SILICONES
VMQ
GENERAL PROPERTIES
INDICATIONS OF USE
- Shore A hardness from 20 to 80
- Minimum working temperature -65° C
- Maximum operating temperature + 180° C
PHYSICAL-MECHANICAL PROPERTIES
- Moderate mechanical properties (tensile strength, elongation, tear strength).
- Excellent resistance to permanent deformation
OTHER CHARACTERISTICS
- Slow combustion without carbon residues,
self-extinguishing possibility
- Excellent dielectric properties
- Very good resistance to UV radiation
- Perfect colour ability and colour stability
- Very high transparency
- Absence of odour and taste
CHEMICAL BEHAVIOUR
More than satisfactory with
- Water and salt solutions up to 100°C
- Hydrogen peroxide with various oxidising substances
- Plant and animal oils
- Alcohols and glycols
- Food substances
- Ozone and atmospheric agents
Satisfactory with:
- Various synthetic and dielectric oils
Unsatisfactory with:
- Strong acids and mineral bases
- Steam above 120°C
- Aromatic hydrocarbons, chlorinated solvents
- Ketones
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PECULIARITY
Exceptional resistance to fire. Maintains flexibility at very low temperatures. Absolute lack of toxicity in contact with physiological liquids and food substances.