Foaming agents are substances that make the target material pores. It can be divided into three categories: chemical foaming agents, physical foaming agents and surfactants. Chemical foaming agents are compounds that can release gases such a…
W-Ni - Cu alloy is used in the production of Tungsten alloy balls. It is widely utilized in the fields of aviation, oil drilling, and aerospace. High Density Tungsten Alloy Metal Ball, 18g/cm3: Diameter: 1.0mm-150.0mm Surface: sintered or fo...…
Pediatric. Although there is no specific information comparing the use of hydroxypropyl methylcellulose in children with use in other age groups, this medicine is not expected to cause different side effects or problems in children than in adults. Th...…
0086-0379-64280201
brad@ihpa.net
skype
whatsapp