Falling Sand Abrasion Tester
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The falling sand abrasion tester is used to test the abrasion resistance of coatings under standard conditions. This method tests the abrasion resistance of a coating by dropping abrasive material through a tube from a specified height onto a coated test panel until the substrate of the panel is exposed and visible.
Application
Helmet abrasion resistance sand test machine is mainly used to test motorcycle helmets, sports helmets, electric vehicle helmets, fire helmets, rescue helmets, military and police helmets, pilot helmets and other helmets eye protection performance. Widely used in a variety of helmets related to the production of research and development, scientific research, quality supervision and testing, colleges and universities laboratories and other units.
Standards
(1)GB811-2022:Helmets for motorcycle and electric bicycle users
(2)GB24429:Sports helmets — Safety requirements and test methods for helmets used in bicycling, skateboarding, roller skating
(3)GJB1564A:General specifications for flight protective helmets
(4)GA293:Ballistic helmets and face shields for police
(5)GA294:Police anti-riot helmets
(6)GA295:Motorcycle helmets for police
(7)GA296:Service helmets for police
(8)ASTMD968:Standard Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive
Features
(1)The speed regulator can carry out the adjustment of the sample speed, and real-time display.
(2)Sand fall gravity tube has three sections of PVC, acrylic or stainless steel tube.
(3)Conical sand drop storage port, easy to store the sand drop.
(4)The conical design structure at the bottom of the equipment and the low falling disk are convenient to collect the falling sand.
Parameters
| Item | Detail |
|---|---|
| Sand Drop Tube | Height: 1650 ± 10mm; Material: PVC, acrylic, or stainless steel |
| Specimen Turntable | Tilt angle: adjustable from 0 - 90°; Standard angle: 45 ± 3° |
| Turntable Speed | Adjustable from 0 - 300r/min; Standard speed: 250 ± 10r/min |
| Falling Sand Specifications | Particle size: 0.5 - 0.7mm; Material: natural quartz sand; Weight: 3 ± 0.1kg (reuse no more than 10 times) |
| Fallen Sand Form | Gravity free fall |
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