Don't leave it to chance, get the best on the case!


ExcelPlas polymer experts have extensive experience in all areas of plastics and polymers. We specialize in investigating and reporting on cases involving the failure of plastic materials such as:
- HDPE
- PP
- PVC
- Nylons
- PS
- PET
- PC
- Rubbers
- Coatings
- Adhesives
- Composite materials
The ExcelPlas team has collaborated with major law firms, insurance companies, and assessors including Airbus and Inpex providing polymer expertise and expert testimony in hundreds of cases.
Our lead plastics expert, Dr. John Scheirs, is highly regarded for his contributions to the science of polymers and their durability. With Dr John Scheirs leading the way we are the go to independent technical expertise for multibillion-dollar entities entangled in legal woes, supporting the case across multi years. Having us on your team ensures you receive state-of-the-art investigation and interpretation services for complete technical understanding.
Dr John Scheris is highly experienced in Expert Witness work for both Plaintiffs and Defendants in the following areas:
- Product Liability
- Patent Infringement
- Personal Injury
- Property Damage
John has been involved in the below cases since 2002. *********
To engage with ExcelPlas, please contact us to discuss your case.




Explore in depth
Testing you can trust
Our expert team has completed over 13,000 rigorous polymer tests for clients across industries, all over the world.

Fully independent
Audit your products quality and durability with our independent lab ensuring unbiased and accurate results from industry experts.
30+ years experience
With 30 years under our belt, ExcelPlas provides unparalleled expertise.
World class testing facilities
Equipped with a wide range of instrumentation and expertise to back it up we provide reliable and efficient testing.
Trusted by the industry
ExcelPlas’ expertise has been utilised by billion-dollar industry players relying on ExcelPlas to make the important decisions.

