flexible external putty powder

flexible external putty powder is a new material, existing building puuty, high strength, light weight, fire-resistant and so on. Has improved the speed setting plaster, large and easy to paint adhesion and other shortcomings. Gypsum high strength, easy construction no cracking, no void, can not afford to powder advantages, but also cost savings.It's can't be mix with others,just need to add appropriatethen mixed around. Strictly avoid raining and sunlight.