Silicone Rubber Square Bar

Silicone Rubber Square Bar

Silicone Rubber Square Bar is a solid extruded silicone profile with a square cross-section, designed for sealing, gasketing, electrical insulation, and high- or low-temperature applications.
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Description
Technical Parameters

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Silicone Rubber Square Bar is a solid extruded silicone profile with a square cross-section, designed for sealing, gasketing, electrical insulation, and high- or low-temperature applications.

 

Product Specifications

 

Specification

Details

Product Name

Silicone Rubber Square Bar

Material

Silicone Rubber

Profile Type

Solid Square Bar

Cross Section

Square

Hardness

60 Shore A

Maximum Temperature

230°C

Minimum Temperature

-60°C

Tensile Strength

10 MPa

Elongation at Break

400%

Compression Set

13%

Compression Set Testing

24 hours at 150°C

Standard Color

White

Supply Method

Sold by the metre

Certifications / Compliance

FDA 21 CFR 177.2600, EC 1935/2004, WRAS BS 6920

Customization

Custom sizes, lengths, colors, and material options available

 

Key Performance Features

 

Thermal Durability: Performs at temperatures 230°C with good flexibility and resilience.
Dielectric Stability: Provides electrical insulation for enclosures and cable management applications.
Low Compression Set: Helps maintain sealing force under prolonged compression.
Weathering Resistance: Resists ozone, UV exposure, and atmospheric aging for outdoor applications.

 

Applications

 

Industrial Enclosure Sealing: Used for electrical cabinets, lighting fixtures, and HVAC panels requiring dust and moisture protection.

Food & Beverage Equipment: Used in sanitary sealing channels, conveyors, and processing machinery.

Water Treatment & Plumbing: Used as static seals and retention gaskets in fluid handling systems.

Vibration Damping & Cushioning: Used as mounting pads or spacers to reduce vibration and protect components.

 

Silicone Rubber Grades & Options

 

Industrial Grade: Designed for general industrial sealing, gasketing, insulation, cushioning, and protective applications.
Food-Contact Grade: Available for applications requiring food-contact compliant silicone, subject to the specified compound and applicable certification requirements.
High-Temperature Grade: Suitable for applications requiring silicone rubber performance at elevated temperatures within the specified operating range.
Custom Grade: Material formulation and performance requirements can be evaluated for applications requiring specific hardness, temperature resistance, compliance, or other technical properties.

 

Material & Compound Options

 

Polymer Base Composition: Uses silicone elastomer for stable physical properties, consistent hardness, and low outgassing.
Chemical Compatibility: Suitable for aqueous media, dilute acids, and polar solvents; avoid concentrated acids, strong alkalis, and petroleum oils.
Controlled Formulation: Manufactured without regulated plasticizers, phthalates, or heavy-metal catalysts for applicable chemical compliance requirements.

 

Custom Support

 

Dimensions: Square cross-section dimensions and supply lengths can be produced according to customer requirements.
Hardness: Different Shore A hardness specifications can be evaluated according to sealing, compression, and installation requirements.
Colors: White is the standard color, while other colors can be discussed according to application and production requirements.
Material: Material and compound options can be evaluated for specific temperature, sealing, insulation, food-contact, or compliance requirements.
Lengths: Products can be supplied by the metre or prepared according to specified length requirements.
 

Company Strengths

 

Verified Compliance Infrastructure: Production facilities maintain rigorous quality control systems to ensure commercial shipments align with declared international standards.
Dedicated Partnership: Experienced export and technical support teams structured to assist wholesale buyers, OEMs, and industrial distributors with bulk procurement logistics.
Manufacturing Capacity: Mature extrusion lines capable of handling both agile prototyping runs and stable, high-volume serial production schedules.
Transparent Technical Guidance: Provides accurate specifications, application limitations, and performance data to support engineering decisions.

 

FAQ

 

Q: Can you provide samples before bulk ordering?

A: Yes. Samples can be arranged for profile evaluation, dimensional confirmation, and application testing before production orders.

Q: What is the typical production lead time?

A: Lead time depends on the profile specification, tooling requirements, order quantity, and production schedule.

Q: Can the product be cut into fixed-length pieces?

A: Yes. Fixed-length cutting can be arranged according to the required dimensions and applicable production tolerances.

Q: How is the product packaged for bulk shipment?

A: Packaging can be selected according to profile size, length, order quantity, and transportation requirements to reduce handling damage.

Q: Can you support OEM or private-label orders?

A: OEM supply can be evaluated for qualified buyers, including customized specifications, labeling, and packaging requirements.

Q: How do you handle repeat orders with the same specification?

A: Production records and approved specifications can be referenced to support consistency across repeat production batches.

Q: Can you provide pre-production specification confirmation?

A: Yes. Product specifications, drawings, samples, and other agreed technical requirements can be reviewed before production.

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