Chemical Name: Polymethylphenylsiloxane
English alternative names:
Phenyl Silicone Oil
Methylphenyl Silicone Oil
Phenylmethyl Silicone Oil
Diphenyl Silicone Oil
CAS NO: 63148-58-3
EINECS NO.: 613-153-9
Chemical Structural Formula
Product Description
IOTA 255 series phenylmethyl silicone oil (CAS NO: 63148-58-3) is an ideal substitute for Dow Corning DC510, DC550, and DC710. It exhibits excellent high and low-temperature resistance, capable of withstanding temperatures above 300°C for extended periods, while its pour point reaches as low as -120°C. This product possesses high thermal stability, oxidation resistance, lubricity, radiation resistance, and water stability, with a working temperature range of -110℃ to 320℃.
Technical Specifications
Appearance: Colorless or light yellow transparent liquid
Viscosity (cst): 20-10000
Relative Density (25℃): 1.01-1.10
Flash Point (open cup) ℃: ≥300
Pour Point (℃): ≤-60
Refractive Index (25℃): 1.4100-1.5400
Performance and Applications
IOTA 255 series phenylmethyl silicone oil possesses high thermal stability, oxidation resistance, lubricity, radiation resistance, and water stability, with a working temperature range of -1000℃ to 320℃. It can be used as a high-temperature heat transfer fluid in insulation, lubrication, damping, shock absorption, and dustproof applications, and as a base oil for high-temperature lubricating oils and greases.
Packaging and Storage
1. Packaged in 25 kg, 50 kg plastic drums or 200 kg iron drums.
2. Store in clean, dry containers in a well-ventilated, dry warehouse.
3. This product is transported as a non-toxic, non-hazardous material.
4. Shelf life: 3 years
