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2020-04-23
what is polyurethane sandwich panel
Polyurethane edge-sealed rock wool sandwich board is the best internationally recognized building envelope fire prevention and insulation board. It has low thermal conductivity, good endurance, high bending strength, no water absorption, no decay, no moth bite, good flame retardancy and wide temperature resistance range.
2023-04-18
What Is Manual Bending Machine?
A manual bending machine is a tool used to bend metal sheets into different shapes, angles, and curves. This machine operates manually and does not require electricity or hydraulic power.
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