行业验证制造数据 · 2026

硅凝胶

基于 CNFX 目录中多个工厂资料的聚合洞察,硅凝胶 在 橡胶和塑料制品制造 行业中通常会围绕 Hardness 到 Viscosity 进行能力评估。

技术定义与核心装配

一个典型的 硅凝胶 通常集成 Base Polymer 与 Cross-linking Agent。CNFX 上列出的制造商通常强调 Polydimethylsiloxane 结构,以支持稳定的生产应用。

Semi-solid silicone-based materials with viscoelastic properties between liquids and solids.

技术定义

Silicone gels are cross-linked polysiloxane polymers that maintain a semi-solid, gel-like consistency while exhibiting both viscous and elastic characteristics. They consist of silicone polymer chains with reactive groups that form three-dimensional networks through curing processes, creating materials that can absorb mechanical stress, dampen vibrations, and provide protective encapsulation while remaining soft and compliant.

工作原理

Silicone gels function through their unique polymer network structure where silicone chains are cross-linked to create a three-dimensional matrix. This structure allows the material to deform under stress and return to its original shape when the stress is removed, providing both cushioning and energy dissipation. The degree of cross-linking determines the gel's hardness and viscoelastic properties, while the silicone backbone provides thermal stability, chemical resistance, and electrical insulation.

技术参数

Hardness
Measurement of material softness using the Shore 00 durometer scaleShore 00
Viscosity
Pre-cure viscosity of the silicone gel mixturecP
Cure Time
Time required for the gel to fully cross-link and achieve final propertieshours
Operating Temperature Range
Temperature range within which the gel maintains its properties°C
Dielectric Strength
Electrical insulation capability measured as breakdown voltage per unit thicknesskV/mm

主要材料

Polydimethylsiloxane Cross-linking agents Catalysts Fillers

组件 / BOM

Base Polymer
Primary silicone polymer providing the gel matrix and basic properties
材料: Polydimethylsiloxane or modified silicone polymers
Cross-linking Agent
Creates chemical bonds between polymer chains to form the gel network
材料: Silane-based cross-linkers or platinum catalysts
Catalyst
Initiates and controls the cross-linking reaction rate
材料: Platinum complexes or tin-based catalysts
Fillers
Modify mechanical properties, thermal conductivity, or reduce cost
材料: Silica, alumina, or other mineral fillers
Additives
Provide specific properties like UV resistance, flame retardancy, or color
材料: Pigments, stabilizers, or flame retardants

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Thermal cycling exceeding 150°C with 10°C/min ramp rate Creep deformation exceeding 15% strain under 50 kPa sustained load Incorporation of 30% fumed silica filler with 12 nm particle size for reinforcement
UV exposure at 0.5 W/m² intensity at 365 nm wavelength Surface cracking with 0.1 mm depth propagation per 1000 hours Addition of 2% benzotriazole UV absorber with 340-380 nm absorption peak

工程推理

运行范围
范围
0.1-100 kPa shear stress, -50°C to 200°C temperature
失效边界
Shear modulus reduction to 0.1 MPa at 250°C, tensile strength drop below 0.5 MPa
Polymer chain scission via thermal-oxidative degradation at Arrhenius activation energy of 80-120 kJ/mol, causing loss of crosslink density and viscoelastic properties
制造语境
硅凝胶 在 橡胶和塑料制品制造 中会按材料、工艺窗口和检验要求共同评估。

别名与俗称

Silicone Gel Silicone Encapsulant Gel Soft Silicone Gel Silicone Potting Gel

行业别名与关键词

该产品在 CNFX 数据库中的搜索词、别名和技术称呼。

应用匹配与尺寸矩阵

运行限制
pressure:Atmospheric to 10 bar (dependent on application geometry)
flow rate:Not applicable - static or low-shear applications only
temperature:-50°C to 200°C continuous, up to 250°C intermittent
slurry concentration:Not applicable - non-particulate media
兼容性
Electronic potting/encapsulationThermal interface materialsMedical device cushioning
不适用:High-pressure hydraulic systems
选型所需数据
  • Application volume (cm³ or mL)
  • Required durometer/shore hardness
  • Cure time requirements

可靠性与工程风险分析

失效模式与根因
Thermal degradation
原因:Exposure to temperatures exceeding the silicone gel's maximum operating range, leading to cross-linking breakdown, hardening, or charring, often due to inadequate heat dissipation or localized overheating in applications like electronics or high-temperature seals.
Chemical incompatibility
原因:Interaction with incompatible fluids, solvents, or environmental contaminants (e.g., oils, acids, or alkalis) that cause swelling, softening, or dissolution of the silicone gel, compromising its sealing or cushioning properties, typically from improper material selection for the operating environment.
维护信号
  • Visible discoloration (yellowing, browning, or darkening) indicating thermal or chemical degradation
  • Audible crackling or hissing sounds from sealed components, suggesting loss of integrity or outgassing due to gel breakdown
工程建议
  • Ensure precise temperature control and thermal management in the application environment, using heat sinks or ventilation to keep the gel within its specified temperature range, and verify compatibility with adjacent materials to prevent catalytic degradation.
  • Conduct regular compatibility testing with all contacted fluids and gases, and apply protective coatings or barriers if exposure to incompatible substances is unavoidable, while adhering to manufacturer-recommended curing and application protocols.

合规与制造标准

参考标准
ISO 10993-5: Biological evaluation of medical devices - Tests for in vitro cytotoxicityASTM D2240: Standard Test Method for Rubber Property - Durometer HardnessCE Marking: Compliance with EU Medical Device Regulation (MDR) 2017/745
制造精度
  • Viscosity: +/- 10% of specified value
  • Hardness (Shore A): +/- 5 points
质量检验
  • FTIR Spectroscopy: Chemical composition verification
  • Rheological Testing: Viscosity and flow characteristics

生产该产品的制造商

具备该产品生产能力的中国制造商与相关工厂资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

供应链相关产品与组件

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自动模具喷涂与冷却系统中的一个组件,负责在喷涂操作后快速降低模具温度。

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用于造粒设备中,将聚合物线材切割成均匀颗粒的旋转刀片组件。

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输送歧管与阀门

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数字温度控制器

一种精密电子设备,用于调节和维持聚合物熔体流动指数测试仪加热料筒的温度。

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常见问题

What are the typical applications for silicone gels in rubber and plastic manufacturing?

Silicone gels are used for potting and encapsulation of electronic components, vibration damping, thermal management, and as protective coatings due to their dielectric properties and temperature resistance.

How does the Shore 00 hardness scale relate to silicone gel properties?

Shore 00 measures very soft materials. For silicone gels, this indicates high flexibility and cushioning ability, making them ideal for applications requiring shock absorption and delicate component protection.

What factors affect the cure time of silicone gels?

Cure time depends on catalyst type/concentration, temperature, humidity, and thickness. Room temperature vulcanizing (RTV) gels typically cure in hours, while heat-cured formulations can be accelerated with temperature control.

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CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Index v2.6.05 · 橡胶和塑料制品制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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