James Hardie Technology Limited

Yan Li

Weiling Peng

Thinh Pham

Huagang Zhang

Yongjun Chen

Thomas Patrick Mueller

Xiangyuan Liu

Jongmin Keum

Lijun Mao

Farshad J Motamedi

A fiber cement material formulation comprising a cementitious binder, a siliceous material, fiber, alumina trihydrate and a bifunctional low density additive wherein the bifunctional low density additive comprises any one or more of diatomaceous earth, recycled autoclave fiber cement dust or cellulose dust. The fiber cement material formulation optionally further comprises a secondary low density additive which may be perlite. In some embodiments, a fiber cement article manufactured from the fiber cement material formulation comprises a density of approximately 1.1 g/cmor below.

Fiber cement material formulations and compositions thereof

Growing community of inventors

Rancho Cucamonga, CA, United States of America

Yan Li