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Kafuter K-704 RTV Silicone Sealant for Electronics Insulation and Moisture Protection in 45g Black

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Kafuter K-704 RTV Silicone Sealant for Electronics Insulation and Moisture Protection in 45g Black
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Features
Specifications
Brand: Kafuter
Model: K-704
Specifications: 45g
Color: Black
Service Temperature: -60~250 °C
Hardness (Shore A): 30-40
Highlight:

45g RTV Silicone Sealant

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Moisture Protection Silicone Adhesive

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Electronics Insulation Electronic Sealant
Basic Infomation
Place of Origin: china
Brand Name: Kafuter
Certification: TDS,SDS,Rohs.COA
Model Number: K-704
Payment & Shipping Terms
Packaging Details: 45g
Delivery Time: 3-5
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 1000000
Product Description
Kafuter K-704 RTV Silicone Sealant for Electronics Insulation and Moisture Protection
Kafuter K-704 is a one-component, neutral, room-temperature vulcanizing (RTV) silicone rubber. It is non-toxic, non-corrosive, and cures by absorbing moisture from the air. It exhibits good electrical insulation, arc resistance, aging resistance, and moisture protection.
Product Overview
This product is designed for bonding, sealing, insulating, moisture-proofing, and shock absorption. It features a long shelf life, stable performance, and can adhere to various common metals and non-metallic materials.
Technical Specifications
Property K-704 K-704B Test Method / Notes
Before Curing
Appearance Milky white viscous liquid Black viscous liquid -
Surface Dry Time (25°C) ≤10 min ≤10 min -
After Curing (Mechanical)
Tensile Strength ≥1.5 MPa ≥1.5 MPa -
Elongation at Break ≥150% ≥150% -
Shear Strength ≥0.8 MPa ≥0.8 MPa -
Hardness (Shore A) 30-40 30-40 -
Service Temperature -60~250 °C -60~250 °C -
After Curing (Electrical)
Dielectric Strength 16 kV/mm 16 kV/mm -
Dielectric Constant (@60Hz) 2.96 2.96 -
Volume Resistivity 2.0x10¹⁵ Ω·cm 2.0x10¹⁵ Ω·cm -
Special Properties
K-704 offers good adhesion properties and maintains its performance across a wide temperature range from -60°C to 250°C after curing. It has a short surface dry time (≤10 min at 25°C) and is available in white (K-704) and black (K-704B) appearances.
Application Scenarios
Kafuter K-704 is widely used in the bonding and sealing of electronic components, semiconductor devices, and electrical appliances. Specific applications include:
  • Sealing electric heater terminals
  • Bonding magnet tiles to metal shells in small motors
  • Waterproofing and sealing electronic instruments
  • Adhesive sealing for automotive lights
  • Optical instruments and lenses
  • Insulation protection of motors
Kafuter K-704 RTV Silicone Sealant for Electronics Insulation and Moisture Protection in 45g Black 0

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