Presspahn Fibre Jointing Gaskets
Presspahn Fibre Jointing Gaskets
Working with a selection of material supplied and manufacturers allows ASG to be able to stock and convert a number of fibre jointing materials. Just one of these Fibre Jointing materials we can convert into gaskets are our Presspahn Fibre Jointing Gaskets, also known in the industry as pressboard, press paper and elephantide.
Presspahn Fibre Jointing is an electrical insulation material which doesn’t allow the free flow of electrical current, protecting electrical conductors from coming into contact with people or tools during installation, repairs or when an electrical appliance or device is being used. Presspahn Fibre Jointing electrical insulation materials are manufactured in a paper form on a roll available in thicknesses from 0.13mm to 1mm thick and also in the rigid board from 0.5mm to 25mm which can be coated with a choice of adhesives and foil facings prior to being converted into finished products including gaskets.
Our in-house sales and production teams work closely with customers following their drawings or samples to create an exact match ensuring the production of perfectly fitting gaskets. Whether it’s a simple square or rectangular picture frame gaskets or a more complex and bespoke profile - we can offer a solution using one of our many presses and CNC machines.
Product Enquiry
For information on Presspahn Fibre Jointing Gaskets please complete the following quick enquiry or call us on +44(0)1384 252555.
Characteristics of Presspahn Fibre Jointing
- Colour: Natural/brown
- Thickness:
- Presspahn Paper: 0.13mm - 0.5mm
- Presspahn Board: 1mm - 25mm
- Density: 1-1.3g/cm
- Voltage Strength (in oil): 35-40Kv/mm (depending on thickness)
- Temperature: 105℃
Full technical data can be supplied upon request, or downloaded from our online portal.
What are Presspahn Fibre Jointing Gaskets?
Most people will naturally choose sponge or rubber when looking for a compressible material for gasketing applications, however in many cases, a ‘fibre’ based material could also be an option. Fibre jointing material such as Presspahn is made of fibre strands held together with a resin and then compressed under extreme pressure to create the rigidity.
Presspahn Fibre Jointing materials are produced using electrical grade kraft wood pulp, designed as a surface insulation material on cellulose for insulation class A and can withstand high heat exposure for short periods of time. Presspahn materials are available in paper and board form, in a choice of different thicknesses from which gaskets can be cut.
Presspahn Fibre Jointing gaskets are used as spacers or gap fillers, taking the form of strips, pads, washers or intricate cut-shaped pieces of material which are used for electrical insulation applications where they help restrict the flow of electric current by supporting electrical conductors - whilst preventing the current to pass through
Why use Presspahn Fibre Jointing Gaskets?
With a raised awareness of environmental and health & safety issues, more care is taken when manufacturing electrical equipment and machinery and the components used within them.
Like other Electrical Insulation gaskets, those cut from Presspahn Fibre Jointing papers and boards are manufactured for use as electrical barriers, restricting the free flow of current, protecting electrical conductors from coming into contact with tools and people during usage, repairs and installation .
Presspahn fibre jointing gaskets are just one of many electrical insulation gaskets supplied by ASG, often taken for its high chemical purity, mechanical strength and optimum oil impregnability. These properties make presspahn perfect for use within oil-filled power transformers and distribution transformers as well as an insulation material for electric machines and capacitors.
Other Types of Fibre Jointing Materials available
- Betaflex is a cellulose-based fibre material, which is made using a nitrile binder giving it excellent tensile strength, low compressibility, good elastic recovery and erosion resistance. Betaflex is used widely in the industrial and automotive sectors due to its resistance to oils. petrols, diesel and even antifreeze.
- Ceramic Fibre material is constructed using ceramic fibres and an organic binder, designed for extreme temperature applications reaching up to 1250℃. Ceramic fibre roll materials have excellent strength and flexibility, excellent insulating properties and thermal resistance.
- Gasket Paper has a high resistance to petrol, oil and water, therefore often utilised within automotive applications (within fuel/oil pumps and filters). It is not recommended for industrial use due to its lack of resistance to chemicals and heat.
Benefits of using Presspahn Fibre Jointing
- Can withstand high heat for short periods of time high
- Utilised in 105ºC rated (Class A) electrical applications
- Excellent mechanical strength and absorption characteristics
- Can be punched, folded and cut
- Good machinability
- Available in rigid board or flexible paper
Advantages of Using Presspahn Fibre Jointing Gaskets
Presspahn fibre jointing gaskets are highly utilised within transformer and other power transmission equipment offering an excellent insulating structure. The material offers properties including resistance to ageing, insulation performance and mechanical properties and is available in a choice of rigid board and paper gaskets.
Presspahn Fibre Jointing can be taken in full rolls or sheets of material for gasket conversion at a later date, or alternatively sawn, routered and pressed into a range of products here onsite at Advanced Seals & Gaskets Ltd and supplied as cut bespoke gaskets. During the formulation of the raw material, the compound is treated through several non-chemical processes, ensuring maximum purity free from fillers and impurities allowing for the material to be used in even the more stringent applications.
Presspahn Fibre Jointing gaskets offer excellent mechanical strength and oil penetration therefore suitable for both dry and oil based transformers and other equipment and can be used across a range of currents and voltages. Some of the applications in which Presspahn fibre jointing papers can be found include insulation within cables carrying electrical current or signals such as telephone cables, power cables, capacitors and even submarine power cables, whereas the presspahn fibre jointing boards are more often found as transformer boards in oil-filled transformers as an insulating structure.
Please contact us using the form below or by calling us on +44(0)1384 252555.