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Silicone coupling agent-Octamethyl cyclotetrasiloxane

Short Description:

Octamethyl cyclotetrasiloxane (D4) Octamethyl cyclotetrasiloxane

Product name: D4, also known as octamethylcyclotetrasiloxane

Molecular formula: [(CH3)2SiO]4 CAS: 556-67-2


Product Detail

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Introduction

Octamethyl cyclotetrasiloxane (D4) Octamethyl cyclotetrasiloxane

Product name: D4, also known as octamethylcyclotetrasiloxane

Molecular formula: [(CH3)2SiO]4 CAS: 556-67-2

Technical Index

1. Appearance: colorless and transparent oily liquid;

2. Chromaticity: Hazen unit ≤ 10;

3. The mass fraction of octamethylcyclotetrasiloxane/%: ≥99;

4. Density: (25℃, g/cm3): 0.9558;

5. Refractive index (25℃): 1.3960~1.3970;

Use

It is the basic raw material for silicone products such as silicone oil (modified silicone oil), silicone emulsion, silicone rubber, silicone resin, etc. It can also be directly used as a rubber filler treatment agent and cosmetic raw material.

Packaging and storage matters

1. This product is packaged in a 200L plastic-lined iron drum (net weight 195㎏/drum), or according to customer requirements and in compliance with safety regulations;

2. When transporting octamethylcyclotetrasiloxane, it should be fireproof, rainproof, moisture-proof, sun-proof, and prevent the mixing of acid and alkali and other impurities;

3. The temperature of the storage place of octamethylcyclotetrasiloxane should be 20℃~40℃, and heat preservation and antifreeze work should be done when the temperature is lower than 17℃. In accordance with the standard GB/T 20435-2006 packaging, transportation and storage conditions, this product has a shelf life of 6 months from the date of production. It can be re-inspected after the expiry date, and it can still be used if the inspection result meets the requirements of this standard


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