Guangdong Yufeng Industries Co., Ltd.
Guangdong Yufeng Industries Co., Ltd.

RTV-3 Anti-Pollution Coating

RTV uses hydroxyl-terminated dimethylsiloxane (PDMS) with a contact angle greater than 90°. In the molecular composition of PDMS. The 'Best use before end' date of each batch is shown on the product label. 

Storage beyond the date specified on the label 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.

rtv silicone high voltage insulator coating

Features of RTV-3 Anti-Pollution Coating

  • The small nanometer force and molecular force in the methyl group;

  • The unique flexibility of the silicon-oxygen backbone;

  • The high bond energy of the silicon-oxygen;

  • The local ionic character of the silicon-oxygen backbone;

  • The non-polar methyl groups closely arranged around the silicon-oxygen backbone are oriented toward the surface, shielding the strong polarity of the Si-O bond.

  • These make Greete series antifouling flashover coatings exhibit excellent water resistance.

Specifications of RTV-3 Anti-Pollution Coating

Typical general characteristicsInspection MethodValue
Product data (liquid state)
Viscosity, dynamicDIN EN ISO 32195000 mPa s
Density at 23 °CISO 1183- 1 A0,81 g/cm³
Flash pointDIN 517557 °C
Skin forming time at 23 °C, 50 % RH9 min
Product data (solid state)¹ )
DensityISO 27811,10 g/cm³
Hardness Shore AISO 86845
Tensile strengthISO 373,00 N/mm2
Elongation at breakISO 37250%
Tear strengthASTM 624 B9,0 N/mm
Dielectric strength 1 mmIEC 60243> 28 kV/mm
Volume resistivityIEC 60093> 5  x 10 15 Q cm
Permittivity (50 Hz)IEC 602502,9
Dissipation factor (50 Hz)IEC 60250< 10-³
Arc resistanceIEC 61621420 s
Tracking resistanceIEC 605871A 4.5

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