Grey Portland Cement

Main Specifications

Index	Product performance			GB/T2015-2017
strength	1 day	3 day	28day	3day	28day
Flexural strength,Mpa	5.0	7.3	9.8	4.0	7.0
Compressive strength,Mpa	25.0	42.5	64.55	22.0	52.5
Fineness,80um,%	≤0.2%(surface area 4200cm²/g)			<10%
Setting time (Initial setting)	150 minutes			>45minutes
Setting time (Final set)	190 minutes			<10hours
whiteness	≥90.0			<87

 

2. Product features:

Grade 42.5 white 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.

 

2. Product features:

Grade 52.5 white 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.

 

3. Storage:

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.

 

4. Main purpose:

Grade 42.5 white cement is especially suitable for special occasions such as ultra high performance concrete (UHPC), clear water art concrete, decorative concrete, and GRC components.

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

Grade 42.5 white cement has high light reflection performance, so that the manufactured curbs, road signs, and road central dividers have higher traffic safety performance.

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

 

5. Packing specification:

1.25kg, 40kg, 50kg paper-plastic composite bag.

2. 1200kg ton bag.

3. Mother and son bag