What GLS Engineering & Testing Does and How to Work With Them

GLS Engineering & Testing is a South Carolina lab that runs environmental tests on materials and products

GLS Engineering & Testing is a testing facility based in South Carolina that conducts environmental testing on materials, components, and finished products. The lab works with manufacturers, engineering firms, and other businesses that need to verify how their products perform under specific conditions—heat, humidity, vibration, salt spray, and other stressors that simulate real-world use or storage.

The company operates as a contract testing lab, meaning they perform tests on behalf of clients rather than manufacturing or selling products themselves. Their work helps companies meet industry standards, comply with regulations, and catch potential failures before products reach customers.

Key Takeaways

• GLS Engineering & Testing performs environmental testing on materials and products to simulate real-world conditions and identify potential failures.
• The lab works with manufacturers, engineering teams, and businesses across industries that need third-party verification of product performance.
• Common tests include salt spray corrosion testing, thermal cycling, humidity chambers, and vibration testing.
• Results from GLS testing can help companies meet industry standards, regulatory requirements, and customer specifications.
• Contacting the lab directly is the best way to discuss your specific testing needs and get a quote for services.

Types of Environmental Tests GLS Performs

Environmental testing labs like GLS run controlled tests that expose products to conditions they will face in storage, shipping, or use. Salt spray testing, for example, accelerates corrosion by exposing metal parts to a salt-laden mist, simulating coastal or marine environments. Thermal cycling tests move samples between hot and cold chambers repeatedly to see if materials crack, warp, or fail at the joints.

Humidity chamber testing holds products at high moisture levels to check for rust, mold, or electrical failures. Vibration testing shakes samples on specialized equipment to replicate the bumps and movement of shipping or vehicle operation. Other labs also run UV exposure tests, temperature shock tests, and mechanical stress tests depending on what the product needs to survive.

The specific tests a company needs depend on the product type, its intended use, and the standards or regulations it must meet. An automotive part faces different stressors than an electronics component or a coating on outdoor furniture.

Who Uses Environmental Testing and Why

Manufacturers use environmental testing to catch design flaws before mass production. If a plastic connector fails in a humidity chamber, it is cheaper to redesign it in the lab than to recall thousands of units from customers. Engineering firms often require testing data before they sign off on a supplier's part. Regulatory agencies in some industries—aerospace, medical devices, automotive—require documented test results as part of the approval process.

Companies also use testing to verify that their products meet customer specifications or industry standards. A coating manufacturer might test their paint against ASTM standards to prove it resists salt spray for a certain number of hours. A supplier to the military or defense sector may need to show that components survive the environmental conditions outlined in military specifications.

How to Contact GLS Engineering & Testing

To discuss your testing needs, contact GLS Engineering & Testing directly. You will need to describe the product or material you want tested, the conditions it must survive, and any relevant standards or specifications it should meet. The lab can then recommend which tests are appropriate and provide a quote for the work.

Bring any technical drawings, material specifications, or industry standards your product must meet. If you are unsure which tests you need, the lab's staff can help you determine the right approach based on your product's intended use and the environment it will face.

What to Expect From the Testing Process

Once you place an order, the lab will prepare your samples according to the test method—this might mean mounting them in a specific way, applying coatings, or assembling them into a test fixture. The actual test then runs for a set period, which can range from hours to weeks depending on the test type and standard being followed.

During testing, the lab monitors conditions like temperature, humidity, salt concentration, or vibration frequency to ensure they stay within the required range. After the test ends, technicians inspect the samples for damage, corrosion, cracks, electrical failures, or other signs of degradation. Results are documented in a formal report that shows what was tested, how, and what happened.

The timeline varies. Some tests take days; others take weeks or months. The lab can tell you the expected duration when you discuss your project. Many companies need results quickly, so asking about turnaround time upfront helps you plan your product development schedule.

Standards and Certifications That Guide Testing

Environmental testing follows published standards that define exactly how a test should be run—the temperature range, humidity level, duration, inspection criteria, and how to report results. Common standards come from ASTM International, the International Organization for Standardization (ISO), military specifications (MIL-SPEC), and industry-specific bodies.

For example, ASTM B117 is the standard for salt spray testing of coatings and metals. ISO 6954 covers thermal shock testing. Military specifications like MIL-STD-810 outline environmental testing for defense equipment. When you contact a lab, you can reference the standard your product must meet, and the lab will run the test according to that standard's exact requirements.

Using a recognized standard ensures your test results are reproducible, defensible, and accepted by regulators, customers, and industry peers. A lab that follows standards also maintains the equipment calibration and documentation needed to prove the test was done correctly.

Frequently Asked Questions

How much does environmental testing cost?

Cost depends on the test type, sample size, number of samples, and how long the test runs. A single salt spray test might cost less than a multi-week thermal cycling program. Contact GLS directly with details about your product and testing needs to receive a quote specific to your project.

Can I observe the test while it is running?

Many labs allow clients to visit and observe testing, though policies vary. Ask GLS about their facility access and whether you can schedule a time to see your samples being tested. Some labs also provide photos or progress updates during longer tests.

What happens if my product fails the test?

The lab documents what failed and how—cracks, corrosion, electrical shorts, or other damage. You then use that information to redesign the product, change materials, or modify the manufacturing process. You can retest after making changes to verify the fix works.

Do I need to send finished products or can I test individual components?

You can test finished products, individual parts, materials, coatings, or assemblies. Tell the lab what you want to test and how it will be used in the field, and they will advise on the best way to prepare and test it.

How do I know if a lab is legitimate and trustworthy?

Look for labs that follow published standards, maintain calibrated equipment, and provide detailed written reports. Ask whether they hold any certifications or accreditations. References from other companies in your industry are also valuable. A reputable lab will be transparent about their methods and equipment.