行业验证制造数据 · 2026

光学硅橡胶

基于 CNFX 目录中多个工厂资料的聚合洞察,光学硅橡胶 在 计算机、电子和光学产品制造 行业中通常会围绕 Refractive Index 到 Transmittance 进行能力评估。

技术定义与核心装配

一个典型的 光学硅橡胶 通常集成 Base Polymer 与 Cross-linking System。CNFX 上列出的制造商通常强调 Polydimethylsiloxane (PDMS) 结构,以支持稳定的生产应用。

A specialized silicone rubber formulation engineered for optical applications requiring high transparency, light transmission, and environmental stability.

技术定义

Optical silicone rubber is a high-performance elastomeric material specifically designed for optical and photonic applications. It is formulated from polydimethylsiloxane (PDMS) or similar silicone polymers with carefully controlled additives to achieve exceptional optical clarity, high light transmittance across visible and near-infrared spectra, and minimal light scattering. This material maintains its optical properties under various environmental conditions including temperature fluctuations, humidity, and UV exposure, making it suitable for demanding optical systems.

工作原理

Optical silicone rubber functions as a transparent medium for light transmission and protection in optical systems. Its molecular structure provides high transparency by minimizing light scattering through controlled cross-linking and absence of crystalline regions. The material's refractive index can be tuned through formulation adjustments to match specific optical requirements. It serves as protective encapsulation, optical coupling, or light-guiding elements while maintaining mechanical flexibility and environmental resistance.

技术参数

Refractive Index
Ratio of speed of light in vacuum to speed in material at specified wavelengthn/a
Transmittance
Percentage of incident light transmitted through material at specified thickness and wavelength%
Haze
Percentage of transmitted light scattered more than 2.5 degrees from incident beam%
Hardness
Material hardness measured on Shore A scaleShore A
Operating Temperature Range
Temperature range where optical properties remain stable°C
Tensile Strength
Maximum stress material withstands while being stretchedMPa
Elongation at Break
Percentage increase in length before material breaks under tension%

主要材料

Polydimethylsiloxane (PDMS) Cross-linking agents Optical-grade fillers Stabilizers

组件 / BOM

Base Polymer
Primary silicone polymer providing optical clarity and mechanical properties
材料: Polydimethylsiloxane (PDMS) or similar silicone polymer
Cross-linking System
Enables curing and network formation while maintaining optical clarity
材料: Platinum catalyst or peroxide-based curing agents
Optical Modifiers
Adjust refractive index and control light transmission properties
材料: Specialty siloxanes or organic modifiers
Stabilizers
Protect against UV degradation and thermal aging
材料: UV absorbers, antioxidants, and thermal stabilizers
Release Agents
Facilitate demolding during manufacturing
材料: Internal mold release additives

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Thermal oxidation at >200°C ambient temperature Yellowing and haze formation reducing light transmission below 85% Incorporation of 0.5-1.0% cerium oxide nanoparticles as UV stabilizer, hermetic sealing with oxygen barrier coating
Plasticizer migration at >100°C operating temperature Surface tackiness and optical distortion exceeding 5% refractive index variation Cross-linking density optimization to 3.5×10⁻⁴ mol/cm³, phenyl-substituted silicone backbone for reduced chain mobility

工程推理

运行范围
范围
0.1-2.0 MPa compressive stress, -60°C to 200°C temperature, 92-98% visible light transmission (400-700 nm wavelength)
失效边界
Compressive stress > 2.5 MPa causing permanent deformation, temperature > 250°C initiating thermal degradation, UV exposure > 1000 W/m² at 365 nm wavelength causing photochemical degradation
Polymer chain scission at elevated temperatures exceeding silicone-oxygen bond dissociation energy of 460 kJ/mol, compression beyond elastic limit causing irreversible cross-link displacement, UV-induced free radical formation breaking Si-CH₃ bonds
制造语境
光学硅橡胶 在 计算机、电子和光学产品制造 中会按材料、工艺窗口和检验要求共同评估。

别名与俗称

Optical Grade Silicone Clear Silicone Elastomer Transparent Silicone Rubber Optical PDMS

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 bar (145 psi) static, 5 bar (72.5 psi) dynamic
other spec:Light transmission >90% (400-700 nm), Refractive index 1.41-1.43, Shore A hardness 30-80
temperature:-60°C to +200°C continuous, up to +250°C intermittent
兼容性
Optical adhesives and sealantsLED encapsulation materialsMedical device optical components
不适用:Concentrated acids or bases, strong oxidizing agents, aromatic hydrocarbons
选型所需数据
  • Required optical clarity specifications (transmission %, haze level)
  • Application geometry and thickness requirements
  • Environmental exposure conditions (UV, ozone, temperature cycling)

可靠性与工程风险分析

失效模式与根因
Optical clouding/hazing
原因:UV degradation from prolonged exposure to sunlight or artificial UV sources, causing polymer chain scission and loss of transparency
Surface tackiness/softening
原因:Plasticizer migration or absorption of contaminants (oils, solvents) that swell the silicone matrix, compromising mechanical integrity
维护信号
  • Visible yellowing or milky haze formation in previously clear sections
  • Tacky surface texture or visible surface degradation when wiped with clean lint-free cloth
工程建议
  • Apply UV-protective coatings specifically formulated for optical silicones and maintain regular reapplication schedules
  • Implement strict handling protocols using cleanroom gloves and tools to prevent contamination from oils, solvents, or particulate matter

合规与制造标准

参考标准
ISO 9001:2015 - Quality Management SystemsASTM D2000 - Standard Classification System for Rubber ProductsCE Marking - EU Regulation 2017/745 for Medical Devices (if applicable)
制造精度
  • Surface Roughness: Ra ≤ 0.4 μm
  • Dimensional Stability: ±0.05 mm over 24h at 150°C
质量检验
  • Transmittance/Clarity Test (per ASTM D1003)
  • Hardness Durometer Test (Shore A scale per ASTM D2240)

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 this silicone rubber suitable for optical applications?

This optical silicone rubber is formulated with PDMS and optical-grade fillers to achieve high transparency (>90% transmittance), low haze, and consistent refractive index, making it ideal for lenses, light guides, and protective covers in electronic and optical devices.

How does it perform in extreme temperatures?

With a broad operating temperature range and stabilizers, it maintains optical clarity and mechanical properties from -50°C to 200°C, ensuring reliability in demanding environments like automotive sensors or outdoor displays.

Can it be customized for specific optical properties?

Yes, by adjusting the cross-linking system and optical modifiers, we can tailor hardness, refractive index, and transmittance to meet precise requirements for applications such as LED encapsulation or medical imaging components.

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 · 计算机、电子和光学产品制造

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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