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  • Jehbco Silicones extruder – manufacturing custome silicone solutions in Sydney, Australia

    Analysing the toxicity of neutral...

    Room temperature vulcanising (RTV) silicone sealants are a popular and versatile joining material frequently used in the construction industry.  These ready-to-use silicones cure at room temperature by reacting with moisture in the atmosphere, forming a strong and stable join. However,…
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    Construction
  • Silicone Mixing Quality

    At Jehbco, we ensure that every product is of the highest quality before being sent to our customers. Raw silicone must be fed through a roller mill to mix in any extra additives or colouring, but insufficient mixing can lead…
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    General Applications
  • Silicone Tubing for Peristaltic Pumps

    Jehbco’s Silicone has a number of excellent properties, making it a good choice for many applications.  Jehbco has many years of experience designing and manufacturing parts for a wide range of applications, from aircraft parts to food and medical tubing….
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    Silicone Applications
  • O-Ring Design with Jehbco: Sneak...

    O-Rings are an extremely common and effective seal, consisting of a rubber ring with a circular profile, which is pressed into a rectangular groove or gland.  Most applications can use a standard, off-the-shelf o-ring, but for those special applications that…
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    Silicone Applications
  • Improving extreme temperature degradation of...

    Silicone rubber is well known for its durability at high temperatures. While other polymers such as nitrile, polyacrylate, and polyurethane have maximum service temperatures of around 70-150oC, silicone can withstand operating environments around 200-250oC. However, exposure to extreme temperatures will…
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    Silicone Chemistry
  • A discussion on Silicone Vs Rubber with Jehbco Silicone Specialists

    Silicone vs Natural Rubber

    At Jehbco, we manufacture our products exclusively from pure silicone. Silicone is a type of polymer known as an “elastomer” – these polymers are stretchy or elastic. For many applications, it is not quite clear which elastomer is the best…
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    General Applications
  • Parylene-C Coatings on Silicone with Jehbco

    Parylene-C Coatings on Silicone

    In the silicone industry, a wide variety of coatings are implemented to enhance the physical properties of silicone products. There are many benefits of using chemical coatings, which include, but are not limited to: increased chemical resistance, decreased coefficient of…
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    Silicone Chemistry
  • Silicone Extrusions in the Rail Industry with Jehbco Silicones

    Silicone Extrusions in the Rail...

    Silicone is a versatile material with excellent properties.  As such, silicone is a valuable material in many industries, and Jehbco manufactures silicone extrusions for a range of applications.  One key application area is rail transport. Trains are complicated pieces of…
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    Silicone Applications
  • Silicone vs Nitrile

    When designing your next product, there are a myriad of elastomer materials to choose from.  Jehbco manufactures all our products from 100% silicone.  Is silicone the right elastomer for your application?  In this article, we’ll explore the differences between silicone…
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    General Applications
  • Silicone Chemistry with Jehbco Silicones

    Peroxide Curing in Silicone Manufacturing

    An important part of the silicone manufacturing process is the kind of catalyst used to create the product. During production, a catalyst is added to make the silicone cure, which hardens and sets the final product. Typically, a peroxide catalyst…
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    Silicone Chemistry
  • An extrusion passing through Jehbco's new talc applicator

    Talc and Silicone Extrusions

    Jehbco manufactures custom silicone extrusions in our Sydney-based factory, carrying out all steps in-house, from product design and development to die cutting, material preparation and manufacture.  This gives us fine grained control over the properties and quality of the final…
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    Mechanical Properties
  • Silicone vs EPDM

    Silicone vs EPDM

    Jehbco manufactures products from 100% silicone.  Often, there are a range of materials to choose from for your application – is Jehbco’s silicone the right one? In this article, we’ll explore the differences between silicone and one of its competitors…
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    General Applications
  • How Coefficient of Friction Changes with Jehbco Silicones

    How Coefficient of Friction Changes

    Jehbco manufactures custom engineered silicone extrusions to suit your application’s requirements.  Our engineers take every effort to ensure that our silicone’s properties match your application perfectly. An important property of silicone is the coefficient of friction (CoF), which describes how…
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    Mechanical Properties
  • Silicone as a Sealing Material

    Wherever liquids and gasses are encountered in machinery and construction, mechanical seals are required.  Jehbco produces custom silicone mechanical seals for a variety of applications.  Mechanical seals prevent fluids (liquids and gasses) entering between two parts, and they are essential…
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    General Applications
  • The Stress vs Strain Curve with Jehbco Silicones

    The stress/strain curve

    Jehbco’s pure silicone extrusions are used in a wide range of applications, from aircraft seals to sea water piping gaskets.  These applications present a wide range of operating conditions that our silicone must work under, and Jehbco works with our…
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    Mechanical Properties
  • Figure 1: A gasketted flanged pipe joint.

    Measuring Sealing Force

    Seals are used to prevent the ingress of fluid or particles in a wide range of mechanical applications.  Applications vary from traffic light enclosures to hydraulic mining equipment, fluids range from seawater to DOT brake fluid and pressures range from…
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    Mechanical Properties
  • Exploring Silicone Rubber “Blooming”

    Providing a unique balance of the chemical and mechanical properties required by many of today’s more demanding industrial requirements; Silicone Rubber continues to excel in many applications from architecture to healthcare. “Blooming” refers to the milky discoloration or white powder…
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    Silicone Chemistry
  • Fire resistance, thermal degradation and heat stabilisers with Jehbco Silicones

    Fire resistance, thermal degradation and...

    Silicone rubber has an outstanding reputation for being a reliable, durable construction material with a higher melting point and ignition point than other common polymers such as PP and PVC. These properties make silicone an excellent choice of material for…
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    Silicone Chemistry
  • Silicone hardness and the Durometer Scale with Jehbco Silicones

    Silicone hardness and Shore Durometer

    Jehbco’s silicone extrusions are used in a wide range of applications, from aircraft seals to medical grade tubing.  To make sure you have the right silicone for your application, the application requirements have to be closely matched to the silicone…
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    Mechanical Properties
  • Silicone Tear Strength

    Jehbco’s extruded silicone products are used in a multitude of application areas, and we have a range of silicone grades to suit every application.   When selecting a silicone grade for your application, it is essential to determine the tear…
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    Silicone Chemistry
  • Coefficient of Friction of Silicone...

    Friction is the force opposing movement when two materials make contact.  Knowledge of friction is essential for many of our customers’ applications: it determines forces in moving systems such as O’Rings seals, it describes the ability of a seal to…
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    Mechanical Properties
  • Cured Silicone Extrusion for Expansion...

    Waterproofing is fundamental in construction.  Buildings are designed to give shelter – this means keeping wind and water out.  The most difficult and important job of cladding and roofing is to prevent water entering the building.  Jehbco produce sealing products…
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    Construction
  • Silicone Extrusions for Aviation and Aircraft Applications with Jehbco Silicones

    Silicone Extrusions in Aviation

    Silicone’s excellent properties and versatile nature make it a valuable material in aviation.  Silicone is able to operate under a wide range of conditions and Jehbco produces customised mixes of 100% silicone materials to meet varied specialised design requirements. Jehbco’s…
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    Silicone Applications
  • Application of Silicone Adhesives

    It’s normally not that hard to stick different material together, but when sticking silicone extrusions to different substrates, the only thing that can stick to silicone is almost always silicone. This is where we often find non-silicone based adhesives fail….
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    Silicone Applications
  • Silicone Material Resistance to Low-Temperature  

    Low temperature applications are common in industries like: pharmaceutical, food production, brewing, chemical, refrigeration, automotive, petroleum, textile, electronics and aerospace. Low temperature performance is one of the most overlooked properties in seal performance. Exposure to low temperature can contract elastomeric…
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    Silicone Chemistry
  • Importance of Heat Stabilizing Additives...

    Stabilizers are used to maintain the polymer’s appearance, strength, toughness and flexibility, so as in keeping the performance of the polymer’s existing attributes. Whereas for construction products made of polyvinyl chloride, heat stabilizers are commonly used as window profiles, cable ducts…
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    Silicone Industry Standards
  • Is Jehbco’s 10″ Silicone Sleeve...

    In order to achieve effective printing on plastic substrates, corona surface treatment is essential. The printing industry continues to seek for reliability and flexibility with corona treatment.  Applications that don’t frequently change and without down-time but offer the handling and…
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    Silicone Applications
  • Silicone as an Ideal Vacuum...

    Vacuum Tubing is a non-braced forced out construction of silicone rubber. Generally used in the following applications: virtually any non-pressured or vacuum application and vacuum connections where elevated temperatures or maximum working conditions occur. And being commonly used in Aerospace,…
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    Silicone Applications
  • Jehbco’s Solid Silicone Rubber –...

    Silicone Rubber can be enhanced to meet many applications. Silicone has been aggravated to have good tensile and tear strength, moderate solvent resistance; excellent heat resistance; low compression set; good release characteristics; extreme low temperature properties; and good resilience. However,…
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    Silicone Industry Standards
  • Sticking to Silicone & Bonding...

    It’s normally not that hard to stick different material together, but when sticking silicone extrusions to different substrates, the only thing that can stick to silicone is almost always silicone. This is where we often find non-silicone based adhesives fail….
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    Silicone Chemistry
  • outgass1

    Volatile Organic Compounds (VOCs) Quantities...

    Silicone extrusions are popular products when it comes to applications where outgassing is an important factor. This includes sealing applications in the lighting equipment, laboratory controlled chambers and incubators or even building of aircrafts. On this article we will further…
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    Silicone Applications
  • silicone in food processing-3

    The Strengths & Common Use...

    Food we find is one of those very important, yet often not talked about areas in the media – until there is some kind of scare or outbreak of something that is newsworthy. This fortunately does not happen too often…
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    Silicone Applications
  • elastomer outgassing

    Volatile Organic Compounds (VOCs) from...

    It is generally known that silicones have better performance against various factors compared to other elastomers being silicones as widely used and trusted material in different applications. And yet one of the few of its limitations being an effective material…
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    Silicone Industry Standards
  • Compression Set gaskets

    ‘Compression Set’ & it’s Critical...

    Gaskets are a key seal used in anything from engines, to buildings to complex engineering systems. As we ‘live and breathe’ Silicone Elastomers 24 hours per day, 7 days per week – we keep an eye on parameters and properties…
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    Silicone Applications
  • solid silicone

    The Shelf Life of Pure...

    This post details information about solid silicone rubber shelf life in comparison with other types of polymers. Solid Silicone Rubber Solid silicone rubber has a shelf life of 20 years and beyond when in proper storage depending on the grade….
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    Silicone Industry Standards
  • Lighting1

    IP Ratings

    Ingress Protection, abbreviated as IP, generally composite a two digit number as specified in Australian Standard AS60529-2004. AS60529-2004 objective is to give the following: Degrees of protection definition as provided by enclosures of electrical equipment concerning: How a person is…
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    Silicone Industry Standards
  • transportation

    How Flame Retardants Additives Work

    During the process of combustion on a particular phase of the fire cycle, flame retardants suppression happen. This can be either during ignition, heating, decomposition or flame spread. Most effective chemical action of flame retardants occur in two phases, first…
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    Silicone Chemistry
  • construction2

    Bubbling and Unevenness of the...

    The factors that extremely influence the service life of the installed sealant are its durability properties that include but not limited to the adhesion of a sealant to specific substrates and its aging characteristics, to withstand among others ultra-violet radiation,…
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    Silicone Applications
  • PTFE versus Silicone2

    PTFE versus Silicone – Which...

    Sanitary Hose Assemblies for Pharmaceutical Applications Sanitary hose generally involves in the systems of pharmaceutical process applications.  Be it portable tank hook ups, load cell isolators, CIP jumpers or any one of a dozen other applications, sanitary hose assemblies are…
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    Silicone Applications
  • food, dairy and beverage

    AS4020 Standard for Drinking Water

    Strict compliance with the Water Supply (Water Fittings) Regulations is necessary for any water fitting installation that will be carrying or receiving water supply from the public mains in Australia. Thereby, water fitting should not in any way contaminate the…
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    Silicone Industry Standards
  • The Strong Composition and Low...

    Jehbco pure silicones are rubber-like and typically heat-resistant; used variety of application such as medical, food, pharmaceutical for waterproofing or insulation for thermal and electrical. The silicone structure silicones, as otherwise known to chemists has a structure resembling quartz modified…
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    Silicone Chemistry
  • Jehbco and Societal Importance of...

    Jebhco’s technology is known for one of the highest and most innovative seal and gasket manufacturers in Australia. We do not only manufacture, supply and sell our products; we are also concerned in promoting safety awareness and practices. Jehbco is…
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    Silicone Applications
  • The Importance of Flame Retardancy

    Great service includes safety precautions. In Forty years of excellence in manufacturing, Jehbco has something that not everyone can offer. It is something that will allow us to be aware that not even the biggest buildings or establishments are safe…
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    Silicone Applications
  • Why 100% Pure Silicone?

    Jehbco Silicones products are inorganic synthetic elastomers made from a %100 pure crosslinked silicone polymer which offers a unique combination of chemical and mechanical resistance that other elastomers cannot match. 100% pure silicon sealants have non-corrosive neutral formula. Our products…
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    Silicone Chemistry
  • A Different Approach to Gap...

    Jehbco gap seals are innovative, long-lasting, high-performance silicone extrusions designed to be installed with speed and ease making it as cost effective as possible. Jehbco seals suit gap sealing applications in different facade projects such as aluminium, composite and precast…
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    Silicone Applications
  • Eating, Living & Breathing Silicone...

    Food we find is one of those very important, yet often not talked about areas in the media – until there is some kind of scare or outbreak of something that is newsworthy. This fortunately does not happen too often…
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    Silicone Applications
  • The Soft Side of the...

    At Jehbco we have spent over 40 years manufacturing Pure Silicone for a range of applications. Food Processing, Construction, Medical & Defence are some of the key industries that often purchase Silicone for almost anything from Tubing to that of…
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    Silicone Chemistry
  • Silicone ‘a natural’ for polar...

    Jehbco Manufacturing are proud to be a part of the construction of a new polar bear enclosure at Sea World. On December the 26th 2000 Sea World, Gold Coast Australia, opened “Polar Bear Shores” which was built for the purpose…
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    Silicone Chemistry
  • Jehbco’s Light Diffuser Is The...

    From concept and design to completion, Jehbco played It’s part in the development of the light diffuser silicone extrusion. Barrisol Sydney, which was contracted by: ECHO Entertainment and Sqillance Nicholas Architects, approached Jehbco with this new concept, requiring a custom…
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    Silicone Applications
  • Bushfire Flame Retardant Silicone Seals

    “Black Saturday” was an event in History that changed the way we construct our houses in bushfire zones today. In February 2009, immediately following this terrible tragedy, legislation was reviewed (Ref – AS3959 –Standards Australia) to incorporate silicone as the…
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    Silicone Industry Standards
  • Conductive Silicone & New Technology

    Almost 8 years ago, Jehbco was approached by Andrew Stuart from Equitronics to develop a conductive silicone part. What seemed to be a simple application, turned out to be a long but rewarding journey. After a number of modifications with…
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    Silicone Applications