Silicone Oil

Dimethyl Silicone Oil (PDMS)

CAS 9006-65-9

Dimethyl silicone oil (polydimethylsiloxane, PDMS) is the most widely used silicone fluid, offering broad viscosity choice, outstanding thermal stability, and versatile compatibility with cosmetics, industrial, and electrical applications.

Phenyl Silicone Oil

Phenyl silicone oil incorporates phenyl groups into the siloxane backbone, delivering superior high-temperature stability (up to 350 °C), improved refractive index, and better compatibility with organic compounds compared to standard PDMS.

Methyl Hydrogen Silicone Oil

CAS 63148-57-2

Methyl hydrogen silicone oil (MH fluid) contains Si-H reactive groups that cross-link with vinyl silicones under platinum catalysis, making it the essential cross-linker in addition-cure silicone rubber and paper/textile hydrophobing systems.

Amino Silicone Oil

Amino silicone oil is a PDMS fluid modified with aminopropyl or aminoethylaminopropyl functional groups, providing substantivity to hair, fiber, and textile surfaces via ionic bonding with anionic substrates.

Polyether Silicone Oil

Polyether-modified silicone oil (silicone polyether copolymer) combines the surface activity of polyether chains with the thermal stability of PDMS, delivering water-solubility, dynamic foam control, and leveling performance in coatings.

Alkyl-Modified Silicone Oil

Alkyl-modified silicone oils carry long-chain alkyl substituents (C8–C18) on the siloxane backbone, providing excellent compatibility with mineral oils and waxes, improved spreadability, and substantive feel in personal care formulations.

Fluorosilicone Oil

Fluorosilicone oil replaces some methyl groups with trifluoropropyl groups, adding fuel, solvent, and chemical resistance to the inherent thermal stability and low-temperature performance of PDMS.

Silicone Oil 50 cSt

50 cSt silicone oil is a low-to-medium viscosity PDMS fluid offering a good balance of spreadability and film formation, widely used in cosmetics, mold release, and light lubrication applications.

Silicone Oil 100 cSt

100 cSt silicone oil is the most popular general-purpose PDMS grade, balancing fluid flow and surface coverage for cosmetic bases, heat transfer media, and general industrial lubrication.

Silicone Oil 350 cSt

350 cSt silicone oil provides enhanced film persistence and cushioning properties, making it ideal for textile finishing baths, electronics potting, and process lubricants where moderate viscosity is required.

Silicone Oil 1000 cSt

1000 cSt silicone oil is a medium-high viscosity PDMS grade offering robust film thickness and enhanced defoaming efficiency in concentrated release coatings and foam control formulations.

Silicone Oil 12,500 cSt

12,500 cSt silicone oil is a high-viscosity PDMS fluid used in damping applications, shock absorbers, and mechanical pencil barrels where controlled resistance to motion is essential.

Silicone Oil 60,000 cSt

60,000 cSt silicone oil is a very high viscosity PDMS fluid approaching gel-like consistency, used in specialty damping, high-load shock absorption, and as the base for silicone grease formulations.

Silicone Oil for Cosmetics

Silicone oils are the backbone of modern cosmetic formulations, delivering the silky, non-greasy skin feel that consumers expect while enhancing spreadability, pigment dispersion, and emulsion stability.

Silicone Oil for Hair Care

Silicone oils — from lightweight cyclomethicone to substantive amino silicone — are the primary conditioning agents in shampoos, conditioners, and styling products, providing shine, detangling, and frizz control.

Silicone Oil for Textile Softeners

Silicone softeners based on amino or polyether silicone oils are the standard for premium fabric finishing, providing durable softness, tear strength retention, and easy-care properties on cotton, polyester, and wool.

Silicone Oil Defoamers

Silicone-based defoamers combine PDMS oil with hydrophobic fumed silica particles to deliver outstanding foam knockdown and prevention at ppm addition levels across aqueous and non-aqueous systems.

Silicone Oil Release Agents

Silicone oil-based release agents form an ultra-thin, low surface energy film on mold surfaces, enabling clean demolding of rubber, polyurethane, and thermoplastic parts with zero contamination to the substrate.

Silicone Oil for Transformers

Silicone transformer fluid offers fire-resistant dielectric cooling for indoor and urban transformers, replacing PCBs and mineral oil in high-risk installations with superior thermal stability and non-toxicity.

Silicone Damping Oil

High-viscosity silicone damping oils provide stable, predictable resistance to motion in shock absorbers, rotary dampers, and precision instruments due to their flat viscosity-temperature profile.

Food-Grade Silicone Oil

Food-grade silicone oil (PDMS) complies with FDA 21 CFR 172.878 and EU Regulation 10/2011 for direct and indirect food contact, serving as an anti-foam agent, mold release lubricant, and surface coating in food processing.

Silicone Oil Types Comparison

A comprehensive side-by-side comparison of all seven silicone oil types — dimethyl, phenyl, methyl hydrogen, amino, polyether, alkyl, and fluorosilicone — covering chemistry, performance, and application fit.

Dimethyl vs Phenyl Silicone Oil

Head-to-head comparison of dimethyl PDMS and phenyl silicone oil: when to choose the higher-cost phenyl grade for temperature, optical, or radiation resistance requirements.

Silicone Oil vs Mineral Oil

Silicone oil and mineral oil each have distinct performance profiles. This guide helps buyers choose the right fluid based on temperature, biodegradability, food contact, regulatory, and cost requirements.

Dimethyl vs Amino Silicone Oil

Choosing between standard dimethyl PDMS and reactive amino silicone oil for hair care and textile applications: a technical guide for formulators.

Silicone Oil Buyer Guide

A complete purchasing guide for silicone oil buyers: how to specify the right type and viscosity, evaluate supplier quality, understand pricing drivers, and navigate regulatory requirements.

Silicone Oil Viscosity Selection Guide

Step-by-step viscosity selection guide: how to match PDMS viscosity grade to your application by analyzing temperature range, shear rate, film thickness requirements, and processing constraints.