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Falling Sand Abrasion Tester

ASTM D968

Falling Sand Abrasion Tester

 

Product Description:

Qualtech Products Industry Falling Sand Abrasion Tester is a professional Abrasion Test Instrument to determine the Abrasion Resistance Qualities of organic coatings.
The resistance to abrasion is calculated as the abrasive loss in mass per film.

This Falling Sand Abrasion Tester is designed and engineered in accordance with International Testing Standards, e.g. ASTM D968 (Standard Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive).

The Falling Sand Abrasion Tester is a rugged instrument based on a design described in ASTM D 968 and other internationally recognized test standards.
Abrasion results from abrasive particles falling through a guide tube and impinging the test specimen until the substrate becomes visible.
Normally this testing instrument is used to evaluate paints and other organic coatings, abrasion resistance is expressed in terms of the volume of abrasive required to wear through a unit thickness of the coating.
The top of the Falling Sand Tester apparatus is a funnel which holds the abrasive particles and includes a 60° tapered end that connects to the guide tube.
The guide is a straight, smooth-bore tube which contains the abrasive particles as they fall.
Specimens are fixed under the guide tube at a 45° angle in a receptacle that includes an opening at the bottom allowing the abrasive particles to be collected in a container.
A sturdy base and support system hold the apparatus in a vertical position.
Although a variety of abrasive particles are being used in current testing series, silica sand and various grades of silicon carbide continue to be most popular.
To ensure reproducible results, the abrasives must be graded to a particular sieve size.
Please note: Silica sand is typically characterized by its roundness of grains and produces a slower rate of abrasion on organic coatings.

Falling Sand Abrasion Tester – Specifications:

  • Dimensions: 230 mm x 200mm x 1500mm (L x W x H)
  • Catheter length: 36 inches (914 mm)
  • Diameter catheter0.75 inches (19 mm)
  • Total weights: 25 kg

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