Sand Abrading Machine/Falling sand test apparatus /Goggles Falling sand testing machine with ECE R22.05 , EN168 standard testing

Sand Abrading Machine/Falling sand test apparatus /Goggles Falling sand testing machine with ECE R22.05 , EN168 standard testing

Testing standard

It's conform ECE R22.05, EN168 etc testing standard 

Purpose

It's used for sand abrading performance testing for helmet goggles and protective eyes

The Main Technical specifications 

Testing Procedure

1. After cleaning , the sample are fixed onto the revolving plate in such a way that the area of measurement of the sample does not project beyond the revolving plate, whilst the plate is being rotated, 300kg of sand is trickled onto the samples, this test is carried out at 23℃

2. After the sand has been trickled onto them , the samples are removed from the rotary plate a