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SILRES® MK Flakes

Chemical Family
Silicones

SILRES® MK Flakes is a condensation-curing methyl silicone resin with good solubility in various organic solvents. The product can be used as a binder or as an impregnation agent for porous materials. Besides, SILRES® MK Flakes is the ideal product for making tack-free prepregs with excellent storage stability. Fully cured SILRES® MK Flakes has the lowest carbon content of all WACKER silicone resins and thus yields a very high ash content when pyrolized. Composites made of SILRES® MK Flakes show long-term stability against weathering, moisture, and UV light. They can therefore be continuously exposed to constantly changing climatic conditions, UV radiation, and temperatures significantly higher than 300 °C (572 °F). SILRES® MK Flakes also provides water repellency and excellent electrical insulation properties to the respective composite materials.

Properties

Physical Form
  • Flakes
  • Solid

Product families

Composite Materials — Additives
  • Functional Additives

Other characteristics

Brand
SILRES
Functions
Resins, Binders & Matrix Materials
Markets
  • Automotive & Transportation
  • Consumer Goods
  • Electrical & Electronics
Cure
  • Heat Cure
  • Moisture Cure
Safety Note

While heat curing SILRES® MK FLAKES can release a total of approx. 5 wt.% alcohol. To avoid accumulation of this chemical byproduct ventilation of the work place is recommended.

Technology
Composite Materials
Labeling Claims
Solvent-free
Specific Features
  • Condensation-curing
  • Electrically insulating
  • Filler and pigment compatibility
  • Heat resistant
  • Hydrophobic
  • Solvent-free
  • UV & weathering-resistant
  • Provides excellent water repellency
Composites End Use
  • Capacitors
  • Resistors
Material Features
  • Electrically Insulating
  • Excellent Compatibility
  • Fast Curing
  • Good Bonding Strength
  • Good Thermal Stability
  • Good Weather Stability
  • Heat Resistance
  • Hydrophobic

Technical data

Table 1 of 1

4 rows
CharacteristicValueUnit
Ash Content (after pyrolysis at 1000°C)approx. 82wt %
Bulk Density690kg/m³
Carbon Content (Cured resin)approx. 18wt %
Melting Point35 - 55°C

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