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The flowable, red silicone rubber (RTB/HB) has a high heat resistance and low elasticity. They are used as mould construction material for casting moulds for low-melting metals where high hardness is required. Cleaning and degreasing the plastic surface of loosely adhering dust, oil, grease and separating and processing agents with water or solvents - this does not change the structure of the surface. Cleaning can be carried out by immersion or spraying. Degreasing is done with organic solvents or by pre-drying in the oven.
It has unparralelled long term and short term strength and boasts brilliant resistance to humidity, solvents , plasticisers and UV, salt water and alkalines. This tape withstands the test of time and weathering! Mechanical pretreatment by brushing, grinding, sanding or sandblasting - this changes the roughness and the size of the surface area effective for the bond. At the same time, loosely adhering reaction products, polishing and sliding agents and stabilisers are removed.
UHB Bonding Tape Sizes
But structural damage to the new CFRP aircraft can now also be repaired by bonding: Lufthansa Technik has developed a new type of repair method here as part of the "Rapid Repair" research project: A milling robot cleanly mills out the damaged area (on a wing, for example) and a precisely fitting repair part is inserted with an adhesive film. Under vacuum and using a heating mat, the repair patch hardens and can be repainted. Afterwards there will be no more visible signs of the repair. Advantage: No holes need to be drilled which could destroy the sensitive fibre structure. PA - polyamide is high-strength and impact-resistant. Its abrasion and wear resistance combined with excellent sliding properties make it a preferred construction material in machine or vehicle construction. Because of its high mechanical strength, it has now even displaced many metal components in vehicle construction - sometimes reinforced with carbon or glass fibres. But PA is not easy to bond. High bond strengths of PA materials require the use of special pre-treatment methods or specially developed, reactive adhesives. Further information.
The tape is typically applied during the body in white process. It is run through the automotive paint pre treatment process and then the e coat process. The tape expands and cures in the e coat cure oven to fill and seal small gaps. The tape forms a continuous barrier between similar and dissimilar materials, which minimizes electrical conductivity and helps prevent galvanic interactions.
The transparent plastic SAN from the group of styrene-based plastics is often used as a material for greenhouse or industrial glazing as well as shower cabins because of its weather resistance, rigidity and scratch resistance. Depending on the requirements, a wide range of high-performance adhesives is suitable for material bonding. Further information. When selecting an adhesive, one should consider what the bond must be able to withstand and what stresses the component will be exposed to in use. These are the questions about mechanical, dynamic and static loads, the temperature range, the influence of moisture, other chemical substances or UV radiation. At the same time, the list of requirements should include information on the parts to be joined, the production conditions, specifications for occupational safety and environmental protection, information on long-term resistance and quality assurance, as well as the selected test procedures and costs.
Short-term temperature tolerance up to 260 °C, with an operating temperature tolerance of up to 150 °C The cold-crosslinking HTV silicone rubbers are plastically deformable materials which are used, for example, as cable sheathing, for electrical insulation or for sealing and damping purposes. Plastic components are often fixed with the aid of adhesives to prevent them from slipping during further process handling. Acrylate-based adhesives in particular usually adhere very well to many plastics. They have a strengthening and supporting effect for load transfer and stress reduction. Acrylic adhesives, which are also used for permanent bonding, are characterised by short processing times and high strength to many plastics and elastomers. These adhesives achieve, for example, as 2-component adhesives on low-energy plastics such as PC, PMMA, PVC etc., good shear and peel strengths as well as good impact strength under dynamic loads. From the 3M Scotch-Weld series, even acrylic adhesives have been developed in the meantime, which provide good results on difficult to bond plastics with low surface energy without any surface preparation or primer.
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Silicones - chemically more precisely known as poly(organo)siloxanes or siloxane - are synthetic polymers whose silicon atoms are connected via oxygen atoms (Si-O-Si). They occupy an intermediate position between organic and inorganic compounds. At present well over 10,000 different types of silicone are known. Silicone rubbers are differentiated according to the temperature required for cross-linking. With this information, the adhesive and surface treatment can be selected based on technical data sheets, experience and the literature. If it is important, adhesive samples should be made and tested before the adhesives are used. In mechanical testing, the bonded joint is loaded until it breaks. The type of fracture provides information about the quality of the bond and indicates where defects occurred during bonding. An adhesion fracture is when the adhesive detaches from the joined part. A cohesion fracture is a fracture in the adhesive itself and a fracture in the part to be joined describes a fracture outside the adhesive surface in the part to be joined. POM - Polyoxymethylene is one of the most frequently used engineering plastics due to its excellent sliding and wear behaviour. With its outstanding mechanical properties, POM bridges the gap to the more expensive metallic materials, often replaces them and is therefore one of the preferred construction materials, e.g. for precision mechanical parts. Normally, bonding is only possible after surface pre-treatment by flame treatment, etching with primer, corona or low-pressure plasma. Modern, high-performance adhesives, however, can do without this. Further information. The highly elastic silicone rubber (RTV/HE) is a quite flowable silicone rubber with very high elasticity and at the same time low viscosity. It is particularly suitable for the production of filigree elastic forms with pronounced undercuts. Fields of application are relief casting moulds or moulds for strongly structured decorative panels or wall elements.
Recommended Applications: Decorative material and trim, Nameplates and logos, Electronic displays, Panel to frame, Stiffener to panel Rubber or rubber-like materials are widely used in industry and everyday life: for example in seals and rollers, in vibration dampers or for footwear. In general, a whole range of different types of adhesives are suitable for bonding rubber. However, the optimum adhesive always depends heavily on the rubber compound and the intended use. Further information. Specifically designed to bond Plasticised PVC sheeting and rubberised materials, Suitable for bonding all plastics. Glass Clear UHB Acrylic TapeAny great mechanic knows that to get the best results, you need the best products. While you may have some old glue or tape in the cupboard or the toolbox, car glues, adhesives, tapes and sealants are created to high-standards, which mean they won’t damage or destroy the finish on your car. In contrast, the low-viscosity, hot-crosslinked silicone rubber (RTV/NV) is medium-elastic, has good flowability and low viscosity. It is therefore particularly suitable for the manufacture of elastic wax or relief casting moulds, casting moulds for figures or decorative panels, moulds for casting with epoxy / casting resin, cement, plaster or other flowable materials.
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