
Food Grade Polydimethylsiloxane (PDMS) 350 cSt
Silico® Food Grade PDMS 350 cSt is a high-purity, linear polydimethylsiloxane silicone fluid for food processing and incidental food contact. It offers excellent thermal stability, chemical inertness, low surface tension, and reliable performance as a defoamer, release agent, and lubricant.
Introduction
Silico® Food Grade Polydimethylsiloxane (PDMS) 350 cSt is a high-purity, linear silicone fluid specifically engineered for food processing and incidental food contact applications.
This product is based on polydimethylsiloxane (PDMS) and exhibits outstanding thermal stability, chemical inertness, low surface tension, and excellent lubricating performance.
Silico® PDMS 350 cSt is colorless, odorless, non-toxic, and physiologically inert, making it an ideal choice for use as a defoamer, release agent, and equipment lubricant in regulated food and beverage manufacturing environments.
Technical Specifications
| Property | Typical Value |
|---|---|
| Chemical Name | Polydimethylsiloxane (PDMS) |
| Brand | Silico® |
| CAS Number | 63148-62-9 |
| Viscosity @ 25 °C | 350 cSt |
| Appearance | Clear, colorless liquid |
| Odor | Odorless |
| Density @ 25 °C | ~0.97 g/cm³ |
| Refractive Index @ 25 °C | ~1.403 |
| Surface Tension | ~21 mN/m |
| Flash Point | > 300 °C |
| Pour Point | Approx. –50 °C |
| Thermal Stability | Excellent |
| Water Solubility | Insoluble |
| Shelf Life | ≥ 5 years (sealed, original packaging) |
Key Performance Advantages
- Food-Grade Quality
Manufactured to meet strict purity requirements for food processing environments and incidental food contact applications. Balanced Viscosity (350 cSt)
Optimized flow behavior offering excellent spreading, lubrication, and film-forming properties.Excellent Thermal Stability
Maintains performance over a wide temperature range without oxidation, degradation, or residue formation.Outstanding Chemical Inertness
Non-reactive with metals, plastics, elastomers, and most food processing materials.Low Surface Tension
Enables uniform coating, effective release performance, and superior anti-foaming efficiency.Neutral Sensory Profile
Odorless and tasteless; does not alter food characteristics or contaminate processing lines.
Typical Applications
Silico® Food Grade PDMS 350 cSt is widely used in:
Food-grade defoaming systems for beverage, fermentation, and food processing lines
Mold release agents for bakery, confectionery, and molded food products
Lubrication of food processing equipment, conveyors, valves, seals, and gaskets
Anti-sticking and slip applications on metal, plastic, and rubber food contact surfaces
Packaging and bottling lines requiring clean, non-carbonizing lubrication
Note: Designed for incidental food contact only. Not intended for direct food consumption.
Packaging Options
Silico® Food Grade PDMS 350 cSt is available in multiple packaging formats to meet industrial requirements:
20 kg / 25 kg pails
180 kg / 200 kg drums
Bulk supply available upon request
Storage & Handling
- Store in tightly sealed containers
Keep in a cool, dry, and well-ventilated area
Avoid prolonged exposure to moisture, dust, and direct sunlight
Follow standard industrial hygiene practices when handling bulk materials
Documents
Why Choose Silico® Food Grade PDMS 350 cSt
Silico® Food Grade Polydimethylsiloxane 350 cSt offers an optimal balance of viscosity control, regulatory compliance, and long-term performance stability.
It is trusted by food processors and equipment manufacturers seeking a reliable, clean, and inert silicone fluid that performs consistently in demanding production environments.

Jessica G.
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