Product Introduction
Momentive SNAPSIL™ RTV5249 is a high-strength, electronic-grade silicone sealant formulated for rapid curing, superior moisture resistance, and durable adhesion across metals, plastics, and painted surfaces. As part of the RTV5240 series, RTV5249 features exceptional hydrolytic stability and non-corrosive curing properties, making it ideal for sensitive electronic components. Its strong environmental resistance, excellent electrical insulation, and fast green strength buildup support efficient and reliable industrial assembly processes.
SNAPSIL™ RTV5249 Features
- One-component, high-strength alkoxy neutral-cure silicone
- Cures up to four times faster than traditional alkoxy formulations
- Excellent adhesion to metals, plastics, and coated surfaces
- Superior moisture and hydrolytic stability during long-term exposure
- Non-corrosive curing compatible with electronics
- Outstanding electrical insulation properties
- Strong resistance to chemicals, ozone, and weathering
- Low odor and easy to dispense
- UL recognized component – File E-36952
- Retains elastomeric performance from -75°F to 400°F
SNAPSIL™ RTV5249 Applications
- Automotive, aerospace, appliance, and electronics manufacturing
- Moisture-intensive environments requiring durable sealing
- Electronic assemblies, semiconductors, and PCB protection
- Bonding multi-substrate components without primer
- High-speed production requiring rapid cure and handling strength
- Electrical insulation applications requiring high dielectric stability
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| 属性 | 数值 |
|---|---|
| 颜色 | 灰色（系列中也有白色和黑色） |
| 硬度（肖氏 A） | 40 |
| 拉伸强度 | 2.2 MPa（320 psi） |
| 延伸率 | 425% |
| 比重 | 1.5 |
| 施胶速率 | 300 g/min |
| 下垂/流淌 | 2.5 mm（0.1 英寸） |
| 表干时间 | 45 分钟 |
| 操作/结皮时间 | 10 分钟 |
| 固化时间（3.2 mm 深度） | 6 小时 |
| 介电强度 | 20 kV/mm（500 V/mil） |
| 介电常数 @ 60 Hz | 2.8 |
| 损耗因数 @ 60 Hz | 0.001 |
| 体积电阻率 | 3×10¹⁵ ohm·cm |
| 温度范围 | -75 至 400 °F |
| 包装 – 胶筒 | 0.48 kg（1.06 lb），0.30 L |
| 包装 – 5 加仑桶 | 27.2 kg（60 lb），18.1 L |
| 包装 – 55 加仑桶 | 244.9 kg（540 lb），162.8 L |
