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Test Like Crazy

There’s only one way to find out how cementitious construction materials behave under certain conditions: testing, testing and more testing. And that’s exactly what WACKER experts are doing at the technical competence center in Burghausen – and at other sites all over the world. Always with the aim of finding perfect formulations for unique applications.

One focus of the work at WACKER’s Burghausen Technical Center is on testing in accordance with current standards. The results of these tests serve as a basis for comparison while also allowing us to determine in advance whether a given formulation can obtain official certification.

We perform all of the definitive testing methods described in the relevant standards. We have also drawn on our many years of experience to develop some test methods of our own, providing our customers with even more insight into their products.

Tests for Tile Adhesives

We test the adhesion of tile adhesives to different substrates in the lab under specific environmental conditions. We also determine the wetting capability, open time and slip as a proxy for good processing properties. Flexibility is a further test area, as it is essential for ensuring that a tile adhesive can cope with thermal or mechanical stress.

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Ball Impact Test

The ball impact test reveals the benefits of polymer-modification in tile adhesives:

the enhanced flexibility prevents tiles from cracking due to impacts.

Grout Tests

Our tests reveal whether a tile grout prevents water penetration and how it is affected by abrasive cleaning or thermal stress, among other things.

Abrasion Resistance

Determination of resistance to abrasion according to EN 12808-2: test specimens consist of 10 x 10 x 1 cm grout prisms clamped into a joint abrasion device that has been equipped with a grinding medium. The volume of abraded material is then measured.

Tests for External Thermal Insulation Composite Systems (ETICS/EIFS)

The durability of external insulation composite systems is tested by determining the bond strength, flexibility and impact resistance of the embedding coat and adhesive mortar.

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Testing for Impact Resistance

To test the impact resistance of a reinforced insulating material, we simulate the damage done, for example, to a wall by bicycle handlebars or hailstones.

Tests for Renders/Plasters and Wall Troweling Compounds

Weatherability and UV resistance, water-repellency and mechanical strength are key properties of renders/plasters and wall troweling compounds. Our labs in Burghausen are fully equipped to test these properties in compliance with standard test methods.

Flow Value Determination

Determining the flow value helps to assess the consistency of the fresh mortar.

Tests for Skim Coat/Wall Putties

Skim coat/wall putties are extremely versatile, finding application both indoors and outside – either as topcoats to smoothen surfaces or as a basis for paintwork and wallpaper. Our technical centers can conduct more than a dozen different types of tests to evaluate the performance and hydrophobic behavior of skim coat/wall putties.

Adhesion Test

Modifying a skim coat with VINNAPAS® binders increases tensile adhesion strength and improves the paint’s adhesion to a wall. The adhesion of paint to a skim coat is evaluated by the crosshatch test. This involves coating a skim-coat specimen with paint and conditioning it for 7 days under standard conditions. The test specimen is scored with crosshatches after 7 days and covered with masking tape. The adhesion of the layer of paint to the skim coat is demonstrated by peeling off the masking tape.

Tests for Waterproofing Membranes

Waterproofing membranes are tested for their impermeability and their ability to bridge cracks. We employ different test methods to obtain the most robust information possible.

Water Impermeability Test

Test for watertightness: cardboard boxes can be waterproofed with 1 - 2 mm coats of polymer-modified waterproofing membranes.

Tests for Self-Leveling Flooring Compounds

Self-leveling flooring compounds contain at least 10 ingredients. The formulations are complex and generally tailored to specific applications. Flowability, pumpability, drying time and emissions are just some of the criteria we check.

Shrinkage Testing

This test measures the shrinkage of a specimen bonded on one side to a metal strip.

Check Us Out Today!

Take a closer look at our Burghausen technical competence center: our interactive PDF presents our equipment and labs and explains the tests and inspections performed here.

You can download our interactive PDF from the box below.