BYK-1730 is a VOC-free silicone defoamer designed for use in aqueous emulsion paints, pigment concentrates, and printing inks. Here are the key details outlined in the provided data sheet:
- Composition: BYK-1730 consists of a mixture of foam-destroying polysiloxanes and hydrophobic solids in polyglycol.
- Typical Properties:
- Density (20°C): 1.00 g/ml
- Refractive index (20°C): 1.449
- Food Contact Legal Status: The data sheet suggests contacting the product safety department or visiting the BYK website for information regarding the current food contact legal status.
- Storage and Transportation: It's noted that separation is possible, so thorough mixing before use is recommended.
- Applications: BYK-1730 is suitable for use in coatings and printing inks.
- Special Features and Benefits: This defoamer is recommended for defoaming aqueous emulsion paints, aqueous pigment concentrates, and printing inks. It is VOC-free (< 1500 ppm).
- Recommended Levels: The recommended usage levels range from 0.1% to 1% additive (as supplied) based on the total formulation. Optimal levels are determined through laboratory tests.
- **Incorporation and Processing Instructions**: Due to its high activity, BYK-1730 should be incorporated at high shear forces to ensure good distribution and prevent defects in the system.
This product is manufactured by BYK-Chemie GmbH in Germany. It's important to note that the provided information is based on the manufacturer's knowledge and experience, and suitability for specific purposes should be tested prior to use.
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