EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 60394-3-1 testing. This standard is one of a series of varnished fabrics woven on a basis of cotton, natural silk or synthetic fibers (including glass), supplied in full width rolls, sheets or cut strips of various widths.
The implementation of this requirement is the subject of prior agreement between the buyer and supplier, depending on the purpose for which the material is intended.
The standard covers the chemical composition and physical properties of OR/C clearcoat, including details on the type of resins used, solvent systems and viscosity of the varnish. It also provides guidance on applying the varnish to cotton fabric, including details on the drying and curing process.
In addition, the standard provides the requirements for OR/C varnished fabric, including details on its mechanical and electrical properties. This includes information on the material's tensile strength, elongation, and electrical insulating properties.
The purpose of this standard is to ensure that OR/C varnished fabrics used in electrical applications meet certain quality and performance standards. By adhering to these standards, manufacturers can ensure that their products are safe, reliable and effective for their intended use.
Oil resin varnish typically consists of a combination of natural resin and oil. The natural resin used in the finish may vary and may include materials such as rosin, dammar or shellac. The oil used is typically a drying oil such as linseed oil or tung oil. The solvent system used in polish typically consists of a mixture of alcohols and other organic solvents.
The mechanical properties of OR/C varnished fabric may vary depending on the specific formulation and application process. In general, the fabric has good tensile strength and elongation properties that enable it to withstand mechanical stress and deformation.
In terms of electrical properties, OR/C varnished fabric has good insulating properties, making it suitable for use in electrical applications. The material typically has high dielectric strength and good insulation resistance, allowing it to effectively isolate electrical components and prevent electric arcing or breakdown.
EUROLAB assists manufacturers with IEC EN 60394-3-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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