Abrasion Tester AT-50

APPLICABLE STANDARDS ASTM D 5963 - ISO 4649 TEST MODE

The sample to be tested is cylindrical in shape with a diameter of 16 mm, it is subjected to rubbing against an abrasive cloth (standardized), which covers a cylinder, under pressure that is also standardized.

The cloth holder cylinder rotates at a speed of 40 revolutions per minute, and the specimen is in continuous contact with the abrasive for the equivalent of 40 linear meters, after which the specimen holder separates from the abrasive cloth automatically, removing the contact.

The specimen holder arm is provided with a micrometric screw to adjust the position of the specimen. The weight of this arm provides a pressure on the specimen of 0.5 Kg. A special counterweight that can be placed on the arm allows the pressure to be increased up to 1 Kg when very resistant materials are to be tested.

The amount of wear of the tested sample is determined by calculating the difference in weight of the sample before and after the test. It is advisable to have a Precision Balance with reading every 0.001 g)

• Instant return of the carriage to its initial test position.

• Speed: 40 Laps/minute

• Friction per turn: 40 cm

• Total friction: 40 meters

• Specimen feed: 4.2 mm per turn

• Micrometric screw with divisions every 0.1 mm.