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Boards & Panels

Building with gypsum and fiber cement boards is fast and flexible. To additionally ensure a high quality standard, VINNAPAS® polymer binders are used to enhance the characteristics of mortars, plasters and joint fillers in these applications. SILRES® BS silicone resins are ideal for hydrophobization.

Thanks to its favorable carbon footprint, gypsum contributes significantly to sustainable construction. However, gypsum is water-soluble. VINNAPAS® dispersible polymer powders and SILRES® BS products help to compensate for this disadvantage.

Cement fiber boards, backer boards and fire-resistant boards are treated with SILRES® BS products to reduce the capillary water absorption by post- or bulk-impregnation.

Benefits

  • Increased freeze/thaw resistance
  • Better dimensional stability in wet areas
  • Prevention of premature drying of plasters, mortars and tile adhesives through optimal water retention
  • Reduced water absorption of lightweight fillers
  • Prevention of additional water ingress at cut edges by integral hydrophobization
  • No paint peeling (siloxane used as primer)

产品推荐

表格可上下滚动
个产品
技术数据
适用性
成分 Viscosity, kinematic 运动粘度 外观
板材和面板
水泥纤维板
SILRES BS 1705 BR - - - - - - - - - -
SILRES® BS 1603 CN - - 130 - 300 mm²/s[1] 130 - 300 mm²/s[1] - - clear, colorless to slightly yellow[3] clear, colorless to slightly yellow[3] - -
SILRES® BS 1701 - - - - - - - - - -
SILRES® BS 1702 approx. 100.0 %[5] approx. 100.0 %[5] - - - - clear to opaque, colorless to yellowish[4] clear to opaque, colorless to yellowish[4] - -
SILRES® BS 1703 SQ - - - - 130 - 300 mm²/s[2] 130 - 300 mm²/s[2] clear, colorless to slightly yellow[3] clear, colorless to slightly yellow[3]
SILRES® BS 1705 - - - - - - - - - -
SILRES® BS 3003 - - - - - - - - - -
说明
[1] Viscosity, kinematic | DIN 51562-1 ,  [2] 运动粘度 | DIN 51562-1 ,  [3] Appearance and color,  [4] 外观 | WSTM-1118,  [5] 硅烷含量,  [] 适合,  [] 非常适合,  [] 极其适合 

To improve the poor moisture resistance of gypsum, SILRES® BS polymethylhydrosiloxane emulsions can be used for water-repellent treatment. Thanks to the chemical interaction between the gypsum crystals and the silicone, these materials provide far more efficient protection than organic water repellents.

Enhancing wallboard:

Used as admixture with significant benefits over wax additives (for all wallboard plants)

Enhancing fiberboards:

Surface treatment with excellent hydrophobic properties

产品推荐

表格可上下滚动
个产品
技术数据
折射率 Content Appearance
SILRES® BS 16 - - - - - -
SILRES® BS 46 - - approx. 50 wt. %[1] approx. 50 wt. %[1] milky-white liquid[2] milky-white liquid[2]
SILRES® BS 94 approx. 1.396 approx. 1.396 - - colorless liquid colorless liquid
说明
[1] Solid content,  [2] Appearance | ASTM D 412,  [] 适合,  [] 非常适合,  [] 极其适合 

VINNAPAS® dispersible polymer powders are used as binders in gypsum plasters and fillers to improve manual and machine processing, reduce the water uptake and increase the flexibility, making for smooth, crack-free surfaces. Grades without plasticizers support the formulation of low-emission end products.

Benefits

  • Outstanding tensile adhesive strength on gypsum plasterboard and jointing tapes
  • Excellent workability
  • Particularly smooth, level surface devoid of cracks or crevices
  • Reduced water uptake
  • Plasticizer-free products available

Reduction in the Water Absorption of a Gypsum Joint Filler

Between x and y weight percent SILRES® BS POWDER G is added to a commercially available gypsum joint filler (left-hand bar). The test specimens obtained were then immersed in water for two hours. The chart shows how much water by weight percent was absorbed by the test specimens.

SILRES® POWDER G is an additive for waterproofing gypsum-based dry-mix mortars. It is an active substance in solid form and low in volatile organic compounds. SILRES® POWDER G can reduce the water absorption of gypsum powder products by more than 90% applying a dosage rate of 0.5 weight percent.

Benefits

  • Good water-repellency
  • Easy handling and storage

Product Recommendations

Products
Technical data
Product properties
Suitability
最低成膜温度 具体特征
墙面填缝剂
SILRES® POWDER G - - -
VINNAPAS® 4023 N (GER) 1 °C[1] 33.8 °F[1] -
VINNAPAS® 4115 N (GER) 4 °C[1] 39.2 °F[1] - -
VINNAPAS® 4121 N 1 °C[1] 33.8 °F[1] - -
VINNAPAS® 5005 N 11 °C[1] 51.8 °F[1] - -
VINNAPAS® 5010 N (GER) 4 °C[1] 39.2 °F[1] -
VINNAPAS® 5012 T 4 °C[1] 39.2 °F[1] - -
VINNAPAS® 5710 N (GER) (Scale-up Product) 4 °C[1] 39.2 °F[1] -
VINNAPAS® 7031 H 0 °C[1] 32.0 °F[1] 憎水性 -
VINNAPAS® 8812 T 4 °C[1] 39.2 °F[1] - -
Legend
[1] 最低成膜温度 | DIN ISO 2115,  [] Suited,  [] Well suited,  [] Ideally suited