Extruded Rectangular Silicone Profiles
Extruded VMQ silicone rectangular profiles with ISO 3302-1 E1/F dimensional control. Hardness 10-90 Shore A. Compliance with FDA, EC 1935/2004, UL94, EN 45545-2, USP VI, and ISO 10993. Continuous manufacturing in lengths or rolls under ISO 9001 and ISO 13485.
Process Principle
Rectangular silicone profiles are manufactured by continuous extrusion and controlled thermal curing. They are suitable for flat sealing, dampening, and thermal insulation in industrial or hygienic environments.
Materials and Formulations
Available in solid or cellular VMQ silicone with hardnesses from 10 to 90 Shore A. Food-grade, medical-grade, fire-retardant, antistatic, and high-temperature formulations. Compliant with FDA, EC 1935/2004, UL94, EN 45545-2, USP VI, and ISO 10993.
Dimensions and Finishes
Widths from 2 to 100 mm and thicknesses from 1 to 30 mm. Tolerances according to ISO 3302-1 E1/F. Smooth or satin finish. Standard or custom RAL colors. Option for technical adhesive backing or custom cutting.
Production Environments
Production certified under ISO 9001 and ISO 13485 in an industrial environment or ISO 8 cleanroom. Testing for hardness, tensile strength, thermal aging, and ultrasonic cleaning for critical sectors.
Product Gallery
Key Technical Data
Typical values obtained according to series datasheets and indicated standards. May vary based on hardness, formulation, and raw material. Final validation is the customer's responsibility.
| Property | Typical Values | Standard |
|---|---|---|
| Hardness (Shore A) | 20 – 90 | ISO 7619-1 |
| Tensile Strength | 6 – 12 MPa | ISO 37 |
| Elongation at Break | 200 – 600 % | ISO 37 |
| Tear Resistance | 15 – 30 kN/m | ISO 34-1 |
| Density | 1,11 – 1,20 g/cm³ | ISO 2781 |
| Working Temperature | –60…+250 °C | — |
| Tolerances | Extrusión E1–E3 · Longitudes L2–L3 | ISO 3302-1/-2 |
Certifications and Regulatory Compliance in Silicone Extrusion
Every extrusion process is backed by international certifications that guarantee traceability, safety, and regulatory conformity in highly demanding sectors.
Main Certifications
- ISO 9001:2015 – Quality Management
- ISO 13485:2016 – Medical Devices
- EN 9100 – Aerospace
- GMP – Good Manufacturing Practices
- Validated ISO 8 Cleanroom (550 m², ISO 14644-1 to -7)
Regulatory Compliance
- FDA 21 CFR 177.2600 – Food Contact
- EC 1935/2004 – Materials in Contact with Food
- EN 45545-2 – Railway Fire Protection
- UL94 – Material Flammability
- ISO 10993 and USP Class VI – Medical and Pharmaceutical Biocompatibility
- REACH (1907/2006) and RoHS (2015/863) – Chemical and Electrical Substances
Main Application Sectors
Key Applications
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Flat or groove seals
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Thermal or electrical insulation
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Expansion compensators or dampers
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Die-cut or vulcanised technical gaskets
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Hygienic seals in food machinery
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Closure gasket for rectangular autoclave lids
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Flat sealing profile for train doors (EN 45545-2)
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Cushioning and sealing in large-format air filters
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Sealing gaskets in pasteurisation chambers
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Insulation strips for coils in transformers
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Sealing for glass panels in industrial convection ovens
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Gaskets for plate heat exchangers
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Flat cable protection profiles in server racks
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Sealing strips for purified water tank covers
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Gaskets in nuclear reactor sealing systems
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Sealing for climatic test chamber doors
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Anti-vibration strips for air compressors
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Flat gaskets for flanged joints in gas pipework
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Sealing profile in electrical panel grooves
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Gaskets for chemical product pump lids
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Sealing for cleaning panels in conveyor belts
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Gaskets for heating elements in sealing machines
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Guide and support profile in dosing systems (Food-grade)
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Sealing for ventilation grilles in tunnels
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Insulation gaskets in low-temperature melting furnaces
Manufacturing and Delivery Options
- Sections: 2×1 mm up to 100×30 mm
- Materials: Solid or cellular VMQ
- Formulations: Food-grade, Medical-grade, Fire-retardant, Conductive, High-temperature
- Colors: Translucent, white, black, grey, or custom RAL
- Production: Industrial or ISO 8 Cleanroom
- Delivery: Rolls, cut lengths, or cut parts
- Entrega: rollos, tramos o piezas cortadas
Product Selection Matrix
| Customer Requirement | Recommended Solution |
|---|---|
| Square or solid profiles | Square Profiles |
| Lightweight or sponge profiles | Sponge/Foam Profiles |
| Special designs per drawing | Custom Extruded Profiles |
| Flat or vulcanized gaskets | Flat Gaskets |
| Juntas planas | Flat Gaskets |
Technical Conclusion and Recommendations
The rectangular silicone profiles from ProSilicones64 offer exceptional sealing performance, precision, and thermal resistance.
Compliant with FDA, EC 1935/2004, UL94, EN 45545-2, USP VI, and ISO 10993 standards and manufactured under ISO 9001 and ISO 13485 for maximum traceability and reliability.
A robust standard solution for flat and industrial sealing in demanding environments.
Una solución estándar y robusta para sellados planos.
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