Poly(dimethylsiloxane), hydroxy 481955 Sigma

Poly(dimethylsiloxane), Hydroxy Terminated Sigma-Aldrich Code 481955 Overview

Poly(dimethylsiloxane) hydroxy terminated, commonly referred to as hydroxy-functionalized PDMS or silanol terminated silicone fluid, is a vital functional polymeric material manufactured under product code 481955 by Sigma-Aldrich. Characterized by a Quality Level of 100, this clear liquid polymer integrates reactive silanol end groups that allow precise condensation curing, cross-linking reactions, and block copolymer syntheses. With a kinematic viscosity of approximately 65 cSt, a refractive index of n20/D 1.406, and exceptional thermal stability above 200 C, this grade is an essential raw material for microfluidics fabrication, biomedical elastomer engineering, optical devices, and advanced surface hydrophobic coatings.

Key Features and Advantages of Sigma-Aldrich Hydroxy PDMS Code 481955

Premium research grade product classified under Sigma-Aldrich Quality Level 100

Reactive terminal silanol groups enabling efficient crosslinking and silane functionalization

Optimized kinematic viscosity around 65 cSt ensuring easy handling and defect-free casting

High thermal endurance exhibiting a boiling point exceeding 200 C without degradation

Optical transparency with a defined refractive index of n20/D 1.406 and density of 0.97 g/mL

Superior chemical inertness, biocompatibility, and high flexibility across temperature ranges

Guaranteed authentic product backed by complete analytical documentation from Kian Parto Tadjhiz

Technical Specifications: Poly(dimethylsiloxane), Hydroxy Terminated Code 481955

Product Name: Poly(dimethylsiloxane), hydroxy terminated (PDMS)

Synonyms: Silanol terminated polydimethylsiloxane, Hydroxy silicone oil

Product Code: 481955

Brand: Sigma-Aldrich

Quality Level: 100

SMILES Structure: CSi(O)O

Refractive Index: n20/D 1.406

Kinematic Viscosity: Approx. 65 cSt

Density: 0.97 g/mL at 25 C

Boiling Point: Greater than 200 C

Physical State: Clear, colorless viscous liquid

Target Applications: Microfluidics device manufacturing, RTV silicone elastomers, biomedical research, hydrophobic surface modification, polymer synthesis

Storage Recommendations: Store tightly sealed at room temperature away from excessive moisture

Quality Verification: Supplied with verified batch Certificate of Analysis by Kian Parto Tadjhiz

Why Choose Sigma-Aldrich Hydroxy PDMS Code 481955?

Sigma-Aldrich Poly(dimethylsiloxane) hydroxy terminated code 481955 provides unparalleled batch-to-batch consistency and high functional purity required for sensitive academic research and industrial microfabrication. Its predictable rheological and curing behavior prevents batch variances in microfluidic channel reproduction and polymer matrix development. Sourced and distributed by Kian Parto Tadjhiz with certified batch analysis, it represents the premier standard for advanced materials science and biotechnology laboratories.