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Wacker launches polymeric binder for gypsum products

31 Jan '15

2 min read

Wacker Group, a worldwide operating company in the chemical business, is set to launch its new polymeric binder for modifying gypsum drywall products at the European Coatings Show (ECS) in Nuremberg, Germany, to be held from April 21 to 23, 2015.

Vinnapas 4800 G gives gypsum-based joint fillers outstanding tensile adhesive strength on gypsum plasterboard and jointing tapes. Joint fillers finished with this new dispersible polymer powder also show excellent workability to yield particularly smooth surfaces. Furthermore, the powder’s low emissions make it ideal for joint fillers and jointing compounds used indoors, the company said in a press release.

The new powder boosts the adhesion of grout mortars to both reinforcement strips and plasterboard. The reinforcement strips, which may be made of paper, glass fibre, or specialty nonwovens, are placed in the joints and plastered over to make the joint more stable and to prevent cracks. It is ideal for enhancing ecologically sound, gypsum-based dry-mix mortars for joint fillers and jointing compounds used indoors.

Additionally, Wacker will also be presenting Silres BS powder S, an additive for waterproofing gypsum-based dry-mix mortars. This highly efficient powder is low in volatile organic compounds and can be quickly mixed with water without raising dust.

Drywall technology is very popular today because it is easy and quick to install. Polymeric binders are important ingredients in joint fillers because they give the gypsum mortar the necessary stability, adhesion, flexibility and workability.

The Wacker Group product range includes silicone rubbers, polymer products like ethylene, redispersible polymer powder, chemical materials, polysilicon, and wafers for semiconductor industry. (GK)

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