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Benefits of Silicone

Silicone is an extremely versatile material that lends itself to a broad range of application conditions and is a preferred choice of elastomer in the biomedical, pharmaceutical and healthcare industries. Due to its special characteristics as a raw material, silicone offers advantages in processing that render it a premier choice of material for technical components in high volumes.

 

Special characteristics

 

  • Consistent mechanical properties from -45 °C to + 180 °C / -49 °F to +356 °F
  • Hardness from 10 to 80 Shore A
  • Platinum curing gives the highest purity material
  • Broad operating temperatures from -50 °C to +250 °C / -58 °F to +482 °F
  • Excellent heat resistance, dielectric strength and cold flexibility
  • Offers excellent resistance to ozone, weather and UV rays
  • Water repellent
  • Offers excellent electrical and mechanical damping properties
  • Sterilizable: γ-radiation, steam, EtO
  • No toxic combustion products
  • Biocompatibility – non-allergenic
  • Low extractable content

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Types of Silicone

There are principally two types of Silicone:

  • High Consistency Rubber (HCR)
  • Liquid Silicone Rubber (LSR)

Trelleborg Sealing Solutions offers a comprehensive portfolio of standard and proprietary grades within both categories. HCR and LSR are used in a broad range of products and processes to suit specific market and application requirements. In particular, HCR is the material of choice for extruded products.

 

Products

LSR molded parts, O-Rings, extruded tubing and hose, tube sets and connections, dip molding and coating, sheeting and film, bellows, static seals, gaskets, membranes, septa, plugs, silicone-to-plastic bonded and silicone-to-metal bonded components, and more.

 

Typical Healthcare & Medical Applications

Pacemakers, defibrillators, shunt systems, Respiratory care product, inhalers, infusion therapy, drug delivery systems, peristaltic pump sets, diabetes care, dental care devices, medical devices, diagnostic equipment, blood dialysis, catheters, disposable fluid transfer manifolds and closure assemblies, breastfeeding, bioreactors, pharmaceutical applications.

Advantages of LSR

  • Enables production of part geometries and technical solutions not possible otherwise
  • Flashless, wasteless product quality
  • Provides the highest consistency in product dimension, precision and overall quality due to lean manufacturing processes
  • Enables highest volume production, as a result of short cycle times
  • Offers the lowest TCQ (Total Cost of Quality)    (use image LSR+and+2C+products)

Multicomponent Technology

The Ultimate LSR Process

One of our most outstanding capabilities is the simultaneous injection of LSR in combination with technical plastics, multicomponent technology. In what is commonly referred to ask 2C, 2K, 2-shot, multicomponent injection molding or co-injection, our LSR experts employ highly advanced and sophisticated tool and process engineering to develop the most innovation solutions, combining two, three or more individual materials into one fully bonded, robust component.

Advantages of Multicomponent Technology

  • Offers designers much more latitude in design solutions
  • Can integrate multiple components into one fully-bonded solution
  • Single component is more robust than an assembly of individual parts
  • Provides lighter weight components
  • Risks and costs associated with secondary assembly can be avoided
  • Enables more hygienic design solutions
  • Lowers cost by reducing the number of components in the customer’s supply chain

 

>> Learn more about Multicomponent Technology