Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 7798-1998
Scope
1. This standard applies to nuclear grade boron carbide powder for various purposes. Since boron carbide powder for each application has its own requirements for impurities and boron content, this standard has three powder specifications with different chemical compositions. When adopting this standard, the specifications of the powder must be specified. There are three types of powders commonly used: 1.1 Category 1: those used in the core of nuclear reactors in the form of particles. 1.2 Category 2: Yes