ASTM G155 Testing Lab

VTEC Laboratories for Your ASTM G155 Testing Needs

VTEC Labs is the partner you need for all your testing service applications. Our reputation for excellence stems largely from the numerous benefits we offer our customers, including:

• Quick turnaround times: We provide accurate test results within two weeks of your test's completion — the fastest turnaround time in the industry — so that you can proceed with your project research and design. If your tight timeline requires results in fewer than two weeks, we'll complete your xenon arc exposure test even sooner.
• Extensive testing capabilities: Whatever testing you might need for your products, you'll find solutions with VTEC Labs. We offer a range of ASTM testing services, like ASTM G155, as well as custom test capabilities that we can design to your industry-specific specifications.
• Industry-leading expertise: For more than three decades, VTEC Labs has provided businesses worldwide with commercial and industrial product test services. We use the knowledge and experiences we've gathered during this time to give you the ideal solution for your unique situations.

What Is Xenon Arc Weathering Testing?

ASTM G155 outlines best practices for xenon arc accelerated weathering testing, which is a weathering test best performed on non-metallic materials built for outdoor, bright-light uses.

It is similar to ASTM G154 — another popular type of weathering test. However, while the G154 test uses fluorescent lights to simulate outdoor weather conditions, the G155 test uses xenon arc lamps.

Xenon arc lamps pass electricity through ionized xenon gas to produce light, and they're known for their ability to mimic the full effects of natural sunshine.

Because xenon arc lamps simulate a broader portion of natural sunlight, ASTM G155 is often the preferred choice when a project requires full-spectrum solar simulation for outdoor-use materials.

The G155 standard doesn't specify any one way for a material to be tested. However, the xenon arc exposure process typically involves cycling through light and moisture cycles repeatedly in a controlled artificial environment.

Xenon Arc Weathering Test Applications

Engineers typically use ASTM G155 when they need a full-spectrum solar simulation weathering test to evaluate the long-term stability of materials exposed to outdoor environments. Common applications include:

• Exterior Plastics: Assessing the polymer weathering performance for polymers used in utility infrastructure and outdoor equipment.
• Coatings and Finishes: UV degradation testing to validate the protective integrity of industrial paints and powder coatings against UV degradation.
• Construction Materials: Testing the environmental resistance of siding, roofing, and structural membranes.
• Automotive Components: Simulating the extreme solar loads experienced by both interior trim and exterior body parts.
• Signage and Textiles: Measuring the lightfastness of dyes and the structural retention of synthetic fibers.

Typical Samples Tested

For ASTM G155, the common samples our clients submit include plastic housings, painted metal panels, polymer composites, sealants, and membranes. Our clients also send finished components, coated assemblies, and material coupons for comparison testing or qualification work.

Need a specific exposure cycle or custom rack configuration? Contact our engineering team for a detailed quote within 24 hours.