Grey Ordinary Portland Cement from China

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Product Description:

Specification of Cement

No


Detail


result

I

Chemical test

1

Loss on Ignition

%

2.0 ÷ 4.0

2

Insoluble Residue

%

0.3 ÷ 2.5

3

SiO2

%

19.0 ÷ 22.0

4

Al2O3

%

4.0 ÷ 6.0

5

Fe2O3

%

2.5 ÷ 3.5

6

CaO

%

61.0 ÷ 67.0

7

MgO

%

1.0÷ 4.0

8

SO3

%

1.6÷ 2.2

9

Free lime

%

0.3 ÷ 1.5

10

Toltal alkali, (Max)

%

0.75

11

(C3S + C2S), (Min)

%

54.0

12

C3A, (Max)

%

2.5 ÷ 3.5

14

C4AF, (Max)

%

7 ÷ 11

15

False Set, (Min)

%

50

16

Chloride, (Min)

%

0.1

II

Physiscal test

9 ÷ 11

1

Fineness Blaine, ( Min)

cm2/g

3400

2

Soundness: Lecateller test, ( Max)

mm

5

3

Air content or mortar

%

5 ÷ 10

4

Autoclave Expansion

0.03 ¸ 0.20

5

Setting time, (Vicat test)

Initial,

Final,

min

110 ¸ 160

200 ÷ 300

6

Compressive Strength

3 days, (Min)

7 days, (Min)

28 days, (Min)

psi

2320

3480

5220



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Q:is there anything wrong with building a pond out of cement?
One thought comes to mind when thinking of building a cement pond and not using a liner, earthquake fault zones. I live in the New Madrid Fault zone area and though we haven't had a major earthquake, in the years I've lived in Missouri, have noticed many cracks in the cement of the driveway, in the soil and such. Would be such a shame to have an established pond and then get a leak. The pond liner is your best bet overall, and have it installed properly. I own an independent pet shop and we recommend a small amount of aquarium salt be added to pond water. Salt is damaging to concrete over time. Make sure your pond set up includes a UV sterilizer to keep away green water.
Q:Units which are paid by the business tax which pay VAT
First, all in China to sell goods or provide processing, repair and repair services, as well as the import of goods units and individuals, to pay VAT
Q:Is there a solvent for plumbers cement?
if the reason ur changing the valve is because it's not working, then don't change it, replace the stem only, behind handle loosen nut, turn stem counter clockwise till it comes out, do same w/new valve, put new stem in old valve, just make sure you remove any remains of old washer. I do this all the time, it's saves time and a lot of trouble and the outcome is the same. As far as cement goes, it maybe rectorseal #5 oilbase pipe thread compound since the valve you showed has compression connections on in and out sides.
Q:Was cement invented?
Good guys (great guys actually)
Q:Can I make white bricks by mixing calcined Kaolin with Portland cement?
Q:cement, concrete or other please help......?
Cement is OK but if you want a good job at not a great cost, use fire brick to line the surface of the burning area.
Q:How does one make Cement boots ?
Stick your feet in some wet cement. Then have someone drill into the cement, freeing two large blocks. Now you have your very own pair of custom cement boots! Just don't go near any ledges or large pools of water.
Q:Building materials sales company operating license business scope how to write
Help me sell a kind of building materials how
Q:what is r.h cement & what is the grade of it?
For Rapid Hardening Cement ,grading is similar to O.P. cement(ordinary Portland cement) is M15,M20 is same. only initial final setting time is less.Strength of 28 days is considered for testing /Mix Designing.
Q:New building materials should include wall and clothing diatom mud bar It is understood that the shellfish wall clothing environmental health fashion how to see
This kind of thing can be resolved through legal means, he has been illegal

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