Premium Precast Concrete with Superior Moisture Protection Features

Product Description

Specification

Initial Flowability mm	≥ 150
Flowability after 20 min mm	≥ 145
Setting Time Initial Setting	≥ 70 min
Setting Time Final Setting	≤ 4 h
24 h Compressive Strength MPa	≥ 12.0
24 h Flexural Compressive Strength MPa	≥ 4.0
28 d Compressive Strength MPa	≥ 25.0
28 d Flexural Strength MPa	≥ 6.0
Tensile Adhesive Strength MPa	≥ 1.2
Shrinkage Rate 28d percent	≤ 0.03

Product Description

Languan K30

LANGUAN  K30 is high  performance strength gypsum based self leveling mortar premixed with alpha hemihydrate gypsum as main binder together with well selected graded aggregates and high performance polymer additives It complies with GB T 28627 standard and features high flow capacity for automatic levelling micro expansion low shrinkage fast curing speed crack resistance and environmental friendly performance Its initial setting time is no less than 70 minutes and final setting time is no more than 4 hours The 28 day compressive strength reaches 25.0 MPa and flexural strength reaches 6.0 MPa with 28 day shrinkage rate as low as 0.03 percent This product applies to indoor floor levelling for residential commercial office spaces and underfloor heating systems it can provide flat and stable base for various finishing materials such as wooden floor PVC and ceramic tiles Before construction the substrate should be solid clean and coated with matching primer Mix with water strictly according to recommended ratio and consume slurry promptly after mixing Adequate curing is required upon project completion all field operations shall follow official product technical specifications.