Dimethyl Silicone Oil 20cst CAS 63148-62-9 Low Viscosity Defoamer for Paint and Ink Industry
Dimethyl Silicone Oil 20cst CAS 63148-62-9 is low-viscosity polydimethylsiloxane (PDMS) fluid.
With low surface tension, it delivers excellent foam breaking and foam inhibition performance. It can rapidly eliminate air bubbles generated during stirring, grinding and coating processes of paints and inks. It features suitable system compatibility and will not easily cause film shrinkage defects. It serves as an efficient silicone-based defoamer widely adopted in the paint and ink industry.
Dimethyl Silicone Oil 20cst CAS 63148-62-9
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Product Overview
Dimethyl Silicone Oil 20cst CAS 63148-62-9 is low-viscosity linear polydimethylsiloxane (PDMS).This silicone fluid has ultra-low surface tension, which enables it to penetrate and rupture foam membranes quickly. It effectively eliminates microbubbles and macro bubbles produced during stirring, grinding, dispersion and coating of paints and printing inks. With optimized viscosity, it maintains moderate compatibility with most coating systems. When applied in proper dosage, it efficiently suppresses recurring foam and reduces common surface defects. It is a cost-effective silicone defoamer for paint and ink industrial production.
Product Properties
Clear, colorless and transparent oily liquid, odorlessKinematic viscosity: 20 mm²/s (25℃)Low surface tension, rapid foam breaking and persistent anti-foam abilityGood heat resistance and chemical stabilityCompatible with solvent-based coating and ink formulationsLow volatility, stable performance under normal processing temperatureInert to common pigments, fillers and resin raw materials
Core Advantages
- Excellent defoaming efficiency, quickly eliminate foam in mixing and production procedures
- Long-lasting foam inhibition effect, restrain foam regeneration
- Moderate system compatibility, low risk of shrinkage cavities and fish eyes under correct addition amount
- Stable performance during high-speed dispersion and grinding processes
- Wide adaptability to various solvent-based paints, varnishes and printing inks
- Low addition dosage, economical for mass industrial production
Main Applications
20cst Dimethyl Silicone Oil works as low viscosity silicone defoamer for paint and ink industry.Typical applications: solvent-based industrial coatings, printing inks, varnishes, wood coatings, metal surface paints, coil coatings, pigment grinding systems, adhesive coating formulations.
Usage Guidance
Recommended dosage: 0.05%–0.3% of the total formulation weight.Can be added directly at the grinding stage or the final mixing stage.Pre-dilution with matching solvent is suggested for uniform dispersion.Carry out small-scale compatibility test in advance to avoid surface film defects.Do not mix with strongly alkaline raw materials for long-term storage.
Packing & Storage
Standard package: 25kg plastic drum; small test samples are available.Keep container tightly sealed. Store in cool, dry and ventilated warehouse. Keep away from open flame, high temperature and strong oxidants. Avoid direct sunlight during transportation. Prevent water and foreign impurities from contaminating the product.
Our Service
We supply stable bulk Dimethyl Silicone Oil 20cst CAS 63148-62-9. Consistent viscosity control guaranteed. Free lab samples can be offered for formulation testing. Our technical team provides support for dosage adjustment and compatibility testing in paint & ink systems.
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