Courier bags are made of resin as raw material, and through different processes, they are made into different kinds of bags with different applications
Chemical protective clothing, also known as chemical protective clothing, is protective clothing worn to protect oneself from chemical hazards or corrosive substances.
The hot-tack tensile tester is suitable for flexible thermoplastics and their composite materials, and the hot-tack performance test under different heat-sealing conditions within a specific time interval from the end of heat-sealing to the heat-sealed part before cooling to ambient temperature.
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the most competitive laboratory testing scheme