Kafuter Silicone Sealant High Temperature Resistant Adhesive Glue for Electronic Components PCB Circuit Board Waterproof Sealant

Kafuter K-704 / 704B High Performance RTV Silicone Sealant Adhesive - Multi-Purpose Waterproof & Insulating Glue for Electronics1. Product OverviewWelcome to the official listing for Kafuter K-704 Series Silicone Sealant. As a trusted brand in specialty adhesives, Kafuter brings you a professional-grade solution designed for the precise bonding, sealing, and protection of sensitive electronic components and various other materials. This RTV (Room Temperature Vulcanizing) silicone rubber is a must-have for technicians, hobbyists, and repair professionals.This versatile glue cures by absorbing moisture from the air to form a tough, flexible, and durable elastic body. It is your go-to choice for applications requiring sealed insulation, waterproofing, and high-temperature resistance.2. Key Features & BenefitsSuperior Temperature Resistance: Formulated to withstand extreme environments, this silicone adhesive operates effectively from -60°C to +250°C. It's perfect for applications near heat sources like car headlights, power supplies, and heating elements, ensuring long-term stability without cracking or melting. Excellent Insulation & Protection: Provides reliable electrical insulation (Dielectric Strength ≥15KV/mm) and anti-leakage properties, making it safe for use on circuit boards, motherboards, and high-voltage components. It also offers excellent protection against moisture, dust, and vibration. Strong Adhesion: Bonds firmly to a wide variety of materials without the need for a primer, including metals (aluminum, copper), plastics, glass, ceramics, and wood. It is ideal for adhering and sealing metal housings and electronic instruments.Convenient & Thoughtful Design: Features a sharp-mouth glue outlet for easier gluing and precise application, even in tight spaces. This design improves overall repair efficiency, saving you time and effort.Environmentally Friendly: Cured rubber is non-toxic, non-corrosive, and non-polluting. It fully complies with RoHS environmental standards, ensuring it is safe for use in household appliances and sensitive electronics. 3. Technical Specifications (K-704 / K-704B)PropertySpecificationAppearanceK-704: White / Transparent (Paste); K-704B: Black (Paste)TypeSingle-component, Room Temperature Vulcanizing (RTV)Tack-Free Time (25℃)≤ 10 - 25 minutesComplete Cure (25℃)24 hours (2-3mm depth)Temperature Range-60°C ~ +200°C (Peak +250°C)Tensile Strength≥ 1.5 MPaDielectric Strength≥ 15 KV/mmVolume Resistivity≥ 1.0×10¹⁵ Ω·cmHardness (Shore A)30 ~ 40Shelf Life12 months (stored in cool, dry place)4. Wide Range of Applications - One Bottle, Multiple UsesThis one glue solves multiple problems. It is the perfect adhesive/sealant for:For Electronic Components: Sealing and potting PCB boards, motherboards, integrated circuits, and sensors.For Household Appliances: Repairing and sealing power strips, TV mainboards, and control panels.For Automotive: Waterproof sealing of car headlights, tail lights, and connectors.For Electrical: Insulating and fixing wires, cables, and terminals to prevent short circuits.For DIY & Repairs: Bonding metal frames, optical instruments, monitor frames, and general household fixes.For LED Lighting: Sealing LED lamp heads and driver units against moisture.5. How to UseClean: Thoroughly clean and dry the surface to be bonded, removing all dust, oil, and rust.Cut: Cut the tip of the adhesive nozzle to your desired size.Apply: Squeeze the glue onto the prepared surface. For bonding, press the parts together and fix them in place.Cure: Allow to cure at room temperature (25°C / 50% humidity). Initial cure happens in minutes, with full cure achieved in 24 hours.6. Package Includes1 x Kafuter K-704 / K-704B Silicone SealantNote: Store in a cool, dry place and seal the cap tightly after use to prevent the nozzle from curing.