China Shanghai Lorechem Company Limited Company News

Release Agent for Rubber Hose Rubber Type   The inner and outer rubber layer material of the general rubber hose is natural rubber, styrene butadiene rubber or butadiene rubber; Oil resistant hose adopts neoprene rubber, nitrile rubber; Acid and alkali resistant, high temperature resistant hose using ethylene propylene rubber, fluorine rubber or silicone rubber   How to choose suitable release agent     Advantages of LoreChem release agent     High lubrication, good stripping   The inner wall of the hose is clean and dry   Avoid rubber hose pit, trachoma problems   Note on the use of release agent: 1, Stirring or shaking well before use, so that the precipitation of the resin mixed evenly 2. The surface of the mandrel should be clean and dry before using the release agent 3. Release agent can be sprayed, dipped or rubbed to evenly coat the mandrel surface 4. The release agent tank should be cleaned regularly during production    

The Advantages and Disadvantages of Different Rubber   Natural Rubber (NR)   Advantages: Natural rubber (polyisoprene, NR) has excellent wear resistance, tensile strength and elasticity. It has good adhesion to fabrics and metals and has good low temperature flexibility. Natural rubber is generally resistant to moderate chemicals, alcohols, ketones and aldehydes.   Disadvantages: Natural rubber (polyisoprene, NR) is not suitable for applications involving outdoor exposure (ozone, thermal aging and antioxidant properties). Natural rubber is very resistant to corrosive chemicals, petroleum derivatives, fats and non-polar solvents.   Epdm Rubber     Advantages: EPDM elastomers (ethylene allylene diene monomers) can be used to resist ozone, oxygen, and thermal degradation and are often recommended for outdoor applications. It can show good resistance to water, steam, alkali, acid and oxygen-containing solvents. Epdm rubber has good low temperature flexibility and can be vulcanized with sulfur and peroxide. Disadvantages: EPDM (ethylene allylene diene monomer) is not recommended for applications requiring oil, gasoline, and hydrocarbons resistance. Epdm rubber compression deformation performance is not good, with fabric and metal adhesion is not good.   Fluororubber (FKM)   Advantages: Fluororubber (FKM) is a special elastomer that resists extreme heat, oil, gasoline, hydraulic oil and hydrocarbon solvents. It has good resistance to oxygen, ozone and sunlight, and has good impermeability to gas and steam. Disadvantages: Fluorine rubber is generally not resistant to oxygen-containing solvents, and the performance of tear resistance is relatively poor. The low temperature resistance is not good, generally only to about -25 degrees, the price is expensive.   Nitrile butadiene rubber (NBR)   Advantages: For products that require oil resistance, nitrile (butadiene acrylonitrile, BUNAN, NBR) is the polymer of choice. It has excellent resistance to petroleum, gasoline, petroleum-based hydraulic fluids and hydrocarbon solvents. In addition, it provides good resistance to alkalis and acids. Nitrile rubber can be adapted to a wide temperature range. Disadvantages: NBR (butadiene acrylonitrile, BUNAN, NBR) is not recommended for applications where it is exposed to ozone, weathering, heat, and sunlight. It is less resistant to polar solvents such as esters, ketones, chlorinated solvents or nitrocarbons.  

The Advantages and Disadvantages of Different Rubber   Natural Rubber (NR)   Advantages: Natural rubber (polyisoprene, NR) has excellent wear resistance, tensile strength and elasticity. It has good adhesion to fabrics and metals and has good low temperature flexibility. Natural rubber is generally resistant to moderate chemicals, alcohols, ketones and aldehydes.   Disadvantages: Natural rubber (polyisoprene, NR) is not suitable for applications involving outdoor exposure (ozone, thermal aging and antioxidant properties). Natural rubber is very resistant to corrosive chemicals, petroleum derivatives, fats and non-polar solvents.   Epdm Rubber     Advantages: EPDM elastomers (ethylene allylene diene monomers) can be used to resist ozone, oxygen, and thermal degradation and are often recommended for outdoor applications. It can show good resistance to water, steam, alkali, acid and oxygen-containing solvents. Epdm rubber has good low temperature flexibility and can be vulcanized with sulfur and peroxide. Disadvantages: EPDM (ethylene allylene diene monomer) is not recommended for applications requiring oil, gasoline, and hydrocarbons resistance. Epdm rubber compression deformation performance is not good, with fabric and metal adhesion is not good.   Fluororubber (FKM)   Advantages: Fluororubber (FKM) is a special elastomer that resists extreme heat, oil, gasoline, hydraulic oil and hydrocarbon solvents. It has good resistance to oxygen, ozone and sunlight, and has good impermeability to gas and steam. Disadvantages: Fluorine rubber is generally not resistant to oxygen-containing solvents, and the performance of tear resistance is relatively poor. The low temperature resistance is not good, generally only to about -25 degrees, the price is expensive.   Nitrile butadiene rubber (NBR)   Advantages: For products that require oil resistance, nitrile (butadiene acrylonitrile, BUNAN, NBR) is the polymer of choice. It has excellent resistance to petroleum, gasoline, petroleum-based hydraulic fluids and hydrocarbon solvents. In addition, it provides good resistance to alkalis and acids. Nitrile rubber can be adapted to a wide temperature range. Disadvantages: NBR (butadiene acrylonitrile, BUNAN, NBR) is not recommended for applications where it is exposed to ozone, weathering, heat, and sunlight. It is less resistant to polar solvents such as esters, ketones, chlorinated solvents or nitrocarbons.  

2024 MOSCOW Polyurethane & Composite Exhibition     From March 26 to March 28, 2024, the 16th Russian International Composite Materials Exhibition + the 15th Russian International Polyurethane Exhibition was held in the Ruby Exhibition Center.     The exhibition covers an area of 25,000 square meters, the number of exhibitors and brands reached 440, and attracted 35,800 visitors.     Shanghai LoreChem Co., LTD., as a professional release agent and hot vulcanized adhesive manufacturer, has attracted a large number of customers to come to consult. Customers are interested in our CPU and compound release agents, as well as hot vulcanized adhesives. Our technical support manager Yang is very detailed and enthusiastic at the scene to answer all kinds of technical questions for customers.     The company's exhibition to broaden horizons, open up ideas, exchanges and cooperation based, make full use of this exhibition opportunity, with visiting customers and trading companies to exchange, communicate, negotiate, further broaden the Leruigu and the world's polyurethane industry cooperation channels, the release agent adhesive products of win-win cooperation to a new height.  

Selection of Mould Release Agent What is release agent? Rubber release agent is a special chemical used for the production of rubber products, the main role is to form a film on the surface of the rubber product mold, so that the rubber product is easy to fall off the mold.   Part of rubber release agent   1. Film forming component The main component is a high molecular polymer, which is used to form a thin film on the surface of the mold to separate the rubber from the mold.   2. Lubricant The main component is a lubricant (such as paraffin), which is used to reduce the friction between the rubber and the mold, so that the rubber is easier to detangle from the mold.   3. Additive Including antioxidants, antibacterial agents, etc., improve the stability and use effect of the product.     Second, the selection of the appropriate rubber release agent needs to consider the following factors: 1. Scope of application: Different rubber release agents are suitable for different rubber materials and products, and need to be selected according to actual needs. 2. Demoulding effect: The demoulding effect is good and the rubber products are easy to fall off from the mold. 3. Stability and durability: high-quality rubber release agent should have high chemical stability, not easy to decompose and deteriorate.   Third, excellent rubber release agent should have the following advantages: 1. High film formation: A uniform and tough film can be formed on the surface of the mold to effectively protect the surface of the mold. 2. High lubricity: reduce the friction coefficient between the rubber and the mold and improve production efficiency. 3.Good heat resistance and chemical corrosion resistance: can withstand high temperature and chemical corrosion, maintain stability. 4. Non-toxic or low toxicity: small impact on the environment and human health, in line with the modern green chemistry concept   Fourth, rubber release agent is widely used in the production process of various rubber products, such as tires, tape, rubber shoes and so on. When used, it is sprayed or smeared on the surface of the mold, and after forming a film, rubber products can be produced. Pay attention to protect eyes and skin during use, avoid prolonged contact.   LubeKote rubber release agent with lasting lubrication, efficient release and water-based environmental protection as the main selling points, for many customers at home and abroad to provide high-quality products and services and customized technical solutions, after 16 years of market exploration, by the industry.  

    In 2023, with the joint efforts of all employees, the company's performance is thriving. This achievement is inseparable from the hard work of every employee and the spirit of teamwork. 2024 is the traditional Chinese Year of the Dragon, and to celebrate this special year, Lorechem has arranged a grand New Year's Eve dinner in the beautiful city of Hangzhou. The dinner party was full of lights and decorations. With cheerful music, exciting raffles and exciting awards, families enjoyed a memorable evening together.   At the banquet scene, a strong band performed a wonderful performance, and the energetic music made the atmosphere reach a climax. The band members dressed in exaggerated costumes and played the songs with passion. Such a scene makes people feel incredibly free and released, as if in this moment, all the constraints and pressure are thrown out of the cloud. On the new journey in 2024, Lorechem will continue to uphold the core concept of "quality for survival, service for development, talent for opportunity, struggle for prosperity", and join hands with all employees to create a more brilliant future.

Polyurethane adhesive THINKBOND 940T   Thinkbond 940T is a single-coat reactive adhesive for undercoating and bonding a variety of polar substrates. These substrates include steel, electroplated metals, aluminum, brass, aramid, carbon fiber, etc., as well as many thermoplastics (e.g., nylon, polyester, PPS, PPO, PEEK, PES, PBT, carbon fiber) and some thermosetting resins (e.g., urethane, epoxy, and formaldehyde resins).   The Thinkbond 940T is a third-generation product that combines technology to provide long-lasting bonding in harsh environments. It solves the pain points such as high cost of elastic bonding of casting polyurethane, insufficient strength, affecting surface stability, and inability to dilute with solvent without easy drug production certificate.     Raw material system: TDI NDI Performance summary: Good bonding strength, more than 45N, roll test passed, excellent hydrolysis resistance (70℃ for one week)   CPU caster System: TDI+MOCA   Operation process: anhydrous ethanol, isopropyl alcohol, butanone or acetone diluted 0.5-0.8 times brush use (spray can be diluted more than 1 times)   Glue properties: aluminum, steel surface sandblasting treatment, high bonding strength, and glue products can also resist hydrolysis. It is easy to cope with the conventional pouring process, and the high temperature performance of the molding process is also excellent.   Product introduction   THINKBOND 940T is a high performance hot vulcanized adhesive suitable for casting, moulding processes where pouring temperatures can be 90-140°C and moulding temperatures can be operated from 140-165°C. This product can resist acid and alkali, hydrolysis, dynamic and static performance is excellent.   Suitable for: forklift wheel, rubber roller, synchronous belt, track plate, pipe lining, seal, scraper.   Product advantage   1. Ethanol, xylene, isopropyl alcohol and other non-toxic solvents can be diluted, and the effect of molding CPU is better   2. Versatility -Thinkbond 40T can be used as a base coat for a wide range of polar substrates and as an adhesive for many thermosetting resins such as urane and DAP.   3. Easy to use - easy to apply by spray, dip, roll or polyester felt applicator.   4. Fast drying - Thinkbond 40T contains a fast drying solvent to help reduce manufacturing time.    

Rubber Tech Vietnam 2023   2023/11/15-2023/11/17   Shanghai Lorechem Company Limited   Booth No.: A11  

Rubber Tech Vietnam 2023   2023/11/15-2023/11/17   Shanghai Lorechem Company Limited   Booth No.: A11  

Attend the Hose & Belt Information and Technology Forum   Shanghai Lorechem Co., Ltd. was established in 2008. It is a high-tech enterprise which is dedicated to serve releasing products which involve semi-permanent release agent, anti-sticking, surface lubrication and thermal reactive adhesive. Shanghai LoreChem has been improving product quality for 15 years. The releasing products are mainly applied in rubber, polyurethane and composite industry. The brand of Lubekote for release agent and Thinkbond for adhesive have been registered in China. Both of them are well known in the industry. Shanghai Lorechem's business is all over the domestic and foreign high-end production enterprises by providing professional technical solutions and services. The company's long-term goal is to become one of the best suppliers of release agent in Asia.