Water-based liquid type building material, bio-based powder defoamer BYK-1693SD
VOC, mineral oil, PFAS, and silicone-free powder defoamer. Effective for water-based mineral and dispersed bonding construction materials, especially hybrid systems.
"BYK-1693 SD" is a highly effective and compatible powdered defoamer for hybrid systems that combine mineral-based dry mix mortars with water-based or powder dispersions. The special combination of active ingredients in the additive provides powerful and lasting defoaming properties across the entire range of applications. By reducing the air bubble content, it improves the characteristics of fresh mortar and the physical properties of the cured system. BYK-1693 SD is particularly suitable for two-component waterproof membranes.
basic information
【General Properties】 ■Bulk Density: 250–450 kg/m³ ■Carrier: Inorganic ■Bio-based Carbon Content (ASTM D6866): 54% ■Color: White ■Form: Powder Features • Highly effective defoaming in hybrid systems • Excellent compatibility with various binder systems • Strong and lasting defoaming effect • Increased density of fresh mortar and hardened systems • Improved flexural and compressive strength • Optimal surface properties in hardened systems • Easy addition due to powder form
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Model number/Brand name
BYK-1693 SD
Applications/Examples of results
【Applicable Fields】Construction and Building Chemicals Recommended Uses - Waterproof membrane (Polymer Cement Mortar (PCM)) - Concrete mortar repair (Polymer Concrete Cement (PCC)) - Bonding of compounds and putties - Tile adhesive - Skim coat - Leveling of compounds (SLU/SLO) - Screed
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