PORTLAND CEMENT P.O 42.5

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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

Q:Our pool liner ripped!! our pool is custom 11ft deep. we drained the pool we are removing the water from behind the liner. We are trying desperatly to make this liner last one more summer! Of course it ripped down at the 11 ft area. but the rip only runs along the top edge of the lip that snaps into the metal ring around the pool. I came up with the idea of using rubber cement to cement the ripped liner to the steel wall. Is this possible?? we just can't shell out 3,700.00 for a liner right now and its HOT the kids are driving us insane to try something ANYTHING does anyone have anybetter ideas?? we are open to any ideas! thanks: They make vinyl patches that could well work in this case. Have you tried a pool store? As I under stand it you would just put the patch over the rip using heat or glue or both you get a pretty good patch. By that I mean, if the rest of the liner is in good shape you could get years of use from it.

Q:I was biking and i fell for my bike we went to the emergency then they put a cast on me after a day i have my surgery they put screw on it because my fibula was displace. after 2 weeks i was so bored cause i cant do anything i try to step on it and it doesnt hurt anymore. next week they will put a cement on me and they will remove it after 4 weeks.: What cement? Just tell your doctor that you also have a medical degree and can decide for yourself what kind of treatment you need and for how long. Be sure to tell the doctor to his face, and NOT in writing. Because if you write it down, he will KNOW, for sure that you can't write beyond a third grade level and probably DON'T have a medical degree.

Q:I'm really into polymer clay charms making. I want to make flexible molds, but i don't want to spend $$ on buying the mold putty and stuff. I tried silicone once but i don't like it. Im wondering if you make molds using rubber cement, would it work?: My boobs but wouldn't mind a clay mold of his bits also :)

Q:I just want to ask this society now this year ridicule tank Ken Intuit old Gui tame fucking head of the government is what the background and way? Generally engage in building materials, cement construction businessmen are what people contact the circle ah? Consult by the social experience of uncle ah aunt ah ~ more: Well, most of the logistics department wish you good luck ah

Q:We are painting our living room floor. My husband wanted me to buy a BEHR cement paint stain at Home Depot. However, they didn't have the colors we wanted available in that paint, so they told me that the BEHR Porch and Floor paint was exactly the same (the stain just has the option of semi-translucent colors, whereas the other does not) and they had a better variety of colors. I trusted the people, but have I made a big mistake, what is the difference? I'm nervous my husband will be very upset when he gets home, since it is non-refundable.: well, the paint is exactly that, paint. when you put it on it will cover the cement totally. what you could do is thin it out to make it more like a stain, it is probably oil based but check it out first and what ever they tell you to clean it up with is what you thin it out with, make sure you test a small inconspicuous area first to see how much thinning it needs to get the right finish that you want

Q:and what is their #Basically, in out rental house, it looks like the guy dumped a bucket of motor oil on the garage floor and then used the oil to paint a section of the floor. And his car dripped everywhere on the other half of the garage. So now the while garage has drips of oil everywhere and looks kind of like the black parts of this freeway. And to make matters worse, it is totally soaked in to the cement.: I used degreaser on mine I found it at the automotive store. and than I hosed it down with a power washer.

Q:what is the volume of 1 bag of cement?: We all just blab, blab blab all around the question: what is the VOLUME of a bag of Portland c.? Don't we!!?

Q:what are the best roller derby wheels for cement?: it depends....is the cement painted or polished? is it usually dirty? these can make it much more slippery than it would be if it is none of these. I skate on a polished cement track which was covered in epoxy and is super slippery. I use Sugar hybrid wheels because they are super grippy. If the cement isn't polished you should probably use harder wheels.

Q:I am building a box in the ground and need it water-proof.Whats the best mixure cement/sand, or should I use concrete?What differs cement/concrete? And how do you make it strong from cracking without steel enforcement?: Technically, cement is what hold concrete together; concrete is an aggregate of sand, cement (usually Portland cement) and gravel. You can use pure cement as concrete if you want to, say, to fill cracks, same way you might use wood glue to seal up cracks where pieces of wood come together. Generally, fully cured concrete is stronger than cement by itself. I need to know more about the backyard box to recommend a specific approach. How big, how deep, above ground/below ground...etc.

Q:i have been having problems with my mouth ever since i went to this dentist he is using a glue or something that gives me a sore throat only on the side that the glue is on i thought i was losing my mind but i just have a feeling it isn't working with my body i also have heart burn all the time: Modern dentists usually use methal arcylate cement. Allergies to arcylates are extremely rare, but rare does not mean non-existent. So it is possible that you are indeed allergic to the cement. An allergist physician can probably test you to see if that is your problem. In the old days, before arcyclates, dentists sometimes used zinc phosphate as a cement. You might talk to your dentist to see if he can get that to use on you. (It might help if your dentist is older. I suspect many recent graduates have never even heard of alternatives to arcylate cement.) If that doesn't work, check in your area to see if there are any dentists who hold out as being natural, homeopathic, or similar terms. They may offer alternative treatments and alternative cementing compounds.

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