Erie Metal Specialties, Inc. (EMS) - Testing Information
"The Most Tested Expansion Joints in the Industry"

The Most Tested Expansion Joints in the Industry - at EMS, this is not just a slogan, it is our mission. We understand that the only way to assure that the products provided are of the highest quality is through testing, testing and more testing. Our extensive testing capabilities are used to test our products to industry standards and beyond.

The most common testing standards for expansion joints are the American Society for Testing and Materials (ASTM). A list of standards typically referenced include:

• ASTM D412 – Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers – Tension
• ASTM D471 – Standard Test Method for Rubber Property – Effect of Liquids
• ASTM D573 – Standard Test Method for Rubber –Deterioration in an Air Oven
• ASTM D1149 – Standard Test Method for Rubber Deterioration – Surface Ozone Cracking in a Chamber
• ASTM D2240 – Standard Test Method for Rubber Property – Durometer Hardness
• ASTM E1399 – Standard Test Method for Cyclic Movement and Measuring Minimum and Maximum Joint Widths of Architectural Joint Systems

In addition, we conduct tests that go above and beyond these standards to assure that our products exceed the standard requirements. Our testing programs assure that the products you use will provide good value for many years of use.

	Test to simulate heads of water (pressure) on expansion joint			Cycle testing of compression expansion joint system
	Cycle testing of winged expansion joint system			Pull test on JP-Series expansion joint