Octamethylcyclotetrasiloxane
Molecular Formula :
C8H24O4SI4
Description :
Overview of Octamethylcyclotetrasiloxane
Octamethylcyclotetrasiloxane (D4) is a cyclic silicone compound widely used in silicone polymer production, rubber processing, coatings, and specialty formulations. It serves as a key intermediate in manufacturing silicone elastomers, fluids, and resins, offering excellent thermal stability, flexibility, and water repellency.
At ChemicalBull Pvt. Ltd., a leading bulk supplier of silicone intermediates and polymer additives, we provide Octamethylcyclotetrasiloxane (D4) with consistent quality for plastic, rubber, and advanced material industries.
Applications of Octamethylcyclotetrasiloxane (D4)
Silicone Polymer & Elastomer Production
D4 is primarily used in the production of silicone polymers and elastomers, offering flexibility, durability, and thermal resistance in end-use applications.
It works effectively with Vinyltrimethoxysilane, improving crosslinking efficiency in silicone-based systems.
Plastic Processing & Additive Systems
In plastic processing, D4 is used as a modifier and intermediate, enhancing surface properties, lubrication, and processing efficiency in polymer formulations.
It complements Polypropylene Glycol (PPG-400), improving flexibility and compatibility in polymer systems.
Rubber & Silicone Elastomers
D4 is widely used in silicone rubber manufacturing, providing elasticity, weather resistance, and long-term stability in rubber products.
It works alongside Carbon Black / Carbon Black Oil, improving reinforcement and performance in elastomer systems.
Coatings & Surface Treatment
In coatings, D4 contributes to water repellency, smooth finish, and chemical resistance, making it ideal for high-performance coatings.
It integrates well with Melamine Powder, enhancing coating hardness and durability.
Adhesives & Specialty Formulations
D4 is used in adhesives and specialty formulations, improving spreadability, adhesion, and formulation stability.
It supports systems using Hydrogenated C5 Hydrocarbon Resin, enhancing consistency and bonding performance.
Safety & Handling Guidelines
- Store in a cool, dry, well-ventilated area
- Use PPE (gloves, goggles, protective clothing)
- Avoid inhalation of vapors
- Keep away from ignition sources
- Follow MSDS guidelines for safe handling
Where to Buy Octamethylcyclotetrasiloxane (D4)?
Manufacturer Source
Produced by established global manufacturers with strict quality control for silicone intermediates and polymer-grade materials.
Supplier & Distributor
ChemicalBull Pvt. Ltd. – Reliable partner for sourcing bulk silicone intermediates, polymer additives, and performance chemicals for plastic & rubber industries.
Octamethylcyclotetrasiloxane MSDS
Available on request with complete details on safe handling practices, storage requirements, hazard identification, and emergency procedures.
Ensures compliance with safety standards for transport, storage, and industrial usage.
Frequently Asked Questions
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What is Octamethylcyclotetrasiloxane mainly used for?
It is used as a key intermediate in the production of silicone polymers, elastomers, and specialty formulations. -
Is D4 suitable for silicone rubber manufacturing?
Yes, it is widely used to produce silicone elastomers with excellent flexibility and durability. -
Can D4 improve coating performance?
Yes, it enhances water repellency, smoothness, and chemical resistance in coatings. -
What industries use Octamethylcyclotetrasiloxane in bulk?
It is commonly used in silicone manufacturing, plastics, rubber, coatings, and adhesives industries. -
What factors should buyers consider before sourcing D4?
Purity, consistency, and compatibility with silicone systems are key considerations.
