packaging container products (Chemical and chemical containers, pesticide industry containers, consumer g0ods industry packaging),bumps in the transport window process lead to the following problems in the container:
1. A large amount of gas cannot be exchanged in a sealed container with active ingredients;
2. The turbulence in the process of transporting the container leads to the accelerated gas collision change in the container,3. The change of daily temperature and regional temperature leads to the expansion and contraction of gas in the container;4. Altitude changes cause pressure changes in the sealed container.

SDA Shangda waterproof breathable valve waterproof breathable packaging container to provide protection solutions.
1, can help the container to block external moisture, dust and reaction particles, keep the container dry and liquid purity;
2,splash anti-corrosion,effectively block the container containing liquid or particles, to prevent the loss caused by volatilization or
reaction;3.pressure relief ventilation,release the container due to temperature, pressure and liquid surge generated by the intemal pressureto avoid the container expansion and collapse;
4. Fast ventilation and high-flux ventlation can solve the problem of internal collapse of the container due to sudden increase of
extemnal atmospheric pressure;
5. Solve the problems of overflow, cracking and intermnal collapse, and improve the safety of sealed containers.
SDA Shangda waterproof breathable valve product features:
1. block moisture, dust, particles. 2. Pressure relief high flux ventilation.3. Anti-splash,anti-corrosion and anti-volatilization. 4.Quick ventilation to improve sealing safety;
5. small size and easy installation. 6. Quality assurance, low production cost.
SDA Shangda Waterproof Ventilating Valve Product Information: