行业验证制造数据 · 2026

气相法硅橡胶

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

技术定义与核心装配

一个典型的 气相法硅橡胶 通常集成 Silicone Polymer Base 与 Fumed Silica Reinforcement。CNFX 上列出的制造商通常强调 Silicone Polymer (Polydimethylsiloxane) 结构,以支持稳定的生产应用。

A high-performance silicone rubber produced by fumed silica reinforcement, offering exceptional mechanical properties and thermal stability.

技术定义

Fumed silicone rubber is an advanced elastomeric material manufactured by incorporating fumed silica (pyrogenic silica) into a silicone polymer matrix. This reinforcement process creates a three-dimensional network structure that significantly enhances tensile strength, tear resistance, compression set, and thermal stability compared to conventional silicone rubbers. The material exhibits excellent resistance to extreme temperatures (-60°C to +250°C), weathering, ozone, and many chemicals while maintaining flexibility and electrical insulation properties.

工作原理

Fumed silica nanoparticles are dispersed throughout the silicone polymer matrix during manufacturing, creating a reinforcing network through hydrogen bonding and physical entanglement. This network structure distributes mechanical stress efficiently throughout the material, preventing crack propagation and deformation. The high surface area of fumed silica particles (typically 200-400 m²/g) provides extensive interaction with the silicone chains, resulting in improved mechanical properties without significantly affecting the material's flexibility or processability.

技术参数

Hardness
Durometer measurement of material hardness on Shore A scaleShore A
Tensile Strength
Maximum stress material can withstand while being stretched before breakingMPa
Elongation at Break
Percentage increase in length before material breaks under tension%
Tear Strength
Resistance to growth of cuts or nicks under tensionkN/m
Compression Set
Percentage of permanent deformation after compression release%
Operating Temperature Range
Continuous service temperature range°C
Specific Gravity
Density relative to water at 4°Cg/cm³

主要材料

Silicone Polymer (Polydimethylsiloxane) Fumed Silica (Pyrogenic Silica) Crosslinking Agents Catalysts

组件 / BOM

Silicone Polymer Base
Primary elastomeric matrix providing flexibility and chemical resistance
材料: Polydimethylsiloxane (PDMS) with vinyl or methyl groups
Fumed Silica Reinforcement
Nanoparticle filler creating reinforcing network for mechanical strength
材料: Pyrogenic silica with high surface area (200-400 m²/g)
Crosslinking System
Forms covalent bonds between polymer chains for curing
材料: Peroxide or platinum catalyst with hydrosilane crosslinkers
Processing Aids
Improves mold release, flow characteristics, and processing
材料: Internal mold release agents and flow modifiers
Pigments and Colorants
Provides coloration for identification and aesthetic purposes
材料: Heat-stable inorganic pigments or organic colorants

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Continuous operation at 280°C for >1000 hours Material embrittlement with 60% reduction in elongation at break Incorporate 2% cerium oxide thermal stabilizer, implement temperature monitoring with 230°C cutoff
Cyclic compression loading at 12 MPa, 5 Hz frequency Permanent compression set reaching 45% after 10⁶ cycles Design with 30% maximum compression ratio, use carbon black reinforcement at 15 phr loading

工程推理

运行范围
范围
0.1-15 MPa tensile stress, -60°C to 250°C temperature
失效边界
Tensile strength exceeds 15 MPa, temperature exceeds 300°C, compression set exceeds 40% after 22 hours at 150°C
Siloxane polymer chain scission due to thermal oxidative degradation at >300°C, silica filler network breakdown under >15 MPa stress
制造语境
气相法硅橡胶 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

Fumed Silica Reinforced Silicone Rubber Reinforced Silicone Elastomer Pyrogenic Silica Silicone Rubber High-Strength Silicone Rubber

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:Up to 10 MPa (100 bar) depending on geometry and reinforcement
flow rate:Not applicable (solid elastomer)
temperature:-60°C to +250°C continuous, up to +300°C intermittent
slurry concentration:Not applicable (solid elastomer)
兼容性
High-temperature air/gas systemsChemical processing equipment sealsElectrical insulation applications
不适用:Concentrated strong acids or bases (e.g., sulfuric acid, sodium hydroxide)
选型所需数据
  • Required hardness (Shore A scale)
  • Application temperature profile (min/max/cyclic)
  • Mechanical load/stress 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 material's continuous service limit (typically 200-250°C for fumed silicone rubber), causing polymer chain scission, loss of elasticity, and embrittlement.
Chemical attack/swelling
原因:Contact with incompatible chemicals such as concentrated acids, bases, solvents, or oils that penetrate the polymer matrix, causing swelling, softening, or dissolution of the fumed silica reinforcement network.
维护信号
  • Visible surface cracking or crazing indicating material embrittlement
  • Abnormal hardening or softening of the material compared to its original state
工程建议
  • Implement temperature monitoring and control systems to ensure operation within the material's specified thermal range, particularly in high-heat applications like gaskets or seals in thermal processing equipment.
  • Establish chemical compatibility protocols including material selection guides and barrier protection (e.g., secondary containment or coatings) when exposure to aggressive chemicals is unavoidable.

合规与制造标准

参考标准
ISO 9001:2015 - Quality Management SystemsASTM D2000 - Standard Classification System for Rubber ProductsDIN 53504 - Testing of Rubber; Determination of Tensile Strength at Break
制造精度
  • Hardness: +/- 5 Shore A
  • Thickness: +/- 0.2mm
质量检验
  • Hardness Test (Shore A)
  • Tensile Strength Test

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。

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常见问题

What makes fumed silicone rubber different from standard silicone rubber?

Fumed silicone rubber incorporates fumed silica reinforcement, which significantly enhances mechanical properties like tensile strength, tear resistance, and compression set while maintaining excellent thermal stability up to high operating temperatures.

What are the typical applications for fumed silicone rubber?

This material is ideal for demanding applications including automotive gaskets, industrial seals, high-temperature insulation, medical device components, and electrical insulation where durability and thermal resistance are critical.

How does the fumed silica reinforcement affect the material properties?

Fumed silica reinforcement creates a stronger polymer network that improves tensile strength, tear resistance, and compression set while maintaining flexibility. This results in a material that withstands extreme temperatures and mechanical stress better than standard silicone rubbers.

我可以直接联系工厂吗?

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
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