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Product Name: Wholesale Insulating Material Epoxy Electric 3725 Bakelite Bar Cotton Phenoilc Laminated Rod Model NO.: 3723 Brand: Rainyan Color: Brown Certification: UL, ISO9001 Classification: Organic Insulating Material Maximum Voltage: 20KV~100KV Thermal Rating: H 180 Material: Resin Chemistry: Organic Insulation Type: Insulation Sheet Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical base, Shell, Motor, Insulating Varnish, Switch baseplate Trademark: rainyan Transport Package: Pallet Specification: 0.5mm-200mm Origin: China Product Description PRODUCTS INFORMATION3721 phenolic cotton cloth laminated rodThe products are made of cotton which dipped into the phenolic aldehyde resin then heat pressed by mould.With high mechanical properties and processing properties.heat-resisting grade is E. It is Suitable for electrical equipment of insulation structure parts and transformer.According to the properties ,they can be divided into three kinds:3721,3723,3725,3721 is better than 3723< in> mechanical strength; 3723is an economical product versus 3721 ,3725 Similar to NEMA grade LE.2,Technic Requirement1. Guise:smooth,no air bubble,no oil stain& impurity,allow have inequality color, scrap,a little not level which does not interferethe usage;Diameter exceed 25mm,allow have crack which does not interferethe usage2,Size:DiaToleranceDiaTolerance6~12±0.5>28~45±1.5>12~16±0.7>45~65±2.0>16~28±1.0>65~200±2.33. WarpDia(mm)warp(%)6>6~19>19≤2.0≤1.0≤0.54,After machining it should be without interlayer and lose.5,Physical,Mechanical and Dielectric performancePropertiesUnitGradePhenolic Cotton Cloth Molded Rod372137233725Flexural strength>=MPa1188883Tensile strength>=MPa78--Compressive strength(Axial) >=MPa--138Breakdown voltageParallel to laminations(in transformer oil)>=kV10(20±<5°C>)-10(20<5°C>)Insulation resistanceparallel to laminationA: Under normalconditionsD-24/23:Immersionin water≥W1.0×108-- -- -Densityg/cm3(1.25-1.40)Water absorption rate(D-24/23, Φ25mm)<=%1.01.01.0FlammabilityClass---Color-NaturalReference standard-Q/TXXFR004-2009ApplicationProducts ShowCompany InforamtionXuchang Ruiyuan insulation material co.,ltdinsist on theidea"GOOD QULAITY, GOOD SERVICE ". it is establish 20years old.Itis located in Xuchang City, Henan Province, China.From 2010 year old our company begin deal international trade, based on the original business. Till now we import and export to many contries, such as United Kingdom, Germany, France, Ukrain, Bulgaria, Italy, India, Pakistan, Bangladesh, Korea, Brzil and so on.Our manufacturing technique is leading in this field and well known in the world.Now there are more than 20 product facilities, and 105 staff, including 5 senior technical, 20 intermediate technical. Main products are manufactured on international standard.Our products mainly used for transformerand electrical motor, we produces insulation paper, insulation board, insulation tape,insulation film and also sales PTFE FR4 PA6 and cable wire. We will develop with you by best-quality products, warm-hearted service and mutually beneficial cooperation!Package and shippingService
