BYK Opibent® 541 Additive

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BYK Opibent® 541 Additive
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Optibent® 541 is used as an additive for plasters to improve workability and gives setting retarding. Optibent® 541 is based on a white activated layer silicate and gives an improvement in processing and workability of plasters. Simultaneously, setting retarding is achieved and the incorporation of water into the dry plaster powder is improved. Optibent 541® gives extension of processing time and more open time for coat finishing, especially in white cement containing systems. Applications: Top Coats Reinforcement Plasters White Cement containing Products Information provided by Southern Clay Products
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Physical Properties	Metric	English	Comments

Bulk Density	0.600 - 0.750 g/cc	0.0217 - 0.0271 lb/in³
Brightness	70 %	70 %	Elrepho R 457
pH	9.0 - 12	9.0 - 12	2% solution

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month @Temperature 0.000 - 40.0 °C	12.0 Month @Temperature 32.0 - 104 °F

Component Elements Properties	Metric	English	Comments
H2O, Water	12 %	12 %

Descriptive Properties
Color/Form	white free flowing powder

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PBYK079 / 185076

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