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GOODGEL Bentonite Mortar Grade is a kind of Rheological Additive based on Phyllosilicate. It supply excellent thixotropy for mortars.

Physical Specification
GOODGEL Grade MA21 MA28 MA28T MA28A
Appearance light gray powder light gray powder light gray powder light gray powder
Whiteness ≥60% ≥70% ≥70% ≥70%
Particle Size ≤20um  \ ≥90% \ \
Appearance viscosity (5%, mPa•s) ≥800  ≥300 ≥200 ≥200
PH (1%) 8.5～10.5 8.5～10.5 8.5～10.5 8.5～10.5
Gravity (g/cm3) 2.6 2.6 2.3~2.5 2.3~2.5
Bulk Density (g/cm3) 0.4~0.5 0.5～0.6 0.4~0.5 0.4~0.5
Water Content ≤12% ≤12% ≤10% ≤10%
Sieve Residue
(wet, 325mesh) ≤1% ≤1% ≤0.5% ≤0.5%
Thixotropic value (5%) ≥6 ≥7 ≥6 ≥6
Stability of Water Dispersion (2%, 48H) Homogeneous, Stable Homogeneous, Stable Homogeneous, Stable Homogeneous, Stable
Dosage 0.3～1% 0.05～1% 0.05～1% 0.05～1%

S ested applications: Cement & gypsum based drymixed mortars, skim coat or pasty system All kinds of cement, gypsum lime based mortars, grouts, masonry mortar, autoclaved aerated concrete (ACC) , Skim coat under medium ph, gypsum based mortars. pump or machinery mortar Skim coat under high ph, gypsum based mortars. pump or machinery mortar

Properties / Benefits
GOODGEL MAS MORTAR GRADE provides the following benefits:
● Supply excellent lubricity
● Increase pumpability of wet mortar
● Improve workability and open time
● Control bleeding. Suspensions that tend to settle are easily redispersed.

Application
GOODGEL MAS MORTAR GRADE may be used in a variety of cement based, gypsum based and lime based building drymixed mortars as follows:
● Ceramic tile adhesive & tile grouts
● Skim coat with medium pH or high pH
● All pasty mortar system 
● All kinds grouts, masonry mortar
● Autoclaved aerated concrete (ACC)
● Gypsum based mortars
● Pump or machinery mortar

Dosage and Handling
GOODGEL MAS MORTAR GRADE is added to other powdery components and mix to get a homogenous formulation. It can be also made preparation of dispersions before use.
The dosage may vary from 0.05%~1% of the total dry material by weight. The actual required dosage should be evaluated in suitable tests prior to final application.

Storage
GOODGEL MAS MORTAR GRADE may be stored in sealed bags under dry cool place for at least 12 month. Opened packages should be sealed again as soon as possible. Not exposure to water, sunlight, especially during transportation.

Package
25kg/bag: multiply paper or plastic woven bag with polyethylene interlayer.