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lr mq liquid methyl mq silicone resin
lr mq liquid methyl mq silicone resin

LR-MQ Liquid Methyl MQ Silicone Resin

Silfluo LR-MQ Liquid is a methyl MQ silicone resin supplied as a clear solution in toluene or xylene. Produced by co-hydrolysis of tetraalkoxysilane (Q units) and trimethyl-functional silanes (M units), the resin forms a three-dimensional trimethylsilane-terminated polysilicate network with M/Q ratio of 0.60–0.80. Low molecular weight cyclics content is below 0.1%, and hydroxyl content is ≤0.5%.

The pre-dissolved liquid format allows direct incorporation into formulations without powder dispersion steps, at equivalent resin chemistry to the LR-MQ powder grade.


Typical Technical Properties of Methyl MQ Silicone Resin LR-MQ Liquid


Silfluo Code:

LR-MQ

Appearance

Clear liquid

Viscosity (50% Toluene solution, mm2/s):

4.0

Hydrochloric Acid Content (50% Toluene solution, mm2/s):

≤10

Molecular Weight:

5000±1000

Hydroxyl Content(%):

≤0.5

M/Q Value:

0.60~0.80


Solubility of Methyl MQ Silicone Resin LR-MQ Liquid


Hydroxyl Silicone Fluid:

Methyl Silicone Oil:

Vinyl silicone Oil:

White Oil:

Castor Oil:

Paraffin 52:

PE wax:

Isopropanol:

Ethanol:

Water:

Toluene:

Glycerin:

Propylene Glycol:

Ethyl Acetate:

C9-C13 isoparaffins:

○=Insoluble ●=Soluble (≥20%)


Applications of Methyl MQ Silicone Resin LR-MQ Liquid


  • High-Temperature Industrial Defoamers

    The base resin for formulating defoamers and foam stabilizers for high-temperature chemical processes and industrial ink manufacturing.

  • Polyurethane Mold Release Agents

    Used in PU processing to prepare high-solids release concentrates or solvent-borne anti-blocking agents for demolding and post-coating of molded components.

  • Silicone Pressure-Sensitive Adhesives (PSAs)

    Used as a tackifying network resin in addition-cure PSAs, contributing cohesive strength and peel force control for industrial tapes and protective films.

  • Transparent Reinforcing Fillers

    Incorporated into addition-cure LSR and transparent elastomer systems to improve mechanical strength, tear resistance, and dimensional stability without reducing optical clarity.


Package &Storage of Methyl MQ Silicone Resin LR-MQ Liquid


  • In 25kg pail, 200kg drum.

  • Keep in cool, dry and ventilated place. Keep away from sunlight and fire sources. Keep in unopened containers, shelf life is 24 months from the date of production. Transported as non-hazardous substance.

  • Storage beyond the shelf life does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

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