White Portland Cement

White Portland Cement 42.5

Application

42.5 White Portland cement is commonly used in artificial marble, colorful pavement bricks, permeable bricks, cultural stones, terrazzo, wear-resistant floors, etc.

42.5 White Portland cement is suitable for special occasions such as precast concrete, fair-faced concrete, decorative concrete, and GRC components.

42.5 White Portland cement has high light reflection performance, so that the manufactured curbstones, road signs, and road central dividers have higher traffic safety performance.

42.5 White Portland cement is used in dry powder mortar products such as putty powder, caulking agent, and tile glue.

Category:
White Portland Cement

CEM I 52.5 N

Suitable for precast products and other applications which require premium high strength.
CEM I 52.5 R
Used in decorative concrete products and tiles and other applications requiring extra high strengths and swift setting time .
CEM II/B-LL 42.5 N
With an approx. 89% whiteness level and high degree of workability, commonly used in decorative concrete products and tiles. This cement is also suitable for all other applications where the very high strength 52.5 cement is not required.
CLINKER
Semi finished product that is used to produce the best quality of white cement.

Manufactured from some of the earth’s most common minerals – limestone and shalePortland cement is combined with stone, sand and water to create a chemical reaction that becomes concrete.

The limestone and shale are finely ground and moved through a kiln, where they are burned at 2800 degrees Fahrenheit to form a new material called clinker. A small amount of gypsum is blended with the clinker and then ground again into a fine powder to form cement.

Modern Portland cement can trace its roots to 1756 when a British civil engineer experimented with various limestones and additives to construct a lighthouse. The name “Portland” comes from the cement’s similarity to Portland stone, which is quarried in England on the Isle of Portland.

Monarch has been creating high-quality Portland cement at our Humboldt plant since it opened, and all of our Portland cements conform to ASTM C-150.

Type I – Otherwise known as normal Portland cement, Type I is a common-purpose cement for general construction uses, including pavements, concrete buildings, floors, precast concrete products and other uses.

Type I/II – Our Type I/II Portland cement meets the requirements of both Type I and Type II, including strength and composition requirements, and can be used in projects where either type is required. More cost-effective than storing both types, Type I/II can be used on most concrete construction projects, including those that expose the concrete to harsh environmental conditions.

Type III – Ground finer with a quicker reaction time than Type I, concrete made with Type III has a high early strength rate. It has a higher 28-day strength than Type I, achieving approximately 70 percent of that strength after three days.

Type V – Type V cement can be utilized when high sulfate resistance is required, such as in structures exposed to soils or ground waters with a high sulfate content. Type V cement generally develops strength at a slower rate than Type I and has a lower heat of hydration.

Description of white portland cement 42.5

White Portland cement refers to a hydraulic cementitious material made from finely ground white Portland cement clinker with low iron oxide content, appropriate amount of gypsum and mixed materials (limestone and kiln dust), referred to as White Portland cement,

P.W42.5 grade White Portland cement is an early-strength, non-radioactive, green and environmentally friendly product. The product has high whiteness, high strength, low alkalinity, good atmospheric stability, and bright and bright color.

Parameters of white portland cement 42.5

Item

Actual test value

Strength

1 day

3 days

28 days

Flexural strength, Mpa

4.0

5.0

8.0

Compressive strength, Mpa

16.0

32.0

46.0

Fineness, 80um,%

≤0.4%

Initial setting time, min

150

Final setting time, min

230

Whiteness

≥89.0

 

Storage of white portland cement 42.5

Store in a dry, ventilated and cool place, strictly prevent moisture, isolate the cement from the ground with a pallet, and store the product for 3 months.

 

Packing specification of white portland cement 42.5

25kg, 40kg, 50kg paper-plastic composite bag.

1200kg ton bag.

Specifications
Characteristics
Unit
Specification / CEM I/ 42.5N
Result
Test methods
Compressive strength
Mpa
EN 197-1
After 2 days
≥ 10
21.8
After 7 days
34.8
After 28 days
≥ 52.5
47.8
Setting time:
EN 196-1
– Initial time
Min
≥ 45
120
– Final time
≤ 420
170
SiO2
%
21.44
EN 196-3
Al2O3
%
5.08
EN 196-4
Fe2O3
%
3.06
EN 196-5
CaO
%
58.58
EN 196-6
MgO
%
≤ 5
2.46
EN 196-7
SO3
%
≤ 5≤ 3.5
2.03
EN 196-2
Loss on Ignition (LOI)
%
≤ 5
4.75
Insoluble Residue (IR)
%
≤ 5
2.93
Cl- content
%
≤ 0.1
0.02