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Steam Resistant Silicone Rubber

Steam Resistant Silicone Rubber is specifically formulated to withstand prolonged exposure to high-pressure steam and hot water without degradation, offering exceptional hydrolytic stability. This makes it ideal for critical seals and components in autoclaves, food processing, pharmaceutical, and other industries reliant on steam sterilisation or hot fluid transfer.

Product Code: VSR70

Product Description

Enduring the Rigours of Steam: Discover Steam Resistant Silicone Rubber

In environments where components are continuously exposed to steam, hot water, and sterilisation cycles, standard elastomers quickly degrade, losing their integrity and sealing capabilities. Steam Resistant Silicone Rubber is a specially formulated material engineered to withstand these aggressive conditions, offering significantly extended service life compared to conventional silicones. Through the incorporation of unique additives, this advanced silicone maintains its mechanical properties, elasticity, and sealing performance even after prolonged exposure to high-pressure steam and boiling water. It’s the ideal choice for demanding applications in industries where hygiene, purity, and thermal endurance in a moist environment are paramount.

Key Benefits of Steam Resistant Silicone

  • Exceptional Steam Resistance: Unlike standard silicone, steam resistant silicone rubber is formulated to withstand continuous exposure to high-pressure steam and elevated humidity. This resistance to hydrothermal aging ensures that the material maintains its integrity and performance over time.
  • Thermal Stability: Steam resistant silicone operates effectively within a broad temperature range. This thermal stability makes it suitable for applications that experience significant temperature fluctuations.
  • Mechanical Strength: This elastomer offers excellent mechanical properties, including high tensile strength, tear resistance, and flexibility. These characteristics enable it to perform reliably in demanding applications where mechanical stress is common.
  • Environmental Resistance: Steam resistant silicone rubber is highly resistant to environmental factors such as UV radiation, ozone, and weathering. Its resilience ensures long-term performance in outdoor and harsh conditions.
  • Low Compression Set: The material exhibits a low compression set, meaning it can return to its original shape after being compressed. This property is crucial for seals and gaskets that require consistent sealing performance.

Applications of Steam Resistant Silicone Rubber

The enhanced resistance to steam and hot water makes Steam Resistant Silicone Rubber indispensable in a variety of critical applications where hygiene and thermal endurance are paramount.

  • Autoclave Seals and Gaskets: Provides durable and effective sealing in sterilisation equipment used in medical, pharmaceutical, and laboratory settings.
  • Food Processing Equipment Seals: Utilised in steam cleaners, hot fill lines, cookers, and other machinery within the food and beverage industry where components are exposed to hot water and steam for cleaning and processing.
  • Pharmaceutical and Bioprocessing Seals: Essential for seals, gaskets, and tubing in bioreactors, fermenters, and purification systems that undergo frequent Steam-In-Place (SIP) or Clean-In-Place (CIP) cycles.
  • Hot Water Systems: Used for seals, O-rings, and plumbing components in industrial and commercial hot water systems.
  • Steam Line Gaskets: Provides reliable sealing for pipes and connections transporting steam in industrial plants.
  • Coffee Machine and Beverage Dispenser Components: Ideal for seals and tubing in equipment that handles hot beverages and undergoes steam cleaning.
  • Washing Machine and Dishwasher Seals: Can be used in high-temperature domestic appliance applications.

Industries Utilising Steam Resistant Silicone Rubber

Steam Resistant Silicone Rubber is a cornerstone material in industries that rely on steam processing, sterilisation, or the transfer of hot liquids.

  • Pharmaceutical Industry: For manufacturing processes requiring sterile environments and frequent sterilisation cycles.
  • Medical and Healthcare: In hospitals, clinics, and medical device manufacturing, for equipment that must be autoclaved or cleaned with hot water/steam.
  • Food and Beverage Industry: From large-scale food production to commercial kitchens, ensuring hygienic processing and easy cleaning of equipment.
  • Biotechnology: In bioreactors and purification systems where sterile conditions and frequent steam exposure are common.
  • Chemical Processing: For equipment handling hot aqueous solutions or requiring steam cleaning.
  • Industrial Manufacturing: In various sectors utilizing steam for heating, cleaning, or processing.

By choosing Steam Resistant Silicone Rubber, manufacturers and engineers can significantly extend the service life of components in steam-laden environments, reduce maintenance downtime, and ensure the safety and purity of products in hygiene-critical applications.

Compliances

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FDA 21 CFR 177-2600

Facts

Material Type Peroxide Cured Silicone Rubber
Hardness Range 70ᵒ Shore A
Natural Colour Translucent
Available Colours Off-White, Grey, Red Oxide

Main Features

- High temperature resistance
- Hydrothermal stability
- Good chemical resistance
- Good mechanical strength
- Weather, Ozone and UV resistant
- Non toxic

Availability Format

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An icon showing silicone tubing
An icon showing silicone strips
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Technical Details

  • Property Condition Value Method
    Appearance transparent
    Hardness (Shore A) 70 DIN ISO 48-4
    Density 1.18 g/cm³ DIN EN ISO 1183-1 A
    Tensile Strength 10.0 N/mm² ISO 37 type 1
    Elongation at Break 380 % ISO 37 type 1
    Tear Strength 24 N/mm ASTM D 624 B
    Compression Set(1) 22 h @ 175 ᵒC 10% DIN ISO 815-1 type B method A
    Rebound Resilience 53% ISO 4662

    These figures are only intended as a guide and should not be used in preparing specifications.

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Worldwide Shipping

We ship our goods worldwide using a variety of couriers including DPD, DHL, TNT, UPS and FEDEX. Please contact us to discuss your shipping requirements. 

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Current Delivery Times

Silicone Rubber Extrusion

Delayed
14-18 working days

Silicone Extrusion & Secondary Operations

Delayed
18 - 22 working days

Silicone Rubber Extrusion (New Dies)

Delayed
20 working days

Silicone Rubber Inflatable Seals

Delayed
22 working days

Silicone Rubber & Sponge Sheeting

Normal
from 5 working days

Silicone Rubber & Sponge Gaskets

Normal
from 5 working days

EPDM Extrusion

Normal
3 - 5 Weeks

Compression Moulded Parts

Partially Delayed
From 4 Weeks

3D Printed Parts

Normal
5 Working Days

Worldwide Shipping

We ship our goods worldwide using a variety of couriers including DPD, DHL, TNT, UPS and FEDEX. Please contact us to discuss your shipping requirements.