What is a lime binder?
What is a lime binder?
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Abe
Lime binder is used in some materials to formulate hempcrete. They blend it with hemp hurds to make hempcrete, which is not an original insulation material. It is steam penetrable and contains NO Portland bond, and hempcrete is the green compound tool used in construction because of the sustainable attributes of lime with thermal features of hemp hurds.
wordsmith
Lime binder is a hempcrete binder. It is specially formulated to mix with industrial hemp hurds to produce a hempcrete. Lime binder is a vapor absorbent and contains no trace of cement. Hempcrete is an insulating material that is non-structural. It is ultimately eco-friendly because it combines the thermal properties of hemp hurds and sustainability if lime.
Melody
A lime binder is mixed with industrial hemp hurds. That’s how you make hempcrete. Hempcrete is a green building material combining sustainable lime and renewable Hemp Hurd. The combination is used as insulation for timber frame house construction. Once it is cured, a plaster system is applied over the Hemp/lime wall to finish off the project.
wavess
Why is a lime binder the best binder to use when making Hempcrete?
Cleverclogs
Typically, there is a 2-parts lime binder and 1-part hemp that are combined to form hempcrete. Although a lime binder is a powder, it is often used with cement to do its job. Also, because it is a mined and processed substance, lime has a more significant environmental footprint than many would like.
Right now, there are lots of ongoing tests to try and find a substitute to use in place of lime, with one viable option being china clay powder, as this will remove the need to use cement altogether.
amanda.tolar
So is it a powder, then?
Moogdummy
Yes the lime binder is a powder. You mix a little bit of water (not nearly as much as you need for concrete) and you let it sit to dry.