drew™ and drewplus™ powder defoamers
chemistry: specialty additives
SDS Link >Drew™ powder and drewplus™ liquid defoamers are polyols and fatty acid ester foam control agents for use in ready-to use and dry-mix formulations.
Drew™ powder defoamers are especially effective for use in building applications such as self-levelling compounds and water-proofing membranes, partly also in highly polymer modified cementitious adhesives whereas drewplus™ liquid defoamers find excellent applicability in ready-to-use building materials.
Drew™ and drewplus™ defoamers are typically effective at dosage levels between 0.1-1.0 percent by weight on total formulation.
A flowable product, drew powder defoamer can be easily mixed into dry blend formulations, which are then dispersed in water before application. The addition of drew™ powder defoamers results in low foaming solutions or pastes with low entrained air content. In some dry system formulations, drew powder defoamer reduces clumping.
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