The History of the Wyzenbeek Abrasion Tester: Why Is It Called the "Wyzenbeek" Test? When engineers and textile laboratories discuss fabric durability, one name appears repeatedly: the Wyzenbeek Abrasion Tester. For more than a century, the Wyzenbeek method has been one of the primary standards for evaluating the abrasion resistance of upholstery fabrics used in

Why Repeatability Matters More Than Accuracy in Material Testing Consistency is the foundation of meaningful test data. In every material testing laboratory, one question ultimately determines the value of the data collected: Can the test be repeated and produce the same results? While equipment accuracy is certainly important, the ability of a testing system to

Why Aluminum Foil Matters in Automotive Fogging Tests All Aluminum Foils Are Not the Same Aluminum foil may look like a simple, inert material, but all aluminum foils are not the same. In automotive fogging tests such as DIN 75201 Method B, the aluminum foil is not merely a container for collecting condensation. It is

Why Automotive Test Laboratories Choose Schap Specialty Machine for Cast Aluminum Butt and Back Forms The Foundation of Accurate Seat Testing Begins with the Right Test Forms In automotive seating validation, sophisticated test machines often receive most of the attention. Servo-hydraulic systems, programmable fatigue testers, and automated seat durability equipment are certainly impressive, but every

The History of DIDP (Diisodecyl Phthalate) as the Industry Reference Material for Automotive VOC Fog Testing Why One Plasticizer Became the Industry Benchmark—Despite Its Known Variability In automotive interior materials testing, few reference materials have been used as consistently as Diisodecyl Phthalate (DIDP). For more than three decades, DIDP has served as the reference liquid

Gravimetric vs. Reflectometric Fog Testing: Which Method Should You Use? One of the most common questions asked by automotive materials engineers and laboratory managers is: "Should our laboratory perform gravimetric fog testing or reflectometric fog testing?" The answer is often both—but for different reasons. While each method evaluates the tendency of automotive interior materials to

How Schap Specialty Machine Built Upon the Hart Scientific Legacy Continuing the Evolution of Dry Fog Testing Few laboratory tests demand the level of thermal precision required for automotive fogging evaluations. Whether testing interior plastics, textiles, foams, adhesives, leather, or coatings, the reliability of the data ultimately depends on one critical factor: repeatability. Over the

Why Using an A2LA Accredited Laboratory Matters for Your Testing and Calibration Confidence in Every Test Result Starts with Accreditation Whether you're validating automotive components, qualifying aerospace materials, certifying medical devices, or calibrating critical laboratory equipment, the quality of your test data is only as good as the laboratory performing the work. For manufacturers, inaccurate

Schap Laboratory Services, LLC. has the capability to perform a number of ISO 17025 accredited tests for Material Testing using the equipment and standards listed on the following pages. We can perform specific tests, help with any testing back-log, or help you meet the requirements of Interlaboratory, Round Robin, and comparative testing programs. We also

Compression Testing Foam with the Schap Specialty Machine Servo Universal Test Machine Why Compression Testing Matters Flexible polyurethane foam is engineered to deform under load while recovering its original shape when the load is removed. The ability to maintain these characteristics over thousands of loading cycles directly affects product quality. Compression testing helps manufacturers determine: