1. What is the use life of the product?
A: The use life is 15 years, and a retest will be needed after every 3-5 years.2. How to fill the cylinder?
A: For the carbon fiber cylinders, we have filling stations to connect the compressor, in this way, the cylinder can be filled. If
you need the filling station, you can purchase it yourself or you may also contact us.3. What is the test pressure?
A: Under GB 28053, the test pressure we normally mean two type of tests. One is called hydraulic test pressure, for carbon fiber
cylinder, it could reach to 50 Mpa. And the other one is called minimum burst pressure, for carbon fiber cylinder, it could reach
to 102 Mpa.4. Why it is expensive than aluminum cylinder?
A: Carbon fiber cylinder is made of aluminum alloy liner, wrapped with carbon fiber and glass fiber and produced with advanced and
complicated technology, which makes it lighter and safer. The higher working pressure enable it to fill in more gases. That is why
it is expensive than aluminum cylinder and still becoming more and more popular in these years.