Bernd Schwegmann GmbH & Co. KG
Wernher-von-Braun-Str. 14
53501 Grafschaft-Gelsdorf
Tel +49 (0) 22 25 / 92 26 -0
Fax +49 (0) 22 25 / 92 26 -33
info@SchwegmannNet.de

SCHWEGO® foam 8333

Defoamer and deaerating additive for water based coating systems, VOC- and silicone free

Chemical base: Block copolymer
Properties: SCHWEGO foam 8333 is an interfacially active product that suppresses the formation of air inclusions and destroys air bubbles before the film dries. SCHWEGO foam 8333 preserves gloss and is therefore also suitable for varnishes. Coatings with SCHWEGO foam 8333 show a long term stability above average.
Applications: SCHWEGO foam 8333 is especially suitable to defoam systems based on polyurethane, polyester and their hybrids. It is effective as defoamer and as de-aerating additive.
Technical data:
(Guide values)
Appearance : yellow, clear liquid
Density (ISO 2811-1) : 1,00 g/cm³
Flash point (ISO 1523) : >100°C
Active matter : 100 %
Processing: The dosage of SCHWEGO foam 8333 is between 0.2 - 1.0 % calculated on total system. The optimum addition amount should be determined by lab tests. SCHWEGO foam 8333 has to be incorporated intensively and should therefore be dispersed. Post addition is possible, if a homogeneous dispersion is guaranteed.
Storage: Do not store SCHWEGO foam 8333 at temperatures below 5 °C. Stir it up befor use. Keep it in a cool, well-ventilated place. At temperatures below 0 °C some ingredients of SCHWEGO foam 8333 may crystallise, which ist reversible by heating or stirring up the product and has no inluence on product quality.
Subject to appropriate storage, the described properties of SCHWEGO foam 8333 remain stable for at least 18 months, provided the original container is closed after use.
Packaging: 50/180 kg drum
The above information is based on our current knowledge and experience. No binding assurance in respect of certain properties or suitability for certain applications must be read into our information. Patent rights and other proprietary rights must be observed if necessary. Further safety instructions please learn from our material safety data sheet.