Adhesion Testing (ASTM D413 & ASTM D429)

At Cornerstone Materials Group (CMG), we provide precise and reliable adhesion testing to evaluate the strength and durability of bonds between rubber, metals, fabrics, and other materials. Whether you’re assessing rubber-to-fabric, rubber-to-rubber, or rubber-to-metal adhesion, our services ensure that your product performs optimally and remains durable under stress.

Why Adhesion Testing Matters
Strong adhesion is vital for the performance, safety, and longevity of products in many industries. Poor adhesion can lead to product failures, costly recalls, and safety concerns. Common applications of adhesion testing include:

Rubber-to-Metal Bonds: Ensuring components like engine mounts maintain integrity under stress.
Rubber-to-Fabric Bonds: Validating strength for applications like conveyor belts or reinforced hoses.
Rubber-to-Rubber Bonds: Testing rubber components that are bonded to each other, such as in multi-layer seals or composite rubber products.
Pressure-Sensitive Adhesives: Measuring peel strength for tapes and labels.

Adhesion Testing Standards
Our lab follows recognized industry standards to guarantee consistent, reliable results:

ASTM D413: Measures peel strength of rubber bonded to flexible substrates, typically using a 90-degree peel test.
ASTM D429: Evaluates rubber adhesion to rigid substrates like metal through peel or tension-based tests.

Both methods provide insight into how environmental conditions, material compatibility, and processing affect adhesive performance.

Custom Adhesion Testing Solutions
We offer tailored testing to meet your specific needs:

Custom Fixtures: Our engineers design specialized fixtures for unique shapes or configurations.
Environmental Conditioning: Simulating real-world conditions (temperature, humidity, chemical exposure) to test bond durability.
Material Development Support: Expert guidance on optimizing adhesive formulations for performance.

Why Choose CMG?