The product is an epoxy curing agent named PACM with the CAS number 1761 - 71 - 3. It is offered by a factory directly, which ensures a good price and high - quality supply. PACM, or 4,4' - Methylenebis(cyclohexylamine), is a cycloaliphatic amine curing agent known for its excellent chemical and physical properties.
It has a molecular weight of approximately 224.4 g/mol. The appearance of PACM is a clear to pale - yellow liquid at room temperature. It has a relatively low viscosity, which makes it easy to handle and mix with epoxy resins. The amine value is usually in the range of 480 - 520 mg KOH/g, which is an important parameter indicating its reactivity with epoxy groups.
Epoxy curing agent PACM has a wide range of applications across different industries. In the coatings industry, it is used to produce high - performance epoxy coatings. These coatings offer excellent corrosion resistance, chemical resistance, and mechanical properties. They are suitable for protecting metal surfaces in harsh environments, such as offshore platforms, bridges, and storage tanks.
In the composites industry, PACM - cured epoxy resins are used to manufacture high - strength composite materials. These composites are used in aerospace, automotive, and sports equipment applications. For example, in aerospace, they can be used to make lightweight and strong structural components.
It is also used in the electronics industry for encapsulation and potting applications. The cured epoxy resins can provide good electrical insulation and protection for electronic components against moisture, dust, and mechanical stress.
When using the epoxy curing agent PACM, it is important to follow the correct mixing ratio and process. First, determine the appropriate ratio of PACM to the epoxy resin according to the product specifications. Usually, the ratio is based on the equivalent weight of the amine in PACM and the epoxy groups in the resin.
Mix PACM and the epoxy resin thoroughly using a mechanical mixer or a stirrer. Make sure to mix for a sufficient time to ensure a homogeneous mixture. The mixing process should be carried out in a well - ventilated area to avoid inhalation of any vapors.
After mixing, the mixture should be used within the pot life, which is the time during which the mixture remains workable. The pot life depends on factors such as the temperature, the amount of the mixture, and the specific epoxy resin and PACM used. Once the mixture is applied, it will start to cure. The curing time can be accelerated by increasing the temperature, but it should be within the recommended temperature range.
Case 1: Offshore Platform Coating
A company was looking for a high - performance coating solution for an offshore platform. They used an epoxy resin system cured with PACM. The coating was applied to the steel structure of the platform. After application, the coating showed excellent adhesion to the steel surface. During a long - term exposure test in the harsh offshore environment, which included high humidity, salt spray, and strong winds, the coating maintained its integrity. It effectively prevented corrosion of the steel structure, reducing maintenance costs and extending the service life of the platform.
Case 2: Aerospace Composite Component
In an aerospace project, engineers needed to manufacture a lightweight and high - strength composite component. They used an epoxy resin cured with PACM to impregnate carbon fiber fabrics. The resulting composite had a high strength - to - weight ratio. It passed all the strict aerospace standards for mechanical properties, such as tensile strength and fatigue resistance. The component was successfully integrated into the aircraft, contributing to the overall performance and safety of the aircraft.
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Este é o William, Diretor Executivo da Zhishang Chemical Co., Ltd.
Bem-vindo a visitar a nossa fábrica. Como o principal fabricante de produtos químicos, temos nos esforçado para a qualidade do produto, inovação, P & D e atendimento ao cliente nos últimos 7 anos. Nos próximos 10 anos ou mais, estamos empenhados em nos tornarmos o fornecedor de produtos químicos mais confiável do mundo, criando uma marca internacional bem conhecida e de confiança dos clientes, com o espírito de "um metro de largura, dez mil metros de profundidade", continuamos a nos concentrar na pesquisa e desenvolvimento de produtos, continuamos a nos concentrar no atendimento ao cliente, continuamos a melhorar o sistema de serviço da cadeia de suprimentos, para criar uma equipe profissional de serviços de fornecimento de produtos químicos, para alcançar uma cooperação de longo prazo ganha-ganha. Por favor, não hesite em contactar-nos se tiver alguma dúvida.
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