Product Data Sheet Show all documents

Sikacrete®-752 3D SG

1-PART MICRO-CONCRETE FOR 3D PRINTING

Sikacrete®-752 3D SG is a 1-part micro-concrete for use with 3D robot or gantry printers. Suitable for use in hot and tropical climatic conditions.

Fast absorbing
▪ Suitable for continuous and static mixers  
1-part
▪ Mix with water
▪ Adjustable consistency
Low viscosity
▪ For easy pumping
Thixotropic consistency
▪ Maintains shape after extrusion
▪ Good buildability
Fast setting
▪ For building up layers
▪ Print line stability and accuracy
▪ Printing at angles
▪ Moving objects sooner
Low shrinkage
▪ Good crack resistance
Optimised grading
▪ For smooth appearance
▪ Reduced equipment wear
▪ Good durability
Watertight / Low water penetration
Product Data Sheet Show all documents

Usage

For concrete printing of 3D objects and components for:
▪ Buildings
▪ Civil engineering structures
▪ Molds and forms
▪ Art, craft and visual displays
▪ Interior and exterior use

Advantages

Fast absorbing
▪ Suitable for continuous and static mixers  
1-part
▪ Mix with water
▪ Adjustable consistency
Low viscosity
▪ For easy pumping
Thixotropic consistency
▪ Maintains shape after extrusion
▪ Good buildability
Fast setting
▪ For building up layers
▪ Print line stability and accuracy
▪ Printing at angles
▪ Moving objects sooner
Low shrinkage
▪ Good crack resistance
Optimised grading
▪ For smooth appearance
▪ Reduced equipment wear
▪ Good durability
Watertight / Low water penetration

Packaging

25 kg bag

Colour

White powder

Product Details

Product Information

Chemical Base

Portland cement, selected aggregates and additives

Shelf Life

9 months minimum from date of production

Storage Conditions

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to packaging.

Maximum Grain Size

~2 mm

 
Technical Information

Compressive Strength

+25 °C1 day7 days28 days
W/P = 0.16
(4.0 L water per 25 kg bag)		~20 N/mm2~30 N/mm2~40 N/mm2

Tensile Strength in Flexure

~7 N/mm2 (28 d / 25 °C)

(EN 196-1)

Service Temperature

+100 °C max

Application

Application Information

Mixing Ratio

15 – 17% water (by weight of powder)

Layer Thickness

~10 – 50 mm (subject to trials)

Ambient Air Temperature

+5 °C min. / +45 °C max.
Application steps

MIXING

Static Mixers (Small volume quantities) Mix with an electric single or double paddle mixer (<500 rpm) or using a forced action mixer capable of
mixing 2 to 3 bags at a time. Add the recommended amount of clean water in a suitable mixing container. Stir slowly, add the powder to the water and mix thoroughly for a minimum of 3 minutes. Add more water during the mixing time if necessary to the maximum specified amount to achieve asmooth consistent mix. Stir gently if required.


Continuous Mixer (High volume quantities)
The mixing ratio shall be determined using a trial run on the respective continuous mixer that is used, in order to determine the equivalent flowrate/m³ on the equipment.

APPLICATION

Pumping and printing is usually a continuous process. The application specifics of the extrusion and printing speed must be optimised between the mixer, pump, pump line length and printer head.

CLEANING OF TOOLS

Clean all tools and application equipment with water immediately after use. Hardened material can only be removed mechanically.

 

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