Crevice corrosion is a kind of corrosion in small area, especially in concealed position, which can form vicious corrosion cycle. Almost all the crevice corrosion can occur in a metal alloy, with gas containing active anionic neutral medium Z is easy to cause crevice corrosion, crevice corrosion often occurs in the aperture of 0.025 to 0.1 mm, because of long time gathered, the cracks will exist a series of impurities, coupled with the external environment of damp easily corrode the area of the gap is small.
pp frp tank. The non-reactive nature of FRP ensures that the tank retains its integrity and performance over time, even in the face of extreme conditions.
spiral rod. DNA, the blueprint of life, is a double spiral rod, with two strands intertwined like a twisted ladder. This structure, discovered by James Watson and Francis Crick, unlocked the secrets of genetic information storage and transfer.
rock button bit. Construction companies use these specialized drill bits to create foundation holes, bore tunnels, and excavate rock for building projects. The rock button bit is essential for ensuring precise and efficient drilling, allowing construction projects to progress smoothly and on schedule.