Sterne SAS of Cavaillon at COMPAMED 2019 in Düsseldorf -- COMPAMED Trade Fair
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Manufacturers

Sterne SAS

ZAC Du Min Rue Jean Monnet, 84300 Cavaillon
France
Telephone +33 4 32501697
Fax +33 4 90714753
contact@sterne-elastomere.com

Hall map

COMPAMED 2019 hall map (Hall 8b): stand L02

Fairground map

COMPAMED 2019 fairground map: Hall 8b

Our range of products

Product categories

  • 01  Manufacturing of components
  • 01.02  Plastics processing
  • 01.02.01  Injection molding
  • 01  Manufacturing of components
  • 01.02  Plastics processing
  • 01.02.02  Extrusion
  • 01  Manufacturing of components
  • 01.07  Additive manufacturing, 3D printing

Additive manufacturing, 3D printing

  • 02  Manufacturing of finished products
  • 02.07  Implants (passive)

Implants (passive)

  • 02  Manufacturing of finished products
  • 02.17  Biomedical products

Biomedical products

  • 03  Services
  • 03.04  Design and development
  • 03.04.01  Product design, product development

Product design, product development

  • 05  Components, modules, OEM equipment
  • 05.13  Other components, modules, OEM equipment
  • 08  Raw materials, materials, adhesives
  • 08.05  Semi-finished products

Our products

Product category: Extrusion

Silicone extrusion

What is extrusion ?

Silicone extrusion consists in feeding the extruder with raw silicone materials, which will then be carried through a screw to the die* fixed on the extruder head in order to take the designed shape, and will follow its course on a heated treadmill to be cured and therefore fix its shape. Standard or specified tolerances are always defined as silicone rubbers, solid or sponge, will swell or shrink during transformation and post curing.

* The extrusion die is a tool shaped from steel, realized according to a sketch and adjusted before processing.

Sterne silicone extrusion workshop

We have 7 extrusion lines: 5 complete lines in our industrial workshop, screw diameter from 40 to 90mm, 1 complete line in our ISO 8 cleanroom and 1complete line in our ISO 6 cleanroom.
All these workshops are equipped with external mixers and ovens to make customized silicone blends and to post cure the articles.

Our silicone
Sterne offers a broad range of solid silicone materials (Silicone elastomer, Fluoro-Silicone, Peroxyde cured, platinum cured, etc... And sponge silicone (Industrial or FDA) with skin sides giving a smooth finish.

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Product category: Injection molding

Silicone rubber molding

Silicone molding : by compression or Injection

Sterne is constantly integrating new technologies and enlarging its facility capacities to meet ongoing changing needs. Today, we are able to transform both liquid silicone rubbers (LSR) and high consistency silicone rubbers (HCR) combined with appropriate additives, to propose the most innovative silicone products, manufactured in either industrial or protected environment.

Customised design to meet precise requirements; we offer our services from prototyping, to small or very large series (automated production).

A great choice of materials:

  • Silicone rubbers (HCR & LSR)
  • Fluoro-silicones
  • Fluoro-Elastomers
  • Rubbers & polymers
  • TPE (Thermo Plastics Elastomers)
  • Thermo plastics
  • Other Elastomers
Our modern production facility allow us to process an extended selection of silicone rubbers :
hardness From 1 to 100 Shore A, unlimited colors, and a wide range of additives to meet most intricate needs: topmost temperature, low smoke toxicity and flame retardant, food standards, improved mechanical properties etc...

Our know-how, molding expertise and quality accuracy, allow us to propose standard tolerances according to the ISO 3302-1 Cat. M2 norm but we also can meet Cat. M1 or even tighter when necessary.

Sterne most advanced molding machines include:
  • Silicone compression molding machines from 10 to 400 tons
  • Silicone injection molding machines (HCR & LSR)
  • Rubber injection molding machines, Plastics & TPE injection molding machines
  • Automates

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Product category: Other components, modules, OEM equipment

Inflatable seals

Inflatable seal : A concept

Inflatable sealing technology is the solution whenever there is a need to fill in a gap between two dynamic elements which need to be consecutively easily connected and disconnected. The pneumatic seal will expand and retract as wished.

Silicone inflatable seals can be used in many industries as they comply with topmost temperatures, pressures and with some fluids while answering specific standards & norms.

Silicone inflatable seal : A design

  • Hollow silicone profile with axial or radial expansion, stretched out of shape by bringing pressure in (air, gas, fluid). Most inflatable profiles and seals are often customized according to specific drawings based on the particularity of each application.
  • The profile is then vulcanized into either ring, frame, or straight length sealed at both ends, pressure is brought in by using a valve, either in metal or in silicone elastomer. The valve can be assembled either mechanically, simply glued, or over-molded with a cone on the profile. These custom-engineered inflatable seals are a real advanced solution for multiple applications.

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Product category: Semi-finished products

Tubes, hoses, cords, squared and rectangular sections

Compact Silicone or HCR (High Consistency Silicone): hardness available from 7 to 90 Sh A +/-5 (Our standard being 60 Sh A +/-5 ). A wide range of colors, our standards being red iron and translucent.
Homologated silicone available:
- Food industry: FDA, CE 1935-2004
- Medical & Pharmaceutical : USP Class VI, ISO 10993
- Others : temperature resistance from 200°C (standard), 250°C, 300°C till 400°C.
Working environment: industrial workshop and clean rooms (ISO 6 & ISO 8).
Adhesive backing can be added on sections and profiles. The company Sterne, specialized in silicone manufacturing, can also customize your elastomer products using pad printing, laser marking and continuous marking.

  • Cords: minimum diameter of 0,2 mm
  • Squared and rectangular sections with width up to 300mm
  • Silicone hoses, tubes : minimum Ø 0,3X0,6 maximum exterior Ø110 Possibility of color strip and multi-Lumen according to your choice
Silicone sponge : Silicone sponge: standard density is 250kg/m3, but we can afford a density till 600 kg/m3, with a wide range of colors (off white being our standard color). FDA standard can be applied, with a standard capacity to resist at 200°C or more specifically till 300°C. Ask for our SWELLSILL® brand for more details.

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Product category: Other components, modules, OEM equipment

Hollow or full profiles

Silicone profile extrusion : A technique

Silicone profiles are made through the extrusion process. Sterne can manufacture profiles of any shapes, colors, sizes, in a large selection of silicones, production environments, and with standard or tight tolerances. Profiles can be delivered in coils, cut in lengths or vulcanized in rings or frames.

Silicone rubber profiles: Sterne shapes your ideas!

  • E profiles silicone rubber
  • L profiles
  • P profiles
  • "mushroom" profiles
  • Square based U sections
  • U profiles
  • D sections
  • Lip profiles
  • Inflatable shape profiles
  • H profiles
  • Omega profiles
  • Edging silicone profiles
  • Key hole sections
  • Autoclave profiles
  • Cross sections profiles
  • Customized extruded rubber profile
And many other complex shape profiles, even technical ones, according to drawings.

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Product category: Injection molding

Molded items

Custom silicone molded parts : a mastered technique

Sterne molding capabilities include compression and injection molding techniques. Custom silicone rubber parts are made in either High Consistency silicone Rubber or Liquid Silicone Rubber. Simple or complex silicone parts are manufactured using a multitude of technologies using our compression or injection molding machines. Our technical team will determine the right process and design the right mold according to the technical specificities (size, quantity, target cost, expected performances and tolerances, ...)

Standard tolerances respect ISO 3302-1 norm category M2, but tighter tolerances are also possible.

A large choice of silicone compound is available.
Sterne can produce prototype, unique piece, small, medium or mass series thanks to its host of machines.
Our R&D team offers technical assistance form the early stage of your silicone project to the design & final conception of the products.

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Product category: Product design, product development

Manufactured items

Fabricated custom silicone rubber parts : A real expertise

Sterne adds a value to its silicone products thanks to its technical knowledge and unique know-how to develop and manufacture “hand made” silicone parts, in small and mass series. These customized silicone products require appropriate equipment and machines, know-how, technology and well trained and experienced people.

These “hand made” products are realized in solid or sponge silicone rubbers within our extensive inventory of compounds. Sterne customized silicone products including:

  • Flat silicone seals cut-out from elastomeric sheets
  • Drilling, lengthwise cut-out silicone length
  • Manufactured silicone sleeves: conic, cylindrical, squared or rectangular.
  • Silicone cords and profiles vulcanized into rings or frames.
  • Over molded silicone corners
  • Cold bonding: silicone cords or silicone profile bonded into rings or frames
  • Inflatable silicone rubber seals

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Product category: Other components, modules, OEM equipment

Compact and sponge silicone sheet

Silicone sheets are processed trough calendaring lines equipped with innovative instruments to guarantee quality.

Compact silicone

Silicone sheets available from stock: standard width 1 200 mm in different thicknesses from 0.3 mm till 12 mm, colors translucent or riox, 60 Sh A (+/-5) hardness, FDA and CE 1935-2004 approved.

Our silicone rubber sheets & rolls range

  • Thickness: from 0,3 mm to 12 mm
  • Hardness: from 40 to 80 Sh A
  • Special width from 900 to 1600 mm on demand
  • Beside standard colors translucent and red iron, other colors are available such as blue, white and black, on demand. For other colors : minimum quantity to order
  • Basic requirements: FDA and CE 1935-2004 approved
  • Special requirements: Low smoke & fire toxicity, metal detectable silicone sheets, light blue silicone membranes for vacuum applications etc...
Sponge silicone

Our standard silicone sponge sheets are 1000 mm wide (availability from stock in thicknesses 2 mm to 10 mm), density 250Kg/m3 – and thickness 12mm, 15 mm and 20 mm in format 1000x1000 mm)

Our Sponge silicone sheets or silicone foam sheets

  • Thickness : from 2 mm to 20 mm
  • Cellular silicone sheet: density 250 kg/m3 (possibility of higher density on request)
  • Standard color: off white, other colors available: red iron, black...

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About us

Company details

Our mission: deliver the right silicone solution

2009
Wish to become a European SME
End of MTI Global partnership
Setting up of the holding ‘Sterne World’
 
2006
Expansion of ISO 9001 certification to the whole range of STERNE activities
ISO 13485 certification (medical device manufacturing) achieved

2005
Sterne becomes a subsidiary of the MTI Global Corporation
Need to secure and to gain credibility as STERNE was achieving a huge growth
International development
ISO 9001 certification achieved for design

2004
Research and development of innovative products and concepts

1999
Expansion of manufacturing activities
Setting up of the first clean room

1996
Setting up of Sterne
Sealing consulting

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