Cement based self-leveling compound, KDO425

Cement based self-leveling compound, KDO425
Cement Self-leveling compound KDO 425: It is a kind of dry-mixed powdery
material includes special cement, redispersible polymer powder, cellulose
ethers and other active ingredient, is a high-tech environment -friendly
product with advanced technology and formula refined. With fast hardening,
people can walk on it after 4-5 hours, and 24 hours later can do surface
construction, it’s more convenient for workers to operate than traditional
artificial leveling. 
Items Index
Flowability (mm) Initial flowability ≥135
20min flowability ≥135
Tensile adhesive strength (Mpa) ≥1.0
Wear resistance (g) ≤0.50
Dimensional change rate (%) -0.15~+0.15
24h compressive strength (Mpa) ≥7.7
24h anti-bending strength (Mpa) ≥2.4
28 days compressive strength (Mpa) ≥20.4
28 days anti-bending strength (Mpa) ≥4.3
Construction method
The substrate must be clean, dry firm and no any residue, then use KDO special
interface agent to paint the base plane.
After about 2-6 hours, mixed with water before construction, be sure to
strictly self-leveling cement: water 25:6 ~ 6.5kg mixed. First 6 ~ 6.5kg of
water into the bucket, then pour the product side down while stirring until a
homogeneous mixture, lay up 1 minute, then stir once again briefly.
Pour the mixture into the construction area, a zigzag rake to move to a desired
uniform thickness (thickness constructability 1-4mm).

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