Fully Automatic Falling Sand Abrasion Test Equipment

Whats/App: +86 156 1874 6768

Web: standard-groups.com

Standards

YS/T 1186-2017: Falling Sand Tester Type B for Anodized Aluminum and Organic Polymer Coatings

Technical Specifications

Item	Specification
Conduit Length	914 mm
Conduit Inner Diameter	19 mm
Hopper Volume	2.3 L
Dimensions (L × W × H)	900 × 520 × 1900 mm
Total Weight	75 kg

Features

Uses standardized falling sand abrasion principle with a mature and reliable testing method

Stable and uniform abrasive flow ensures high repeatability

Fully automated operation reduces human error

Strong structural rigidity ensures long-term stability

Suitable for comparative testing of multiple coating systems

Accessories

Name	Description
Falling Sand Conduit	Controls abrasive drop height and direction
Abrasive Hopper	Stores and evenly releases abrasives
Sample Fixture	Secures the test sample
Standard Abrasive	Abrasives that meet testing standard requirements
Collection Device	Recovers fallen abrasives and wear particles

Testing Principle

During testing, standardized abrasives fall freely through the conduit under gravity from a specified height, continuously impacting the sample surface. As the test progresses, the coating gradually wears. By measuring the coating thickness or wear per unit area before and after the test, you can evaluate the coating’s abrasion resistance. This method effectively simulates particle-induced wear in real-life use.

Operation Instructions

Check that the conduit, hopper, and fixture are securely installed before testing.

Select and load the specified amount of abrasive according to the standard.

Ensure the sample is firmly fixed, with abrasives impacting the correct test area.

Never open protective devices during testing to avoid abrasive scattering.

Adjust test height, abrasive type, and cycle count according to the relevant standard.

Experimental Procedure

Prepare the sample according to the standard and measure initial coating thickness.

Secure the sample in the fixture.

Add the specified type and amount of abrasive to the hopper.

Adjust the conduit height to ensure vertical abrasive fall.

Start the device and perform the falling sand abrasion test for the specified cycles or time.

After testing, measure the coating thickness or wear amount.

Calculate the abrasion resistance according to standard methods and record the results.

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