Science and technology

Hot-dip continuous coating of steel strip, post-treatment passivation and coating thickness test procedures are cited from GB/T33430 national standard for metal zinc-aluminum-magnesium alloy coating. Target M10-M16 bolt base material for distributed and coastal PV brackets, distinguish control parameters of two coating thicknesses: 85μm and 100μm. Summarize rectification plans for three mass produ

This article compares PV dedicated fasteners with ordinary screws, explains differences in materials, structural design and surface technology, guiding material selection for PV projects and extending service life of power stations.

Analyze hydrogen embrittlement fracture mechanism of galvanized 10.9/12.9 grade PV bolts, grade hydrogen risk, provide on-site rapid detection method, standardize baking dehydrogenation construction process for photovoltaic construction sites.

Establish coating life and maintenance cost table for four types of photovoltaic power stations, define bolt surface treatment selection standard, formulate construction protection rules for outdoor photovoltaic fastener installation.

Compare four anti-corrosion surface crafts of solar fasteners for different photovoltaic working environments.

Aiming at outdoor solar power station environments such as sunshine, rain, salt fog and acid-base corrosion, this article explains the aging mechanism of fastener coatings, and provides long-term anti-corrosion solutions from selection, construction and maintenance to ensure 25-year stable operation.

Collect salt spray test data of hot-dip galvanized, mechanical galvanized, Dacromet and zinc-nickel coatings, guide part selection for inland, industrial and coastal photovoltaic projects.

Sort out the usage standard, factory inspection items, on-site installation rules and acceptance key points of PV fasteners, help PV projects control product quality and construction standards.

Explain anti-rust treatment technology of PV fasteners and outdoor installation rules to enhance long-term stability of solar bracket modules.

PV mounting fastener weather resistance test report covering salt spray, UV, temperature cycling, damp heat aging tests and technical advantages of Jial PVS series PV fasteners.