INDUSTRY COMPONENT

Base Polymer

Base polymer for optical silicone rubber used in precision optical applications requiring transparency, flexibility, and environmental resistance.

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Component Specifications

Definition
A specialized polymer formulation serving as the foundational material for optical-grade silicone rubber, engineered to provide exceptional optical clarity, thermal stability, UV resistance, and mechanical flexibility while maintaining consistent refractive properties across environmental conditions.
Working Principle
Functions as the primary polymeric matrix that determines the fundamental optical, mechanical, and chemical properties of the final silicone rubber product through cross-linking reactions, with molecular structure designed to minimize light scattering and absorption while providing dimensional stability.
Materials
Polydimethylsiloxane (PDMS) based polymers with controlled molecular weight distribution, vinyl or hydride functional groups for cross-linking, and optical-grade purity with minimal impurities (<10 ppm metallic contaminants).
Technical Parameters
  • Viscosity 500-5000 mPa·s (25°C)
  • Transmittance >92% (400-700 nm)
  • Hardness Range 20-80 Shore A
  • Refractive Index 1.403-1.410
  • Specific Gravity 0.97-1.02
  • Tensile Strength 4-10 MPa
  • Dielectric Constant 2.7-3.2 (1 MHz)
  • Elongation at Break 300-800%
  • Operating Temperature -60°C to 200°C
Standards
ISO 10993, ISO 13485, ASTM D2240, DIN 53504, DIN 53505

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Base Polymer.

optical silicone rubber base polymer transparent polymer material PDMS optical grade silicone optical clarity industrial polymer formulation Base Polymer Base Polymer in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Optical Silicone Rubber

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

View Product Details

Liquid Silicone Resin

A low-viscosity, flowable silicone polymer that cures to form a durable, flexible, and heat-resistant solid.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Inconsistent refractive index
  • Yellowing under UV exposure
  • Contamination during processing
  • Incomplete cross-linking
  • Bubble formation
FMEA Triads
Trigger: Impurities in raw materials
Failure: Reduced optical clarity and increased haze
Mitigation: Implement strict material qualification and filtration systems
Trigger: Incorrect catalyst ratio
Failure: Incomplete curing leading to soft spots
Mitigation: Automated dosing systems with real-time monitoring
Trigger: Moisture contamination
Failure: Bubble formation and surface defects
Mitigation: Controlled environment processing with dew point monitoring

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Refractive index ±0.002, Transmittance >90%, Hardness ±3 Shore A
Test Method
ASTM D1003 for haze, ASTM D2240 for hardness, ISO 489 for refractive index, ISO 37 for tensile properties

Buyer Feedback

★★★★☆ 4.9 / 5.0 (24 reviews)

"The technical documentation for this Base Polymer is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Base Polymer so far."

"Testing the Base Polymer now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What makes this base polymer suitable for optical applications?

It features controlled molecular structure to minimize light scattering, high purity to prevent haze formation, and consistent refractive index for precise optical performance.

How does temperature affect optical properties?

The polymer maintains stable refractive index (±0.001) and transparency across the operating temperature range due to its low glass transition temperature and thermal stability.

What cross-linking systems are compatible?

Compatible with platinum-catalyzed addition cure and peroxide cure systems, with formulation adjustments available for specific processing requirements.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Base Base Substrate