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  • What are the properties of silicone seals?
    Main performance characteristics of silicone seal ring: Excellent heat and cold resistance, can be used at -60 ~ 250℃ for a long time; good ozone resistance, good weather resistance; good electrical function Silica gel is a kind of colloidal substance with solid properties. Its basic composition is silicon dioxide (SiO2).The physical structure of silica gel is rich in micropores and high specific surface product. Its appearance is silica-hydroxyl structure, so it has strong adsorption effect on water vapor or other polar substances and selective adsorption separation ability. It is widely used in the fields of adsorption, drying, separation of substances, purification and preparation of high purity.In the field of chemical engineering, silica gel can be used as catalyst or catalyst carrier. Because of its chemical composition and physical structure, silica gel has the following advantages in use: 1. Stable chemical properties, insoluble in any solvent and solution except HF and strong base. 2. Good thermal stability. Type A silica gel with fine holes can be used within 300℃, while other types of silica gel can be used for A long time at 500-600℃; 3, silica gel has a rigid skeleton structure, has excellent wear resistance function and compressive strength. Each variety of the silica gel series products has its own characteristics, this is because the silica gel can get different types of pore structure and be used in different fields through controlling the corresponding process conditions in the production process. General parameters of silica gel silica gel: Cp=0.22Kcal/㎏ Thermal conductivity of silica gel: =0.17Kcal/ M.H. ℃ Silica gel adsorption heat: Q=700Kcal/㎏.H2O Silicone seal ring

    2020 07/01

  • Analysis of the failure of the silicone seal ring
    Silicone seal ring is widely used in the sealing field due to its superior elasticity and compressive properties, which can effectively prevent the leakage of media;It is because it is very widely used, so it is used in the scene, the use of the environment are diversity and uncertainty, these are the important reasons that lead to the failure of silica gel sealing ring will often occur, cracking is an important phenomenon of failure, cracking accounted for more than 80% of the number of defects;So what are the probable causes of silicone seal cracking?The following is a brief introduction. Silica gel seal overload: each material and product has its own safety load, silica gel seal is not an exception;For example, the rated load of silica gel ring is 10N force, while the working environment has 20N force, which is easy to produce cracking phenomenon under the circumstance of overload.Therefore, when designing the product, we must refer to relevant materials to see how much the load of the product is and whether the product is in overload operation. Generally, it is relatively safe not to exceed 90% of the load of the product. Aging of silicone sealing ring materials: in many cases, aging of materials is also an important reason for cracking. Each material has its own longevity.The products will become hard and brittle after aging, and then the cracks will occur due to stress gathering. Therefore, the silicone seal ring on the mechanical products should be replaced timely before aging and cracking to prevent safety accidents caused by the cracking of the rubber ring. Corrosion of the silicone seal ring: it is easy to understand the cracking of the product after corrosion. For example, the raw material of the silicone seal ring is oil-resistant. If the silicone seal ring is placed in an oil-containing environment for a long time, it is easy to be corroded and cracked;As long as the fluorine glue sealing ring has corrosion resistance characteristics, so in the product selection of raw materials need to understand the characteristics of raw materials and environmental media, as long as the raw materials and the use of media when the product can play its greatest role. Silicone seal ring Article content from the network, if there is a problem please contact me delete!

    2020 06/25

  • What is the sealing performance of silicone rubber sealing ring
    Silica gel is a kind of highly active adsorption material, which belongs to amorphous material.Insoluble in water and any solvent, non-toxic tasteless, stable chemical properties, only strong base, hydrofluoric acid reaction.The chemical composition and physical structure of silicone rubber determine that it has many advantages that are difficult to be replaced by other similar materials: high adsorption performance, good thermal stability, stable chemical properties, high mechanical strength and so on. Silicone rubber sealing ring has excellent sealing performance, waterproof without leakage;Good fresh-keeping effect, completely non-toxic and tasteless;High temperature and low temperature resistance, can be heated at high temperature without deformation, no harmful substances;After special inspection and testing, silicone rubber seal ring has a good tensile resistance;Long - term use of the yellow does not fade. The silicone rubber sealing ring is mainly used for waterproof sealing and fresh-keeping of crisper, electric rice cooker, drinking machine, lunch box, heat preservation box, heat preservation box, water cup, oven, magnetized cup, coffee pot and other daily articles. Silicone rubber sealing ring performance 1. Excellent sealing performance and no leakage. 2. Good fresh-keeping effect, completely non-toxic and tasteless. 3. It can be heated under high and strong temperature, without deformation and harmful substances. 4. Good tensile strength, specially tested. 5. Long-term use of the yellow does not fade. 6. Corona resistance, arc resistance, high and low temperature resistance, good aging resistance, high temperature resistance, compliant with FDA and SGS standards.

    2020 06/14

  • Does Shenyang fluorine rubber seal ring have standard specification?
    China abides by national norm GB3452, Japan abides by Japanese norm JISB2401, America abides by American norm AS568, German norm DIN, etc.Some specifications with relatively close line diameters are replaceable in the public service. Rubber sealing ring product characteristics: Epdm and EPDM rubber have excellent oxidation resistance, ozone resistance and corrosion resistance, excellent aging resistance, electrical insulation and ozone resistance.Can be used at 120℃ for a long time, also can be used at 150-200℃ temporarily or intermittently; Widely used: It is mainly used in the fields of aging resistance, water resistance, corrosion resistance and electrical insulation, such as light color tire side/rubber strip for tire and auto parts, heat resistant conveyor belt, cable, wire, corrosion resistant lining, gasket, building waterproof board, door and window sealing strip, home appliance accessories, ultra-high voltage insulation data, etc. Rubber sealing ring products are divided into national standard, Japanese standard, American standard, European standard and some non-standard special standard. Fluororubber with good stability has high chemical stability and is the best type 26 fluororubber with best dielectric resistance in all elastomers. It is resistant to petroleum based oil, diester oil, silicone oil, inorganic acid, most organic and inorganic solvents, drugs and so on.And only low molecular ketone, ether, ester, amine, ammonia, hydrofluoric acid, chlorosulfonic acid, phosphoric acid hydraulic oil resistance.The medium function of type 23 fluorogum is similar to that of Type 26, which makes it more unique.Its strong antioxidant inorganic acids such as fuming nitric acid and concentrated sulfuric acid have better functions than type 26. Soaking in 98% nitric acid for 27 days at room temperature, its volume expansion rate is only 13%~15%.High temperature resistant fluororubber and silicone rubber have the same high temperature resistant function, can be said to be the best elastomer. 26-41 Fluorogum can be used for a long time at 250℃ and for a short time at 300℃;The heat resistance of 246 fluorogum is better than 26-41 fluorogum.The physical function of 26-41 after air thermal aging at 300℃×100 hours is appropriate to type 246 after air thermal aging at 300℃×100 hours. The elongation of cracking can be maintained at about 100%, and the hardness is 90-95 degrees.Type 246 in the 350 ℃ hot air aging after 16 hours adhere to good elasticity, after 400 ℃ hot air aging 110 minutes adhere to good elasticity, after 400 ℃ hot air aging 110 minutes adhere to good elasticity, containing carbon black, spray pyrolysis carbon black or carbon fiber elongation add 1/2 - about one-third of rubber materials, strength decrease about 1/2, still insist on good elastic 23-11 type fluorine rubber can be in 200 ℃ using for a long time, in 250 ℃ short time using the fluorine rubber has excellent weather resistance and aging resistance of ozone resistance. It has been reported that type 23 fluororubber has excellent weather and ozone resistance without significant cracks after 45 days in air with ozone concentration of 0.01%.Vacuum function of 26 type fluorine rubber has excellent function of vacuum vacuum degassing rate of 246 fluorine rubber vulcanizates was only 37 x 10-6 cm2 holder/SEC 246 type fluorine rubber fluorine rubber seal has successfully in 9 of 10 - vacuum conditions the application of mechanical function of fluorine rubber has excellent physical and mechanical function of 26 type fluorine rubber comprehensive strength generally is 10 ~ 20 mpa, cracking is 150 ~ 350% elongation, tear strength of 3 ~ 4 kN/m 23 type fluorine rubber intensity is 15.0-2 ~ 7 million mpa,Elongation is 200-600%, tear strength is 2-7 mpa.Generally speaking, the permanent deformation of fluororubber at high temperature is larger, but if compared under the same conditions, such as the permanent deformation at 150℃, butyl rubber and neoprene are larger than type 26 fluororubber, the 24-hour permanent deformation at 200℃ is appropriate for the 24-hour permanent deformation of butyl rubber at 150℃.Electrical Function Type 23 fluoroelastomer has better electrical function and lower hygroscopicity than other elastomers and can be used as better electrical insulation data.Type 26 rubber can be used at low and low frequencies.Low permeability fluororubber has a high solubility in gas, but the diffusion rate is relatively low, so the overall permeability is low. It is reported that the permeability of type 26 fluororubber to oxygen, nitrogen, helium and carbon dioxide gas at 30℃ is suitable for butyl rubber and butyl rubber, better than neoprene and natural rubber.Low temperature function Fluorine rubber low temperature function poor, this is caused by its own chemical structure, such as 23-11 glass transition temperature & GT;The low temperature function of fluororubber in practice at 0℃ is usually indicated by brittleness temperature and cold resistance coefficient.The formulation of the binder and the shape of the product (such as thickness) have a great influence on the brittle temperature.If the amount of filler in the formula is added, the brittle temperature sensitively deteriorates, and if the product thickness is added, the brittle mixture sensitively deteriorates.Radiation-resistant fluororubber has relatively poor radiation resistance in elastomers.Type 26 rubber showed crosslinking after radiation, while type 23 fluororubber showed cracking.The function of type 246 fluoroelastomer was significantly changed under 5×107 l dose of normal temperature air radiation.Under the condition of 1×107 l, hardness increased by 1~3 degree, strength decreased by less than 20%, elongation decreased by 30%~50%.Therefore, it is generally assumed that type 246 fluororubber can accept 1×107 M, with the limit of 5×107 m of excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance.

    2020 06/08

  • Want to do a good job of sealing ring, material is also very important oh!
    Sealing ring manufacturers tell you that the selection of sealing ring material for its sealing function and use of life is of great significance.The function of the material directly affects the function of the sealing ring. In addition to having the general requirements of sealing ring material, sealing ring should be careful of the following conditions: (1) with elasticity and resilience; (2) appropriate mechanical strength, including expansion strength, elongation and tear strength. (3) stable function, not easy swelling in the medium, heat shortening effect (joule effect) is small. (4) easy to process and shape, and can adhere to the precise scale. (5) no corrosion of contact surface, no pollution medium, etc. The most suitable and commonly used material to meet the above requirements is rubber, so the sealing ring is mostly made of rubber material.There are many kinds of rubber, and there are new kinds of rubber, planning and selection, should understand the characteristics of a variety of rubber, reasonable selection.

    2020 06/01

  • Silicone rubber seal ring manufacturing installation
    Today we will introduce the manufacturing and installation of silicone rubber sealing ring to you. We hope that you can have a deeper understanding of the manufacturing and installation of silicone rubber sealing ring through our introduction Conductive rubber is the glass plated silver, aluminum plated silver and silver particles evenly distributed in the silicone rubber, through the pressure of the conductive particles contact each other, to achieve the purpose of conducting electricity.Conductive rubber is used in both military and commercial applications, mainly for sealing and electromagnetic shielding.Conductive rubber products can be molded or extruded, available in sheet and other punching shapes.The conductive rubber has good properties of electromagnetic seal and water vapor seal, and can provide good conductivity under certain pressure. In daily life, we can cut out a small piece of conductive rubber to repair the end of the electrical contact of the remote control, remote control battery electrode parts of the plate is easy to corrode, if in conductive rubber sheet instead of electrode, one will not rust, two and can be waterproof, three replacement is convenient, is the best choice for repair contact. In the medical electrode, conductive rubber has been widely used, at this time conductive rubber electrode is thin, conductive rubber is completely electrified.Conductive rubber must bear a certain pressure to better conductive seal, silicone rubber seal ring manufacturing installation so the structural design must ensure the appropriate pressure and pressure.Type O conductive rubber sealing ring is mainly used for various electrical appliances. Silicone rubber seal ring manufacturing installation _ silicone rubber seal ring sealing installation Silicone rubber can be divided into thermal vulcanization type (high-temperature vulcanized silicone HTV) and RTV, among which the RTV type can be divided into polycondensation type and addition type.High temperature silicone rubber is mainly used to manufacture a variety of silicone rubber products, and room temperature silicone rubber is mainly used as adhesives, sealing materials or molds.

    2020 05/27

  • The root cause of silicone seal ring damage
    Silicone sealing ring is widely used in sealing profession because of its excellent ductility and anti-pressure ability, which can reasonably obstruct the leakage of substances.It is because it is used very commonly, the situation that USES as a result, the natural environment that USES often has diversity and variability, this kind is full of the crucial reason that causes silica gel sealing ring to often produce invalid, among them rupture is invalid a crucial situation, rupture accounts for the total number that comes to poor 80% above;So about what causes the silicone seal ring to break?The following is a brief introduction. Silicone seal ring overload: each original information and product often has its own safety load, silicone seal ring are not listed;For example, the rated value of silicone ring can resist the load of 10N force, while the natural environment in the work will have 20N force, in the case of such overload, it is very simple to break the situation;Therefore, under the design of the product must check the relevant information to see how much the load of the product, the product is not in overload operation, generally not more than 90% of the load of the product is relativity is very safe. Silicone sealing ring original data embrittlement: in many cases, the original data embrittlement is also the reason for the crucial rupture, each data often has its own service life, long-term use of embrittlement beyond its own service life will break;Product embrittlement will become hard and brittle followed by stress on the vacancy resulting in rupture, so it is necessary to embrittlement of the silicone sealing ring on the mechanical equipment products before immediately disassembly and replacement, to prevent the rubber ring rupture and production safety accidents. Silicon rubber seal ring is etched: the product is etched after the rupture of the situation is very good to understand, for example, silicone rubber seal ring information is not acid and alkali resistant, how to put silicone rubber seal ring in the natural environment with oil in the long term use is very simple to be etched rupture;Also has is how the chemical corrosion of natural environment without the use of fluorine rubber seal ring is very easy break, can only have corrosion features of fluorine rubber seal ring, so in the case of product selection data characteristics and the natural environment it is necessary to master data material, only to coincide with the data and the use of material under the condition of the product can give full play to its larger effect. The article content comes from the network, if has the question, please contact with us!

    2020 05/22

  • What is the common bad phenomenon of producing fluoroglue sealing ring?
    Produce shenyang fluorine rubber sealing ring what common bad phenomenon? For fluorine rubber sealing ring, can say that most products are not very strict to the requirement of it products of different obstruction for as long as can normal use basic problem, but as a fluorine rubber supply merchants is the demand to the quality for this, to stand by service, regardless of the silicone rubber gasket products quality requirements is tough is lax, is still needs to make corresponding preparedness phenomenon, say the fluorine rubber sealing ring are below manufacturer of bad phenomenon, what are the problem. Fluorine rubber sealing ring are not ripe often see a phenomenon of right and wrong, we all know that small fluorine aprons basic no profit, all run on traffic to get to the corresponding profits, due to the fluorine aprons manufacturers need to improve in the process of producing power, so to speed up the operation mode improves the moment the mold, when rendering are not ripe soft phenomenon naturally, it is to cause a decline in product deformation using life.

    2020 05/18

  • High thickness plastic injection mould structural foam moulding plastic parts
    Injection molded parts Part Name High thickness plastic injection mould structural foam moulding plastic parts Main Product CNC Milling, Plastic Mould/Tooling, Prototype,Injection Molding Product, Injection Foaming Mold, 3D Printing,Die Casting, Gas Assisted Injection Molding such as part for Auto, Medcial, Aerospace, Houseware- Packaging Details-Carton box with appropriate paperboard thickness -Inside care with bubble wrap or protective foam -Double inside care with cushioning materials -Strong tape wrapped outside -Other special requirements from client

    2020 05/15

  • sealing ring Silicone heat-resistant sealing strip Seal gasket Electrical rubber gasket insulation ring
    sealing ring Silicone heat-resistant sealing strip Seal gasket Electrical rubber gasket insulation ring. Silicone seal High temperature resistance, corrosion resistance, wear resistance Meal box sealing strip with good sealing Food grade silicone safe and secure Feature: To ensure good sealing, waterproof, dustproof, anti-noise, noise, shock absorption effect. Avoid dust and rain into the car. Anti-aging, high temperature, chemical performance. Has good flexibility and anti-compression deformation, long-term use will not break or change. The seal is easy to install, strong, reliable, easy to carry the advantages.

    2020 05/09

  • Good quality manufacturer different size and material oring o ring o-ring
    Brand guide OEM&ODM Avaliable Size Customized Factory Location Liaoning,china Color Customized Package Customized Shore Hardness 30-80 Shore A Certification SGS Material Default Color Temperture(℃) Temperture(℉) NBR Black -30℃ - 100℃ -22℉ - 212℉ HNBR Green -20℃ - 150℃ -4℉ - 300℉ EPDM Black -55℃ - 150℃ -67℉ - 300℉ Silicone Red -55℃ - 205℃ -67℉ - 400℉ FKM Brown -20℃ - 200℃ -4℉ - 392℉ CR Black -40℃ - 100℃ -40℉ - 212℉ Aflas® or Kalrez®(FFKM) Acrylate Rubber(ACM) Butyl Rubber(IIR) Ethylene-propylene (EPR, EPDM) Ethylene Acrylate Rubber(AEM) Fluorocarbon (FKM/FPM) Fluorosilicone(FVMQ) Hydrogenated Nitrile (HNBR) Liquid Silicone Rubber(LSR) Neoprene Rubber(CR) Nitrile Rubber (Buna-N/NBR) Natural Rubber(NR) Polyurethane(PU) Silicone Rubber Styrene-butadiene Rubber (SBR) The rubber seal ring is an annular cover consisting of one or more parts. It is fixed on one ring or washer of the bearing and contacts with another ring or washer to form a narrow labyrinth gap to prevent leakage of oil and foreign objects.

    2020 05/04

  • Customized Size Solid Round Rubber Sealing Strips Good Seal Function
    Backed by valuable industry experience of four decades, we are noted organization engaged in manufacturing and Trader qualitative assortment of Rubber Molded and Extruded Items. Our extensive product line is available in categories including Rubber Sheets, Rubber Extruded and Molded Profiles and Silicone Rubber Products. Some of the products under these categories are Rubber Extruded, O` Ring and `O` Ring Cords, Silicone Sleeving Tubing, Silicone Tri-clamp Gasket, White Insertion Rubber Sheet and Corrugated Anti-skid Rubber Mats. Fabricated using the high-quality raw material, these products are available in several polymers such as Natural, Nitrile, EPDM, Neoprene, Butyl, Silicone and Viton Polyurethane. Well-reckoned for their durability, reliability and dimensional accuracy, these products find a wide application across various industries such as heavy engineering, automobile, cement and many more. Leveraging on the skills of our professionals, we have been able to offer complete customized solutions as per the specifications detailed by our clients. Moreover, our dexterous team of quality controllers stringently tests the entire range ensuring its compliance with the international standards of quality. With the aid of our wide distribution network, we assure timely deliveries to our clients spread across the Indian Subcontinent.

    2020 02/14

  • Synthetic Nitrile O Ring Rubber Market
    Rising environmental concern due to the production and application of the synthetic rubber may hinder the synthetic rubber market during the forecast period. There is a huge amount of carbon dioxide emitted that increase the greenhouse gases, impacting the ozone layer and increase global warming eventually. There are several types of pollution caused while the production as the plastic waste has to be dumped on the land causing land pollution. Owing to disadvantages such as toxic smoke generation when burned, incompatibility with solvents and many more, the use of synthetic rubber in industries may get affected which ultimately hinders the market growth in the forecast period. Growing application of hydrogenated nitrile-butadiene rubber (HNBR) in the emerging economies is propelling the market growth. Moreover, China contributes significantly to the market due to rapid industrialization and government policy to promote rubber production raises the demand for synthetic rubber in the country. Additionally, growing demand for synthetic rubber in the footwear industry is contributing to the growth of the market in the region.

    2020 02/14

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