Agitator comparison 2018

Purchase advice on agitator comparison or test 2018

  • A mortar stirrer you need for mixing concrete, mortar or wall paint. Thorough mixing of the individual components is crucial for the quality of the building material.
  • For light building materials such as paint or plaster, a paint agitator is sufficient, while you should definitely use a concrete agitator for the processing of heavier materials such as concrete.
  • The performance of an agitator is best recognized by the speed of the engine. For most common applications, a nominal speed of 600 rpm is sufficient.

Agitator comparison 2018: 2018

The German construction industry is booming: According to figures from the Association of the German Construction Industry e.V., 36.87 billion euros were generated in 2016 alone in residential construction. One of the most important building materials is concrete. Alone According to Statista, 46 million cubic meters of ready-mixed concrete were processed in 2015.

However, mixing concrete to get out of the concrete plant is usually worthwhile only for larger construction projects. If you are only doing minor renovations such as plan the renovation of a concrete staircase or terrace, It is often better to mix the required amount of building material directly on site, Which mixer is suitable for mixing mortar or concrete and which safety precautions are recommended when using this tool can be found in our Agitator Comparison 2018.

  • to the demolition hammer comparison
  • for drywall sander comparison

1. How does a stirrer work?

Agitator comparison 2018: agitator

Sand, cement and water must be stirred to a homogeneous mass before hardening to a firm foundation.

The devices we present to you in our agitator comparison are Electric devices that work in a similar way to a drill. The motor rotates the agitator attachment so that the liquid building material is well mixed. For concrete, the thorough mixing of the main components sand, cement and water is important for the strength of the building material after curing.

Agitators are designed to handle volumes of around 100 liters for immediate processing. If you want to process an even larger volume of building materials, you better reach for a concrete mixer, which keeps the finished mass moving without your intervention. If, on the other hand, you want to process significantly less building material up to about 15 l, it is better to use a simple agitator attachment for the drilling machine instead of the agitator.

2. Stirrer types

Agitator Typeproperties

Agitator comparison 2018: 2018

A concrete agitator is equipped with a particularly powerful motor, which is designed for continuous operation and can cope with all common stirrable building materials.

powerful agitator motor
usually with two sturdy handles for a firm hold
suitable for mixing concrete, gypsum, mortar and paint

relatively heavy weight
more expensive to buy than a paint agitator

a paddle

Agitator comparison 2018: mixing

The motor of a paint agitator is not strong enough for mixing concrete, but you can mix facade and wall paints or light building materials such as leveling compound.

handy and easy to use
favorable agitator
suitable for mixing paint, plaster and mortar

Engine not powerful enough for cement or concrete

Conclusion: For painting a cheap paint brush is completely sufficient. However, if you are planning larger construction projects, it is worth purchasing a mortar stirrer, which can handle even heavier building materials.
  • for wall color comparison
  • for facade color comparison

3. Purchase advice for agitators

Agitator comparison 2018: 2018

Stirrers are also a useful tool for more extensive painting work.

Many do-it-yourselfers who want to buy a stirrer first of all wonder whether a stirrer from Güde or Eibenstock is preferable or that Makita stirrers may be more durable than Collomix stirrers.

In fact, we advise you to make the purchase decision more dependent on features such as engine RPM and maximum mixing volume rather than relying heavily on brand names when looking for the personal agitator test winner. Used stirrers can perform just as well as a brand new stirrer, as long as you are sure that the previous owner used it with care.

For the sake of completeness, we have compiled an overview of the most important brands and manufacturers:

  • Atika
  • collomix
  • Festool
  • Varo
  • Flex
  • Hitachi
  • Rubi
  • Eibenstock
  • Wolfcraft
  • Bosch
  • Einhell
  • güde
  • Makita
  • Metabo

3.1. Power and speed

The power consumption of the concrete stirrer motors is usually between 1,200 and 1,800 watts. However, this size says more about the power consumption than about the performance of the engine. In order to judge these, above all the speed indication should be considered - however not the number of revolutions in idle, but the rated speed, thus the number of revolutions, which creates the device under full load.

Note: For all common stirrer applications in the DIY category, a rated speed of 600 revolutions per minute is sufficient.

3.2. mixing volume

Agitator comparison 2018: mixing

Use a sufficiently large agitator tank and a suitable agitator diameter for your construction project.

Which mixing volume can be processed with a stirrer depends above all on the strength of the motor and the diameter of the agitator attachment.

It is important to avoid exceeding the maximum mixing volumebecause overloading or overheating of the motor can cause damage to the unit, even with the best agitator.

If you tend to mix small quantities of not more than one 40 kg bag of dry matter at once, a small whisk of about 140 mm diameter is sufficient. Larger amounts usually require a higher Rührquirl diameter. In principle, the amount of building material multiplied when mixed with water in about a factor of 2.3.

Note: When choosing the right mixing container, note that, for example, 40 kg screed will result in a mixing volume of 92 l.

Agitator comparison 2018: 2018

3.3. Is there a stirrer test by Stiftung Warentest?

Various applications

Mixers are used not only on the construction site, but also in the brewery: There, the agitator ensures sufficient mixing of barley, hops and water during beer production. In biogas plants, on the other hand, the manure agitator keeps the biomass in motion, so that it remains in a liquid state and does not harden.

So far, Stiftung Warentest has not conducted its own agitator test. In the 05/2003 edition, she gives some DIY measures to do-it-yourselfers who are looking for building materials such as concrete, mortar and screed reduce the risk of burns and eye injuries should:

  1. Wear protective goggles and a breathing mask when doing dusty work, mixing building materials or carrying out demolition work.
  2. Wear plastic-sealed cotton gloves when processing wet materials. They are less permeable to moisture than leather gloves.
  3. Immediately change your clothing, including shoes and gloves, if they have become wet while handling building materials.

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Video Board: What Cleans Better? Washers with an Agitator vs No Agitator