The product uses high-purity E-glass fiber and food-grade general-purpose epoxy resin, with uniform infiltration and no fiber agglomeration. The volatile content is controlled within 1.0%, delamination defects after molding. It has excellent fatigue resistance, can withstand repeated stress cycles during the operation of wind turbine blades, and has a service life of more than 20 years. It is suitable for automated laying machines and hot pressing molding processes, and can achieve large-scale batch production with a single batch capacity of more than 1000 square meters. It has passed the ISO 9001 quality management system certification and complies with domestic wind power material standards such as GB/T 30971, providing stable and reliable composite raw materials for wind turbine blade manufacturers.
After curing, the tensile strength is 350MPa and the tensile modulus is 28GPa. The thickness tolerance is ±0.02mm, with a standard width of 1200mm and custom width up to 1500mm available. The storage condition is 5-25℃ cool and dry environment, with a valid storage period of 6 months. The curing process parameters are: pressurization pressure 0.3-0.5MPa, curing temperature 80-120℃, holding time 30-60min. It has excellent weather resistance, can withstand ultraviolet radiation, rain erosion and high and low temperature cycles, meeting the requirements of long-term outdoor use for wind power.
It is mainly used for core components such as the main beam, skin and web of megawatt wind turbine blades, and can also be used for wind power tower附属 structures and new energy energy storage boxes. It provides lightweight and high-strength composite material solutions for the wind power industry, helping the continuous growth of global wind power installed capacity.
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