INDUSTRY COMPONENT

Silicone Body

Silicone body is the primary structural element of silicone seal rings, providing elasticity and sealing performance in industrial applications.

Component Specifications

Definition
The silicone body is the core component of silicone seal rings, manufactured from silicone rubber compounds through molding processes. It functions as the elastic element that creates and maintains a seal between mating surfaces by deforming under compression to fill gaps and prevent fluid or gas leakage. This component is engineered to withstand specific temperature ranges, chemical exposures, and mechanical stresses while maintaining its sealing properties over extended service life.
Working Principle
The silicone body operates on the principle of elastic deformation under compression. When installed between mating surfaces, it compresses to fill surface irregularities and create a continuous barrier. Its elasticity allows it to maintain sealing force despite thermal expansion, vibration, or minor surface movements, while its material properties resist degradation from environmental factors.
Materials
High-purity silicone rubber (VMQ) with specific formulations: typically 40-80 Shore A hardness, containing silica fillers for reinforcement, and may include additives for UV resistance, flame retardancy, or food-grade compliance. Common grades include FDA-approved, USP Class VI, or automotive-grade silicone compounds.
Technical Parameters
ParameterTypical rangeNotes & selection driver
ColorTypically red, but available in various colors
Hardness50-70 Shore A
Compression Set≤20% (22h at 175°C)
Tensile Strength≥7 MPa
Temperature Range-60°C to +230°C
Elongation At Break≥300%

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 3601-1, DIN 3771, ASTM D2000, SAE J200

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Chemical degradation from certain solvents
  • Compression set over time
  • Thermal degradation above maximum temperature
  • Incompatibility with certain lubricants
FMEA Triads
Trigger: Exposure to incompatible chemicals
Failure: Swelling, softening, or cracking of silicone body
Mitigation: Verify chemical compatibility before installation; use specialized formulations for aggressive environments
Trigger: Excessive compression
Failure: Permanent deformation (compression set) leading to seal failure
Mitigation: Design proper gland dimensions; follow manufacturer's compression recommendations
Trigger: Installation damage
Failure: Tears, cuts, or nicks compromising seal integrity
Mitigation: Use installation tools; chamfer sharp edges; follow proper installation procedures

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.15mm on cross-section dimensions, ±0.5% on inside diameter
Test Method
Dimensional verification per ISO 3601-1, compression set testing per ASTM D395, material verification per ASTM D2000

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Silicone Body

Manufacturer profiles associated with Silicone Body.

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Related Components

Sealant Layer
Sealant layer in multi-layer co-extruded barrier films for hermetic sealing and product protection.
Tie Layer
Tie layer is a bonding component in multi-layer co-extruded barrier films that ensures adhesion between incompatible polymer layers.
Mold Release Coating
Specialized coating applied to molds to facilitate easy release of silicone seal rings during manufacturing.
Silicone Polymer Base
Silicone polymer base is a high-temperature resistant polymer material used as the foundational component in silicone rubber compounds for industrial applications.

Frequently Asked Questions

What temperature range can silicone bodies withstand?

Standard silicone bodies typically operate from -60°C to +230°C continuously, with short-term exposure up to 300°C possible depending on formulation.

Are silicone bodies compatible with food processing applications?

Yes, when manufactured with FDA-approved or food-grade silicone compounds that meet relevant regulatory requirements for direct or indirect food contact.

How does hardness affect silicone body performance?

Harder silicone bodies (higher Shore A) provide better resistance to extrusion and higher pressure capability but require greater compression force. Softer bodies seal more easily on rough surfaces but may extrude under high pressure.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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