Premier Electrosystems' Ball Pressure Test is used to determine dimensional stability under stress at elevated temperatures. It analyses the relationship between the degree of deformation and the temperature when the test specimen is subjected to a constant load.

Ball Pressure Tester

Ball pressure test apparatus is intended for testing parts of non-metallic materials for resistance to heat. It consists of a 5 mm hardened steel ball with weights that exert a force of 20 N on the surface of a sample under test. The test sample shall be positioned on the support, heated up in an oven, and then loaded with the ball pressure test apparatus. After the required period, the sample is taken out of the chamber, immersed in cold water, and then the indentation is measured.


  • Diameter: 5 mm
  • Material: Stainless Steel
  • Force exerted on the ball: 20 N