Filler VAKU 20
Filler VAKU 20 - 1
Filler VAKU 20 - 2
Filler VAKU 20 - 3

For detailed information, other images and documents, please select individual articles from the following table.

Filler VAKU 20

Fine filler with high elasticity for sealing pores and for repairing small scratches, grooves and uneven surfaces

  • Smell/fragrance: Characteristic
  • Conditions for VOC concentration: ChemVOCFarb
  • Chemical basis: Polyester resin
  • Colour: White
  • Hardener content: 2 %
  • Density: 1.109 g/cm³
  • Density conditions: at 20°C
  • Max. working life: 5 min
  • Min. working life: 4 min
  • Conditions for working life: at 20°C
  • Conditions for drying time: at 20°C
  • Min. drying time: 20 min
  • Max. drying time: 30 min
  • Max. temperature resistance of the hardened material: 80 °C
  • Max. permissible VOC concentration: 250 g/l
  • Max. VOC concentration: 2 g/l
  • Shelf life from production: 12 Month
  • Additional articles: Sandpaper Useit, art. no. 058130..., 058131..., 0581330...

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You can refine your search by selecting different attributes

Art.-no. Weight of content Included in delivery Smell/fragrance Conditions for VOC concentration Quantity PU
970 g 970 g Vaku, 30 g hardener Characteristic ChemVOCFarb
1960 g 1960 g Vaku, 40 g hardener Characteristic ChemVOCFarb

Packaging unit

The packaging unit defines the number of articles in one packaging. In the catalog segment you can choose from different packaging units if a pop-up menu is displayed.

Just leave the field empty if you don't know the packaging unit when directly entering the article number in the shopping basket or when importing with Easy-/VarioScan. The packaging unit will be determined automatically.

Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

Price with price key representation (PSL):
The price always applies to a quantity ruled through the price key:
Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
In contrast to sales packaging and secondary packaging, the disposal costs for chemical-technical products are shown separately. The breakdown of the individual costs can be found on the relevant products and also in the shopping cart, as well as in our General Terms and Conditions (GTC).
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

Würth Catalogue

Catalogue page as PDF  | 


Datasheets ()

CAD data  | 




Technical information

Exclusively for trade customers

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Finely matched filler and resin combinations

  • Non-porous and closed filling

  • Low dust build-up during sanding

Quick drying

Saves time as further processing can continue directly (sanding, filling and applying top coat)

Easy to sand

  • User friendly

  • Simplifies further processing of the object

Brilliant white pigmentation

  • Optimum surface and preparation for top-coat paint

  • Ideal for use in model and furniture construction

Temperature-resistant up to 80°C


Tip: Before the final coating, skim the repaired spot with 1-component or 2-component universal primer, HS filler or Rust Stop Quattro (to eliminate the risk of visible repair edges or gloss reduction)

Maximum permissible VOC content of VAKU 20: 250 g/l of product category 2(b). Max. VOC content in accordance with German Ordinance on Solvent-Based Paints and Lacquers (ChemVOC FarbV): 2 g/l

The usage instructions are recommendations based on the tests we have conducted and our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee consistent quality of our products. We reserve the right to make technical changes and further develop products.