Neutral silicone perfect
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Ideal for window glazing
Meets the requirements of window glazing in accordance with DIN 18545, Part 2 Sealant Group E
Excellent adhesion on wood, metals and many plastics
Excellent compatibility with paint
Optimum adhesion on the majority of standard paint and glazing coatings
Neutral silicone Perfect is not suitable for adhesive bonding or filling hollow spaces. Complies with building material class DIN 4102. Due to the large number of existing paint and glazing formulas, especially on alkyd resin paints, oil-based coatings and powder-coated aluminium, it is necessary to perform your own tests. Remove excess smoothing agent on the glass and frame. Otherwise there is the risk of streaking. Risk of yellowing on contact with white alkyd resin paints cannot be excluded. The transparent colour is adjusted to be milky/cloudy. When hardening, neutral silicone Perfect gives off an odour typical of silicone. This odour can no longer be smelled once the hardening process is complete. Colour adjustment: matt. Silicone surfaces should not be cleaned with non-abrasive cleaning agents and non-etching cleaners.
Silicone has a tendency to discolour in dark areas where there is no UV exposure. Avoid contact with VKP tape.
For materials and substances that come into contact with the sealant after processing, the user must ensure that their content or fumes cannot cause any impairment or alteration (e.g. discolouration) of the sealant joint. To determine the precise colour, use sample card art. no. 5995000400
Tested in accordance with EN 15651 Parts 1, 2 and 3
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.
Please observe the "General Notes on Application for Sealants" and "Construction Material Compatibility of Würth Sealants" overview sheet.
Neutral crosslinked silicones, oxime-based
Continuous motion absorption
Full curing speed/conditions
2 mm/d / 23°C and 50% relative humidity
Min./max. processing temperature
5 to 40 °C
Min./max. temperature resistance
-40 to 150 °C
Shore A hardness
Min. breaking elongation
Breaking elongation conditions
for 2-mm film
Building material class
B2 - Normally inflammable
Water-vapour diffusion resistance factor value µ
Number per pallet