INDUSTRY COMPONENT

Filler Materials

Filler materials used in medical silicone gels to modify properties like viscosity, hardness, and radiopacity.

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Component Specifications

Definition
Filler materials are inert substances incorporated into medical silicone gel formulations to enhance mechanical properties, control flow behavior, or impart specific functionalities such as radiopacity for imaging. Common fillers include silica, barium sulfate, and calcium carbonate, which are selected based on biocompatibility and performance requirements.
Working Principle
Fillers are dispersed within the silicone matrix to increase viscosity, improve tear strength, or add radiopacity. They interact with polymer chains through physical bonding or surface treatment, altering the gel's rheological and mechanical characteristics without chemical reaction.
Materials
Silica (fumed or precipitated), barium sulfate, calcium carbonate, titanium dioxide, or other biocompatible inorganic powders. Particle size typically 0.1-50 µm, surface-treated for compatibility.
Technical Parameters
  • Purity >99%
  • Particle Size 0.1-50 µm
  • Moisture Content <0.5%
  • Specific Gravity 2.0-4.5 g/cm³
  • Surface Treatment Silane or stearic acid
Standards
ISO 10993-1, ISO 18562, DIN EN 868

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Filler Materials.

medical silicone gel fillers silica filler barium sulfate radiopaque filler biocompatible filler silicone gel additives Filler Materials Filler Materials in Rubber and Plastic Product Manufacturing

Parent Products

This component is used in the following industrial products

Medical Silicone Gels

Medical-grade silicone-based gels used for wound care, scar management, and medical device applications.

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Engineering Analysis

Risks & Mitigation
  • Incompatibility with silicone matrix leading to phase separation
  • Contamination affecting biocompatibility
  • Inconsistent particle size distribution causing property variation
FMEA Triads
Trigger: Improper surface treatment
Failure: Poor dispersion and agglomeration
Mitigation: Use silane-treated fillers and optimize mixing parameters
Trigger: High moisture content
Failure: Bubble formation and reduced mechanical strength
Mitigation: Dry fillers before use and store in sealed containers
Trigger: Incorrect particle size
Failure: Inconsistent gel viscosity and hardness
Mitigation: Specify tight particle size distribution and perform incoming inspection

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Particle size ±10% of nominal, moisture <0.5%
Test Method
Laser diffraction for particle size, Karl Fischer titration for moisture, ICP-MS for purity

Buyer Feedback

★★★★☆ 4.6 / 5.0 (10 reviews)

"As a professional in the Rubber and Plastic Product Manufacturing sector, I confirm this Filler Materials meets all ISO standards."

"Standard OEM quality for Rubber and Plastic Product Manufacturing applications. The Filler Materials arrived with full certification."

"Great transparency on the Filler Materials components. Essential for our Rubber and Plastic Product Manufacturing supply chain."

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Frequently Asked Questions

What are common fillers used in medical silicone gels?

Common fillers include fumed silica for thickening, barium sulfate for radiopacity, and calcium carbonate for cost reduction.

How do fillers affect silicone gel properties?

Fillers increase viscosity, improve tear strength, and can add radiopacity. They also influence hardness and flow behavior.

Are filler materials biocompatible?

Yes, fillers used in medical silicone gels must meet biocompatibility standards like ISO 10993 to ensure safety.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Filler (Silica) Filter Mesh