of the overall field extensively. He has provided training to numerous companies and organizations (Clemson University, the University of Wisconsin, Worcester Polytech, and others) as well as to various subgroups of the American Chemical Society. This includes both basics of the technology, as well as applied methodology (compounding, etc.) and hands-on training using equipment (including, but not limited to, mills and mixers).

Starting in the 1980s he received training in statistics and statistical methods, and he subsequently branched out into statistical process control. From there he proceeded into design of experiments (DOE), which has become a major specialty for him, including publishing a book on the topic and providing advanced training in the subject for companies and organizations. The application of statistical methods to tabulating, organizing, and doing detailed analyses of many kinds of data naturally followed from all this, and has also become a major facet of the services he supplies to clients. These methods combine very well to serve numerical optimization purposes. He teaches design of experiments methods regularly for corporations and institutions, at several levels, and has served as a beta tester for development of specialized software for DOE users.


compression molding




rubber molding


rubber vulcanization


elastomer compounding


rubber compounding


rubber formulation


applied rubber technology


elastomer selection


natural rubber




rubber selection


elastomer training


analysis of experiments


central composite design


design of experiments


Latin square


numerical analysis


numerical optimization


response surface methodology


statistical design of experiments

Starting with original training in a Du Pont rubber laboratory in 1965, he has expanded on his experience in all common and many less-common modes of rubber material and rubber product testing. He has also been involved with development of specialized tests for particular properties (such as engineering properties) and purposes, with an emphasis on rubber bond testing; he has several publications on the latter topic. He has managed rubber laboratories and works frequently with many rubber labs, both corporate and commercial. He is very familiar with the body of ASTM test methods for rubber and has written extensively on the topic of rubber testing.

His long experience with advanced rubber products for which bonding is a critical property began with rubber-fabric bonding and progressed into crash-critical rubber bearings for helicopters in 1976. Subsequent employment as a manager of one of the founding companies for rubber adhesives led to immersion in this methodology, and he has presented some of the most detailed technical papers available on this topic. He also instructs on this subject for the University of Wisconsin.


compression set




rubber durometer


rubber hardness


rubber hardness testing


rubber physical property


rubber tensile strength


rubber testing


elastomer bonding


rubber adhesion


rubber bonding


rubber design

Show Secondary and Basic Areas of Expertise
MrExpert may consult nationally and internationally, and is also local to the following cities: Raleigh, North Carolina;  Greensboro, North Carolina;  Durham, North Carolina;  Winston Salem, North Carolina;  Fayetteville, North Carolina;  Cary, North Carolina;  High Point, North Carolina;  Jacksonville, North Carolina;  Greenville, North Carolina;  and Concord, North Carolina.

Often requested
with this expert:

Rubber, Polymeric Materials, Design, Testing, Production...
EPDM Elastomer, Chemistry and Technology
Rubber Compounding, Compression,Vaccuum and...
Rubber and Adhesion Technology

Year   Degree   Subject   Institution  
1965   M.S.   Organic/Polymer Chemistry   Holy Cross College  
1964   B.S.   Chemistry   Holy Cross College  

Work History:
Years   Employer   Department   Title   Responsibilities

1990 to


(Undisclosed Consulting Company)





Expert has a sole proprietorship serving the rubber industry and clients of the rubber industry.

1988 to 1990


Barry Controls



Director of Materials/Processing


He had broad responsibilities for a multi-plant company serving the commercial and aerospace industries with engineered rubber products.

1984 to 1988


Lord Corporation




Manger of Matls & Processing


Expert had broad responsibilities for a multi-plant company serving the commercial and aerospace industries with engineered rubber products.

1981 to 1984


Rogers Corporation


Willimantic Division


Engineering Manager


He worked in the engineering department of the plant in both development and manufacture of specialty engineered rubber products.

1976 to 1981


Airex Rubber



Technical Director


He was responsible for all technical aspects of a small custom molding firm serving aerospace industries.

1975 to 1976


DeLaval Separator


Rubber Plant


Plant Manager


He operated a 50-man rubber manufacturing facility.

1974 to 1976


Sikorsy Aircraft



Matls Engineer


Expert was responsible for all matters relating to rubber components of helicopters.

1969 to 1975


B. F. Goodrich




Process Engineer


He worked in compounding, process development, troubleshooting, and manufacturing support in a large rubber manufacturing plant.

Career Accomplishments:

Expert is a member of the Rubber Division of the American Chemical Society, plus several regional subgroups.

Publications and Patents Summary

He has over 20 publications and has made contributions to five technical books, and has edited and/or written three technical books (two on rubber technology and one on the design of experiments).

Selected Publications and Publishers  
 - American Chemical Society (ACS) Rubber Division  
 - TCS  
 - Hanser Publishers  

Consulting Services:
Selected Consulting Examples:
  • Expert investigated and optimized the production of PTFE composites by designed experiments.
  • He developed special rubber compounds for milking applications, acceptable to the German health office.
  • He optimized a rubber compound for a superabrasive application involving food preparation.
  • He maximized flex/abrasion life for snowmobile tread compounds.
  • Expert helped set up and provide training for technology transfer from a U.S. plant to Shanghai.
Recent Client Requests:
  • Expert in Rubber Seal Issue.
  • Expert in rubber vulcanization process for inspection of defective vulcanized rubber sheets.
  • Expert for consulting on Rubber and Metal Seal Issue on AL part with overmolded rubber part.
  • Elastomers expert for consulting on elastomer selection issues.
  • Expert in polymers for consulting on the design of rubber components.
  • Engineering expert for consulting on tear down analysis.
  • Expert for consulting on EPDM.
  • Rubber extrusion expert for consulting on Rubber extrusion dies standards, DOE in Rubber extrusion.
  • Expert for consulting on Caracterise the parameters who affect the tack on rubber.
  • Neoprene chemist expert for consulting on Aircraft ground power connector.
  • Expert in vulcanization of rubber for consulting on finding a right cure.
  • Expert in adhesives for consulting on butyl rubber soles onto polyurethane midsoles.
  • Expert in rubber technology for consulting on torque/ compression testing.
  • Expert in natural rubber for consulting on Rubber Compounding.
  • Expert for consulting on polyisoprene rubber parts for a critical valving and seal application.
  • Extrusion expert for consulting on manufacturing process optimization & consistency.
  • Crumb rubber expert for consulting on crumb rubber technology.
  • Expert for consulting on Elastomeric Laminated Bridge Bearings
  • Expert for consulting on Rubber Compounding
  • Expert for consulting on Rubber Molding Technical Writer
  • Expert for consulting on Training Programm
  • Expert for consulting on Production issues with rubber compounding
  • Expert for consulting on Rubber mixing through molding processing
  • Expert for consulting on Elastomeric materials for use in diaphragm pump
  • Expert for consulting on Consultation with Production.
  • Expert in EPDM Sponge Recipes, Mixing, Molding for automotive.
  • Expert in Compound recipe improvement for lifecycle extension.
  • World's premier expert on natural rubber for consulting on Dipping of ceramic forms into natural rubber.
  • Elastomeric design expert consutants for consulting on Molded Rubber Seal and Bellows Design.
  • Rubber expert for consulting on strength of natural rubber based membrane.
  • Expert in fabric encapsulation for consulting on reducing the cost of a product made of molded rubber.
Click the green button above to contact MrExpert for a free initial screening call regarding your expert consulting needs.  MrExpert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with MrExpert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert has been an expert witness in about 12 different cases, three of which went to deposition/trial in federal courts.
Recent Litigation Client Requests:
  • Rubber expert witness for consulting on rubber industry technology issues.
  • Rubber oxidation expert witness for consulting on rubber deterioration of roller skate rubber toe stops.
  • Expert in tensile properties of nitrile rubber for consulting on patent infringement litigation case.
  • Expert in rubber molding and design needed.
  • Expert for consulting on Patent matter related to applied rubber tech.
  • Expert witness windshield wipers for consulting
  • Expert in rubber cap for consulting on non-infringement and invalidity.
Click the green button above to contact MrExpert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with MrExpert is free.

International Experience:
Years   Country / Region   Summary
1981 to 1981   Singapore   He worked on a consulting job to set up and start running a mixing and molding plant.
1992 to 1992   France   He was on a consulting assignment to troubleshoot silicone compounding and processing for missile mounts.
1988 to 1990   England   Expert coordinated technical development work between U.K. and Boston plants.
1996 to 1996   Singapore   He provided training in molding technology as part of a government-sponsored educational program.
2000 to 2000   Canada   Expert worked on a project to troubleshoot carbon black dispersion problems.

Language Skills:
Foreign Language   Description
German   Expert has retained basic conversational and reading skills in German.

Additional Skills and Services:

He has given training sessions in design of experiments, basic rubber technology, engineering with rubber, and statistical process control.

Supplier and Vendor Location and Selection

He is well-versed in vendor selection.


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