Your Trusted Partner in Independent Automotive Material Testing

MATERIAL TESTING TO MEET 
YOUR NEXT DEADLINE

Fast, reliable testing solutions tailored for the automotive indu– 
helping you avoid stress and exceed standards.

Specializing in automotive testing


Testing to material specifications and procedures including the following automotive OEM’s

Does this sound like You?


Over 850 accredited testing methods

  • Accelerated Weathering and Colorfastness to Light
  • Environmental Exposure
  • Physical Testing
  • Impact Resistance
  • Thermal Analysis
  • Fogging
  • Flammability Testing
  • Odor Testing
  • Fungus Resistance
  • Viscosity

You need a material testing partner that you can trust, saves you time, and does things right the first time.

Find Your Test

With over 850 accredited testing methods,
we’ve got you covered.

Find Your Material 

Not sure what test you need? Search the comprehensive list of materials that we test.

What our clients are saying


We know that you want a material validation process that saves time, avoids unnecessary stress, and is done right the first time.

Unparalleled customer service. We’re more than just a lab. 

Your trusted advisor for automotive material testing.

Unprecedented Speed

Our streamlined on-site testing is built to move fast and keep your projects
on track.

Industry Experts

Our team of experts has over 30 years of experience,  navigating complex OEM requirements with ease (so you don’t have to).

First-Rate Testing

Our testing methods are accredited by A2LA, ensuring you get accurate, high-quality results… every time.

Superior Service & Support 

All your questions answered
by our experts – not some “sales guy“
or AI-bot. 

Transparent Process

We keep you informed every step
of the way so you always
know what comes next. 

Trusted by OEMs

With superior testing methods,
we help you become a trusted
supplier to your customer. 

We have over 850 accredited testing methods…
& the scope of accreditation on hand to prove it

Our Simple Process


STEP 1

REQUEST A QUOTE

Once we get your details, we immediately create a custom quote to send you within 1 business day.


STEP 2

SUBMIT MATERIAL FOR TESTING

We start testing as soon as your material lands in our lab and keep you up to date throughout the process.


STEP 3

RECEIVE RESULTS / REPORT

You’ll get your full report with results that have been reviewed through our 3-phase quality control process.


We’ve successfully helped over 4000 clients meet deadlines since 1971.


We understand the demands of your industry, which is why we have successfully serviced 4000 plus clients for over 50 years, testing 850+ accredited test methods with capabilities for many more.

Not sure whether we’re the right partner for you? We put our money where our mouth is. 

GET 10% OFF YOUR FIRST INVOICE

Fill out the form below and we’ll email you a discount code to try our services for the first time.

We understand the demands of your industry.


Since 1971 we have successfully serviced 4000 plus clients for over 50 years, testing over 850 accredited test methods with capabilities for many more.

Choosing the right testing facility is crucial


Using our 50 years of experience, we have compiled the most frequently asked questions related to choosing the right testing facility, so that you can determine the right path for your product.

The benefit to outsourcing testing to GPT is that the tests will be conducted by an accredited laboratory in accordance with the specified method.  This can save your company time and money if your lab is not already accredited. 

Yes.  We are willing to work with you to determine the best course of action for all your testing needs.

The majority of the testing that we conduct is on an array of different types of plastics for the automotive industry.  GPT specializes in plastic roll goods, leathers, foam, paints, coatings, plastic material certification, weathering, odor, fogging, and flammability.

A third-party test laboratory is frequently required for PPAP submissions and material certifications.