Scrub abrasion and washability testers

Article No. 5097

Gardner-scrub, ECE 43
Abrasion Test compliant with DIN ISO 5685 / ECE R43

Scrub tester modified to fullfill DIN ISO 5685 / ECE R43 Wiper Resistance test method for automotive windshields
The test method was developed to simulate the typical stresses an automotive windshield is exposed.

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Features

Coated and uncoated surfaces need to be tested for resistance to abrasion caused by a brush, sponge, scouring pad, sand paper, and other means. Abrasion resistance can be tested by wet abrasion methods using scrub media or cleaning solutions. The most common applications are testing the scrub resistance of interior wall paints, floor tiles, shower stalls, and furniture surfaces. The abrasion tester can examine the washability of a coated surface for the removal of stains. Detergents and cleaning solutions can be tested and evaluated in a reproducible manner.

Compliant with ASTM, DIN, and ISO methods with appropriate accessories
Durable chain drive mechanism for long-term reliable operation
Reciprocating linear motion with a constant speed over the travel distance for repeatable results
Compact design saves on counter space
Easy to use touch screen display
Instrument arm holds up to 3 brush or pad holders to increase output
User selectable scrub rate from 6 - 60 cycle/minute
Up to 4 kg (8.8 lbs) can be applied to the instrument arm
Stroke length 13.0 cm (5.1 inch)

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Technical Attributes

Technical Specifications

Scrub Rate

6 -60 cycles/minute
Stroke Length

13 cm for ECE model (5097)
Stroke Length

5.1 in for ECE model (5097)

General

Power supply

100 - 240 V, 50/60 Hz
Weight

14.5 kg
Weight

32 lb
Dimensions: L x W x H

48.3 x 19.1 x 27.9 cm
Dimensions: L x W x H

19 x 7.5 x 11 in

Standards

ISO

5685

ECE

R43

Procedure

Attach the samples in the acrylic sample boxes
Fill in a freshly prepared aqueous suspension
The stroke length of the instrument is 130 mm ± 2 mm in two parralel boxes
Attach a wiper blade (e.g. CR Bosch Profile 32) with a load of 15 g/cm (80 mm blade 120 g)
Test two samples on a double stroke instrument parralell or in row
Setup instrument to 10.000 cycles
Samples need to be turned after 10.000 cycles
Run test for another 10.000 cycles
Measure transmission haze of cleaned and dried surface