If you decorate a house for the elderly, what kind of board do you choose? I want something healthy.

F4 F4 ★★★★ Plate adopts stricter formaldehyde limit standard than E0, which is suitable for rooms and cloakrooms with small space, many decoration materials and poor air convection, as well as furniture for susceptible people such as the elderly, children and pregnant women. In addition, F F★★★ environmental protection standard testing pays more attention to the cumulative effect of multiple products, which can effectively reduce the risk of exceeding the standard. At present, the highest environmental protection level in the world is the F★★★ standard, which is enforced only by Japan and Finland.