James Hardie Technology Limited

Xiangyuan Liu

Basil Taha Naji

Xiangdong Feng

Kalynne H Paradis

Thomas Patrick Mueller

Chongjun Jiang

Shannon Marie Labernik

Amitabha Kumar

Liyan Ma

Meiling Gong

Chinmay Avinash Gowardhan

Michael John Julius

David John Sharman

Weiling Peng

Huagang Zhang

Thinh Pham

Yongjun Chen

Brian McQuerrey

Lijun Mao

Jongmin Keum

Joe Zhou Peng

Maree Anast

Padmaja Parakala

Leonard Silva

Farshad J Motamedi

Sarah Grundy

Kelvin Lau

Yan Li

Steven Terzian

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

Disclosed herein is a fiber reinforced cementitious composition comprising a cementitious binder and at least one synthetic inorganic reinforcing fiber type, wherein the synthetic inorganic reinforcing fiber type comprises at least one of a man-made mineral fiber type such as basalt fibers, an aluminosilicate wool fiber type or an alkaline earth silicate wool fiber type.

Fiber reinforced cementitious composition

Disclosed herein are low density fiber cement articles, such as fiber cement building panels and sheets, comprised of multiple overlaying fiber cement substrate layers having small and uniform entrained air pockets and low density fillers distributed throughout. The combination of entrained air pockets and low density fillers provide a low density fiber cement matrix with physical and mechanical properties similar to comparable low density fiber cement matrix without entrained air pockets.

Aerated fiber cement building products and methods of making the same

Cementitious formulations and their products with enhanced reactivity are provided. Formulations in certain embodiments may include at least one calcium source, a reactant and a filler in a hydrated environment, wherein the reactant, in one form, is crystalline silica that has been modified for reactivity. Enhancement of a reactant may include one or more modifications to its content, grind and/or the cement to silica ratio, as well as addition of one or more additives in the formulation, additives in the form of at least one alumina source, defoamer, catalyst and/or a clay.

Cementitious formulations and products

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Rancho Cucamonga, CA, United States of America

Xiangyuan Liu