Applications

Momentive RTV162 – Silicone for moisture protection of electronic devices

  • Product name: Momentive RTV162
  • Manufacturer: Momentive
  • Package size: 85ml/ 300ml

RTV160, RTV162 and RTV167 adhesive sealants from Momentive Performance Materials are one-component, ready-to-use electronic grade silicone sealants. They cure to a tough, resilient silicone rubber on exposure to atmospheric moisture at room temperature. These electronic-grade silicone adhesive sealants differ somewhat in physical properties including consistency.

  • Key Features and Benefits
    – Non-corrosive to electronic metals, including copper and brass
    – Low odor cure, releasing an alcohol vapor from the sealant surface during cure
    – UL Recognition. RTV160, RTV162 and 167 are recognized by Underwriters
    – Laboratories, Inc. under their Component Recognition Program (UL File No. E-36952)
    – Retains elastomeric properties for long periods at temperatures from -60°C (-75°F) to
    205°C (400°F) and for short periods up to 260°C (500°F)
    – One component
    – Cure at room temperature
    – Excellent electrical insulation properties
    – Excellent resistance to moisture, dust, dirt, UV, ozone and chemicals

 

Typical Uncured Properties RTV160 RTV162 RTV167
Color White White Gray
Consistency flowable

liquid

spreadable

paste

spreadable

paste

Viscosity, poise 380 – –
Specific Gravity 1.04 1.09 1.12
Application Rate, gm/min – 350 180
Tack-Free Time, hours 4 4 4
Cured Properties(1)
Mechanical
Hardness, Shore A 25 35 37
Tensile Strength, kg/cm2 (lb/in2) 19 (275) 38.2 (550) 56 (800)
Elongation, % 230 400 600
Peel Strength, kg/cm (lb/in)(2) 2 (10) 7.2 (40) 10 (80)
Electrical (3)
Dielectric Strength, kv/mm (v/mil) 20 (500) 18 (450) 20 (500)
Dielectric Constant @ 60 Hz 2.8 2.8 2.8
Dissipation Factor @ 60 Hz .001 .001 .0026
Volume Resistivity, ohm-cm 4×1014 3×1015 3×1015
Thermal(3)
Brittle Point, °C (°F) -60 (-75) -60 (-75) -60 (-75)
Maximum continuous operating

temperature, °C (°F)

204 (400) 204 (400) 204 (400)
Maximum intermittent operating

temperature, °C (°F)

260 (500) 260 (500) 260 (500)
Additional Information(3)
Thermal Conductivity, cal/sec/cm2, °C/cm .0005 .0005 .0005
(Btu/hr/ft2, °F/f) (.12) (.12) (.12)
Coefficient of Expansion 27×10–5 27×10–5 27×10–5
cm/cm, °C (in/in, °F) (15×10–5) (15×10–5) (15×10–5)

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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