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Resin MSO-RM

Name
Resin MSO-RM
Product description

МSО-RM is a solution of polymethylsiloxane with functional reactive groups in an organic solvent.

Our products

A binder for the production of rigid mica insulators, for heat-resistant and electrical insulating composite materials, enamels.
Fields of application

Due to its high silica content, MSO-RM is:

  • a standard binder for the production of rigid silicone resin bonded mica insulators and the pressing of compositions for electrical engineering;
  • an excellent binder for heat-resistant and electrical insulating composite materials;
  • a binder for the production of heat-resistant and dielectric enamels.
Benefits
  • Polymethylsiloxane resin has a very high concentration of silicon dioxide (after complete oxidation ~ 80%, expressed in solid resin units), therefore it is an ideal binder for applications at temperatures above 300°C;
  • outperforms phenyl-silicon organic resins, because produces less smoke and provides more binding strength;
  • has excellent thermal stability.
Application

Silicone resin bonded mica electrical insulators can be made by diluting Unisil MSO-RM with toluene or xylene to the required solids content to adjust resin absorption in prepregs (typical resin content in the final product is 8 to 12 % by weight). Then add the required amount of hardener to the silicone resin solution.

After processing the mica sheet soaked by standard methods such as dipping or spraying, the composite material is heat treated to remove the solvent. The temperature of the resin in the impregnated sheet should not exceed 80°C - 100°C, otherwise the resin will harden prematurely.

Note:

  1. The quality of the final product is mainly determined by the concentration of the hardener, drying, compression temperature and working pressure.
  2. Before use, it is recommended to carry out preliminary studies to determine the best processing conditions.
Storage

Store in original tightly closed container at temperatures from 0°C to +30°C.

Store in original containers in a dry, cool and ventilated place, away from sources of ignition and high temperatures. Protect from direct sunlight. Keep away from alkalis, strong oxidizing agents and organic acids.

The guaranteed shelf life in original container is 12 months.

Storage over the date specified on the label does not necessarily mean the product is unusable. In case if store more please check the properties of product before use.

Packaging

Steel barrels with an internal polymer coating with a capacity of up to 200 dm3.

Safety information

Detailed instructions are given in the relevant product safety data sheet. It can be provided upon request.

Parameter name and measure unit Standard
Appearance Colorless or slightly yellowish liquid with slight opalescence
Mass content of solids, %, min. 50,0
Density at temperature (+25,0±0,5)°С, g/cm3 0,950 – 1,050
Kinematic viscosity at temperature (+25±0,5)°С, cSt, min 5,0 – 12,0
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