Refiner Tackles TDR21 for Fiber Cement Board Production

The purpose of refining in paper manufacture is to soften the fibers so that they will lie together and bond with one another by hydrogen bonding to form a compact network that is the sheet of paper.

Refining is performed for similar reasons in the production of fibre cement. Refining the fibers make them bond more readily with the cement matrix and thereby adequately reinforce it. However, in addition refined fibers are needed to provide a filter mat which is a crucial part of the manufacturing process.

There are two basic types of fiber cement -

• autoclave cured fibre cement where the cellulose fibres provide all of the reinforcing and filtration in the production process

• air cured fibre cement where the cellulose fibres provide only the filtration and synthetic fibres provide the majority of the strength.

Huatao refiner tackles has developed various different patterns for fiber cement refining process.

Technical Parameters

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