Question 1

What is gypsum plaster?

Accepted Answer

Gypsum plaster is a white powder made from the mineral gypsum. You mix it with water and it sets hard on the wall in minutes. The powder is calcium sulphate hemihydrate (CaSO₄·½H₂O). A factory makes it when it heats gypsum rock and grinds it. On site the powder takes up water again and turns back into gypsum (calcium sulphate dihydrate). This reaction makes the plaster hard. Gypsum plaster goes on the inside walls and ceilings of a building, in one coat, with a smooth white finish.

Question 2

Is gypsum powder the same as gypsum plaster?

Accepted Answer

In the building trade, yes: “gypsum powder” is the usual name for gypsum plaster in a bag. In strict terms, gypsum powder is ground gypsum rock, and gypsum plaster is that powder after heating, with small additives that control the setting time. The bags of SIG-MR and PlastoPlus carry the words “Gypsum Powder”, because that is the name that contractors use.

Question 3

What is the difference between gypsum plaster and plaster of Paris (POP)?

Accepted Answer

Both come from gypsum. Plaster of Paris sets in a few minutes and is used for thin finishing and mouldings. Gypsum plaster has a controlled setting time and is made for a full plaster coat on a wall. Gypsum plaster for walls must meet IS 2547 (Part 1), which asks for a setting time of 10 to 30 minutes. That time lets a crew mix, apply and level a coat of 6 to 20 mm.

Question 4

Which Indian Standard applies to gypsum plaster?

Accepted Answer

IS 2547 (Part 1) is the specification for gypsum building plaster. IS 2542 (Part 1) gives the test methods. The limits of IS 2547 that our reports are checked against: An NABL laboratory tests SIG-MR against this standard. You can read the reports on the Downloads page.

Question 5

How does gypsum plaster set, and why does it become warm?

Accepted Answer

It sets by a chemical reaction with water, not by drying. The reaction gives off heat, so the plaster becomes warm as it sets. In our tests SIG-MR reaches a peak of 48 to 53 °C while it sets. Because the plaster sets by reaction, it needs no water curing afterwards. Safety: never let plaster set around a hand, a finger or another part of the body. The heat can cause severe burns.

Question 6

Does gypsum plaster burn?

Accepted Answer

No. Gypsum is non-combustible: it does not burn. This is a property of the mineral gypsum itself. It is not a test result for a wall or a ceiling: that needs a test of the full construction.

Question 7

What is the difference between gypsum plaster and sand-cement plaster?

Accepted Answer

Gypsum plaster goes on in one coat, sets in minutes, needs no water curing and gives a smooth white surface. Sand-cement plaster needs water curing for several days and usually a finishing coat before paint. Because there is no curing wait, the next trade can start sooner.

Question 8

Where should I not use gypsum plaster?

Accepted Answer

Do not use gypsum plaster on outside walls or on a wall with seepage. It is a plaster for the inside of a building. If a wall has a leak, stop the leak first. On smooth concrete (Mivan, RCC, precast) use a bonding agent before the plaster: see which walls need a bonding agent.

Question 9

Does gypsum plaster need water curing?

Accepted Answer

No. Gypsum plaster needs no water curing. Plaster today, and do not water the wall afterwards. This saves water and the days that curing takes.

Question 10

How much area does one bag of gypsum plaster cover?

Accepted Answer

At 13 mm thickness, one 25 kg bag of SIG-MR covers 27 sq ft, and one 20 kg bag of PlastoPlus covers 20 sq ft. Both figures are from walls on site, with the losses included. For PlastoPlus the sum is easy: one kilo covers one square foot at 13 mm.

Question 11

How does coverage change with the plaster thickness?

Accepted Answer

Coverage changes in proportion to the thickness. Half the thickness gives twice the area. Coverage of one bag, worked out from the figure measured at 13 mm: The sum: coverage at your thickness = coverage at 13 mm × 13 ÷ your thickness in mm.

Question 12

How many bags of gypsum plaster do I need?

Accepted Answer

Divide the wall area by the coverage of one bag, and round up to a whole bag. For 1,000 sq ft at 13 mm you need 38 bags of SIG-MR or 50 bags of PlastoPlus. For another area or thickness, use the calculator on the SIG-MR page or the PlastoPlus page. You can also enter the coverage of another plaster and compare the number of bags.

Question 13

Why is the coverage on site lower than the figure on a data sheet?

Accepted Answer

Many data sheets give coverage under laboratory conditions. On a site, an uneven wall and the losses of mixing and application use more plaster. We measure coverage on a site wall, with the losses included: 27 sq ft from a 25 kg bag of SIG-MR at 13 mm. When you compare two plasters, ask if each figure is from a laboratory or from a wall, and at which thickness.

Question 14

What changes the coverage of gypsum plaster?

Accepted Answer

The thickness of the coat changes it most. An uneven wall, wastage and the mix also change it. Thickness. A wall that is out of line needs a thicker coat in places. Wastage. Plaster that sets in the pan before it is applied is lost. The mix. Keep to the water and plaster ratio of the product.

Question 15

On which walls can I apply gypsum plaster directly?

Accepted Answer

On brick and on AAC or concrete block, apply gypsum plaster directly. On smooth concrete (Mivan, RCC, precast), roll on a bonding agent first. Smooth concrete is dense and gives plaster nothing to hold. Gypbond Pro gives it a rough, bonded key: roll on one coat, wait 24 hours, then plaster. You can plaster up to 14 days after coating; after that, roll a fresh coat. One kilo covers up to 60 sq ft. The wall must be free of dust and oil.

Question 16

How do I mix gypsum plaster?

Accepted Answer

Add the powder to clean water and mix until smooth. For SIG-MR the ratio is 1 part water to 1.25 parts plaster. Use clean water and clean tools. Set plaster left in the pan makes the next mix set faster. Mix only what the crew can apply in one go. Do not add water to a mix that has started to set.

Question 17

What is the setting time of gypsum plaster?

Accepted Answer

IS 2547 allows 10 to 30 minutes. SIG-MR and PlastoPlus set in 15 minutes in the test; SIG-MR is also made with up to 30 minutes, to order. This is the final set of a test sample. The time on site depends on the water, the batch and the weather. Tell us the setting time that you want with your quantity.

Question 18

How thick can one coat of gypsum plaster be?

Accepted Answer

SIG-MR goes on in one coat of 6 to 20 mm. Our coverage figures are for 13 mm. See coverage at other thicknesses.

Question 19

When can I paint over gypsum plaster?

Accepted Answer

Paint when the plaster is dry. The drying time depends on the thickness of the coat, the weather and the air flow in the room. A whiter plaster base needs less putty and gives paint a brighter colour. SIG-MR has a whiteness of 93% and above.

Question 20

How do I check the quality of a bag of gypsum plaster?

Accepted Answer

Scan the QR code on the bag. It opens the test certificate of that batch. Every bag of SIG-MR and PlastoPlus has this code. The certificate shows the setting time, the whiteness and the other results of the batch. The laboratory reports of SIG-MR are on the Downloads page.

Question 21

What do the test figures of gypsum plaster mean?

Accepted Answer

Whiteness tells you how bright the base is. Setting time tells you how long you can work. Bending strength tells you how strong the set plaster is. The sieve test tells you how fine the powder is. The full list is on each product page: twelve properties for SIG-MR and fourteen for PlastoPlus.

Question 22

What is an NABL test report?

Accepted Answer

NABL is the National Accreditation Board for Testing and Calibration Laboratories of India. An NABL report comes from a laboratory that the board has accredited, and it carries a ULR number. An NABL laboratory tests SIG-MR against IS 2547. Each report on our Downloads page shows its report number and its ULR number.

Question 23

What is the shelf life of gypsum plaster?

Accepted Answer

The shelf life of SIG-MR and PlastoPlus is 1 year in the closed bag, in a dry store. Keep the bags off the floor and away from damp walls. Gypbond Pro also has a shelf life of 1 year, in the closed bucket.

Question 24

How do I store gypsum plaster on site?

Accepted Answer

Store the bags closed, in a dry and covered place, off the floor. Put the bags on a pallet or on planks, not on the bare floor. Keep them away from damp walls and from rain. Use the oldest bags first. The batch and the date are printed on the bag. If the powder in a bag has hard lumps, it has taken up water. Do not use it.

Question 25

Is gypsum plaster safe to handle?

Accepted Answer

Yes, with normal site care. Keep the dust out of your eyes and do not breathe it, and never let plaster set around a part of the body. Wear a dust mask and eye protection when you open bags and mix. Wash the powder off the skin with water. The safety data sheet of each product is on the Downloads page.

Question 26

SIG-MR or PlastoPlus: which one do I choose?

Accepted Answer

Both are one-coat gypsum plasters from our Panvel factory. SIG-MR covers 27 sq ft from a 25 kg bag. PlastoPlus covers 20 sq ft from a 20 kg bag: one kilo, one square foot. Ask for both in one quotation.

Question 27

What is the price of gypsum plaster?

Accepted Answer

We do not print prices on this site. Send your site, the product and the quantity, and we reply with a quotation. To compare two plasters, compare the cost of the wall, not the cost of the bag: a bag that covers more wall needs fewer bags. The calculators on the product pages do this sum with the prices that you were quoted.

Question 28

Where can I buy SIG-MR and PlastoPlus, and is there a minimum order?

Accepted Answer

We supply ex-factory from Panvel to any place. There is no minimum order. Phone or WhatsApp 7400 1800 20, Monday to Saturday, 10 am to 7 pm, or write to info@saiindiagypsum.com. Every bag of SIG-MR and PlastoPlus has a coupon of ₹5 to ₹100 for the Quick Cash app.

Question 29

What is a bonding agent for gypsum plaster?

Accepted Answer

A bonding agent is a thin coat that goes on smooth concrete before the plaster. It gives the plaster a rough surface to hold. Mivan, RCC and precast concrete are dense and smooth, and they give plaster nothing to hold. Gypbond Pro is a green, water-based coat with fine grit, made with German polymers and formulation. The grit gives the key and the polymer gives the bond.

Question 30

Where do I use Gypbond Pro, and where is it not needed?

Accepted Answer

Use Gypbond Pro on smooth concrete before gypsum plaster: Mivan, RCC and precast. It is not needed on brick or AAC block. It goes on walls, columns, beams and slab ceilings. Plaster keys to brick and block directly. Gypbond Pro is not a waterproofing product. Do not use it on a wall with seepage: stop the leak first.

Question 31

Do I still need hacking when I use Gypbond Pro?

Accepted Answer

Gypbond Pro is made to take the place of hacking. The coat gives smooth concrete a rough, bonded key without a chisel. In our site tests the coat held up to 3.3 MPa, and with gypsum plaster over it, the plaster broke before the bond in five of six cores. We have not tested the coat against a hacked wall, so we give no figure for that comparison.

Question 32

How do I apply Gypbond Pro?

Accepted Answer

Stir it, and roll on one coat with a roller or a brush. Do not add water. Clean the concrete: no oil, no dust and no release agent. Stir until the grit is even. Apply one coat. The green colour shows which wall is coated. Let it dry for 24 hours, then plaster. The product is ready to use. Do not dilute it.

Question 33

How long after Gypbond Pro can I plaster?

Accepted Answer

Plaster after 24 hours, and within 14 days of coating. If more than 14 days pass, roll a fresh coat of Gypbond Pro, and then plaster.

Question 34

How much area does Gypbond Pro cover?

Accepted Answer

One kilo of Gypbond Pro covers up to 60 sq ft in one coat. A rough or dusty wall can need more. For 1,000 sq ft you need about 17 kg: one 20 kg bucket. The calculator on the Gypbond Pro page gives the buckets for your wall.

Question 35

How strong is the bond of Gypbond Pro?

Accepted Answer

The pull-off strength of the coat is up to 3.3 MPa, tested on site walls. An NABL-accredited laboratory glued a disc to the dry coat on site walls and pulled it off (test method ASTM D7234). With gypsum plaster over the coat, the plaster broke before the bond in five of six cores (ASTM C1583).

Question 36

How do I store Gypbond Pro, and what is its shelf life?

Accepted Answer

Store the bucket closed, cool and dry, out of the sun. The shelf life is 1 year. Do not let the product freeze. The batch number and the packing date are on the label. Gypbond Pro comes in 1, 5, 10 and 20 kg buckets.

Question 37

What is gypsum board?

Accepted Answer

Gypsum board is a flat sheet with a gypsum core between two papers. It makes false ceilings, partitions and wall linings inside a building. The boards are screwed to a frame of galvanised steel sections. Only the joints are finished wet, so the work is quick and clean. Pro Max is our imported gypsum board, made on German machinery.

Question 38

What is the size and the weight of a Pro Max board?

Accepted Answer

A Pro Max board is 1220 × 1830 mm and 12 mm thick: 4 ft by 6 ft, or 24 sq ft. One board weighs 15.3 kg. The long edges are tapered and wrapped in paper, for a flat, hidden joint. The face paper is ivory and smooth. The back paper is brown and carries our logo.

Question 39

How many gypsum boards do I need for a ceiling?

Accepted Answer

Divide the area in square feet by 24, round up, and add for cuts and waste. A 1,000 sq ft ceiling needs 42 Pro Max boards before waste. For a partition, count both faces. Sections, screws, tape and joint compound are separate. The calculator on the Pro Max page does the sum.

Question 40

How strong is a Pro Max board?

Accepted Answer

A Pro Max board carries more than 660 N along the board and more than 280 N across it before it breaks. IS 2095 (Part 1) asks 500 N and 180 N of a 12.5 mm board. The figures are minimums from the supplier’s test certificate, for a 12 mm board. They are test loads on the board, not loads that you can hang from it.

Question 41

Why does the weight of a gypsum board matter?

Accepted Answer

A lighter board is easier for two people to lift, and it puts less weight on the ceiling frame. One Pro Max board weighs 15.3 kg. The unbranded boards of the same size that we see in the market weigh 17 to 18 kg. On a 1,000 sq ft ceiling of 42 boards, that is about 640 kg of Pro Max, and about 90 kg more with the heavier boards. Choose the frame from the span table of the section maker.

Question 42

Where can I use gypsum board? Can I use it in a bathroom or outside?

Accepted Answer

Use Pro Max inside the building, in dry areas. Do not use it in a bathroom or outside. It is a standard board for false ceilings, partitions, wall lining, bulkheads and coves, in homes, offices, hotels, hospitals, shops and schools.

Question 43

Which side of a gypsum board faces the room?

Accepted Answer

The ivory face faces the room. The brown back, with our logo, goes against the frame. The ivory face is the smooth side that you joint, prime and paint.

Question 44

What frame does a gypsum board ceiling or partition need?

Accepted Answer

A frame of galvanised steel: ceiling sections for a ceiling, and studs in a floor and a ceiling channel for a partition. Common practice for a 12 mm board: The span and the load set the final spacing: use the span table of the section maker. A flat ceiling starts with a level frame. We make Metal-Max steel sections at Panvel.

Question 45

How do I cut and fix a gypsum board?

Accepted Answer

Score the face paper with a knife along a straightedge, snap the board, and cut the back paper. Fix the board with drywall screws into the steel sections. Lay the boards across the ceiling sections, and stagger the end joints from row to row. Keep screws 10 mm from a paper-bound edge and 13 mm from a cut edge. Set each screw head just under the paper. Do not break the paper.

Question 46

How do I hide the joints of a gypsum board ceiling?

Accepted Answer

Put joint tape and joint compound in the tapered joint. Let it dry, sand it lightly, then prime and paint. Tape and fill every joint before you paint. Every board end must have steel behind it.

Question 47

How do I store gypsum boards?

Accepted Answer

Store the boards flat, off the floor and under cover. Do not stand them on edge. Pro Max boards come in pairs. One tape closes each pair at the two short ends. To open a pair, start the tear at one end of the tape: it opens along its middle, and you need no knife.

Question 48

What is the difference between a gypsum board ceiling and a POP ceiling?

Accepted Answer

A gypsum board ceiling is made of factory-made boards that are screwed dry to a steel frame. A POP ceiling is made with plaster of Paris on site. With boards, the thickness and the surface are the same from board to board, and only the joints need wet work. That makes the work quick to fit and to paint.

Question 49

Why should I buy your gypsum plaster?

Accepted Answer

Because you can check each figure before you buy. Our coverage is measured on a site wall, an NABL laboratory tests SIG-MR, and the QR code on every bag opens the test certificate of that batch. More wall from a bag. 27 sq ft from a 25 kg bag of SIG-MR at 13 mm; 20 sq ft from a 20 kg bag of PlastoPlus. A whiter base. Whiteness of 93% and above. Proof. Laboratory reports on the Downloads page, and a certificate for each batch. Supply. Ex-factory from Panvel to any place, with no minimum order. A coupon in every bag of ₹5 to ₹100, for the Quick Cash app.

Question 50

I get gypsum powder much cheaper than yours. Why should I pay more?

Accepted Answer

A cheaper bag is not a cheaper wall. Divide the price of the bag by the square feet that it covers: that is what your wall costs. The unbranded plasters that we see in the market cover 14 to 15 sq ft from a 20 kg bag. One 25 kg bag of SIG-MR covers 27 sq ft at 13 mm, measured on site. Put the two prices that you were quoted into the calculator on the SIG-MR page. It shows the cost of the same wall with each plaster. Add the transport and the labour for the extra bags.

Question 51

Why should I care about whiteness, when I will paint over the plaster?

Accepted Answer

Because paint does not fully hide a grey base. A whiter base needs less putty and gives paint a brighter colour. This is what we see on site. SIG-MR and PlastoPlus have a whiteness of 93% and above. The unbranded plasters that we see in the market are at 65 to 85%. On a greyer base, the painter uses more putty to get the same colour.

Question 52

Why should I care about coverage, when the cost of the bag is what matters?

Accepted Answer

You pay for a finished wall, not for a bag. The cost of one square foot is the price of the bag divided by its coverage. From each kilo, SIG-MR covers 1.08 sq ft at 13 mm. A plaster with 14 to 15 sq ft from a 20 kg bag covers 0.70 to 0.75 sq ft from each kilo. Lower coverage means more bags to buy, to transport, to carry up and to mix. See how many bags you need.

Question 53

I am happy with my present supplier. Why should I choose you?

Accepted Answer

Do not change on our word. Plaster one wall with our plaster, measure it, and compare it with what you use now. There is no minimum order, so you can buy a few bags for the test. Measure the area that one bag covers at your thickness. Look at the colour of the base beside your present plaster. Scan the QR code and read the certificate of the batch. Then decide.

Question 54

Every maker says that its product is the best. Are you the same?

Accepted Answer

We do not ask you to believe that. We give figures that you can check: coverage measured on a site wall, laboratory reports with their numbers, and a test certificate for each batch. The calculators on our product pages let you enter your own plaster and your own prices. If your plaster is cheaper for the wall, the calculator shows that too.

Question 55

Is all gypsum powder the same?

Accepted Answer

No. Two bags can look the same and differ in coverage, whiteness, setting time and fineness. IS 2547 sets the limits for setting time, strength and fineness, but it sets no figure for coverage or whiteness. Ask each supplier for the coverage at a stated thickness, for the whiteness, and for a test report. See what the test figures mean.

Question 56

How can I check the coverage of a gypsum plaster myself?

Accepted Answer

Plaster a measured area with one full bag, and note the thickness. Mark an area on one wall and measure it in square feet. Mix and apply one full bag at an even thickness. Check the thickness at a few points. Measure the area that the bag covered. To compare two plasters, bring both to the same thickness: coverage at 13 mm = area covered × thickness in mm ÷ 13.

Question 57

Is a 25 kg bag better value than a 20 kg bag?

Accepted Answer

Not by itself. Compare the wall that each kilo covers, not the weight of the bag. SIG-MR comes in 25 kg, 20 kg and 15 kg bags, and each kilo covers 1.08 sq ft at 13 mm. PlastoPlus comes in a 20 kg bag, and each kilo covers 1 sq ft.

Question 58

Can I try a small quantity first?

Accepted Answer

Yes. There is no minimum order. We supply ex-factory from Panvel. Phone or WhatsApp 7400 1800 20 with your site and the quantity.

गुण	IS 2547 की सीमा	इससे क्या पता चलता है
सेटिंग टाइम	10 से 30 मिनट	मिक्स को लगाने और लेवल करने के लिए आपके पास जितना समय है
बेंडिंग (ट्रांसवर्स) मज़बूती	कम से कम 0.49 N/mm²	जमे हुए प्लास्टर की मज़बूती
150 µm की छलनी पर बचा हिस्सा	5% से ज़्यादा नहीं	पाउडर कितना बारीक है
जमते समय फैलाव	0.2% से ज़्यादा नहीं	जमते समय प्लास्टर कितना कम हिलता है
सतह की सख़्ती (बॉल इंडेंटेशन)	फ़ाइनल कोट के लिए 3.0 से 4.5 मिमी	तैयार सतह कितनी सख़्त है

	जिप्सम प्लास्टर	रेत-सीमेंट प्लास्टर
पानी की तराई	नहीं	कई दिन
सेटिंग	मिनटों में (IS 2547: 10 से 30)	घंटों में, फिर मज़बूती आने में दिन लगते हैं
कोट	एक कोट, 6 से 20 मिमी	एक या दो कोट, फिर अक्सर एक फ़िनिशिंग कोट
सतह	चिकनी और सफ़ेद, पेंट के काम के लिए तैयार	ग्रे और ज़्यादा खुरदरी
बिल्डिंग पर भार	कम	ज़्यादा
कहाँ	अंदर की दीवारें और सीलिंग	अंदर और बाहर
सप्लाई	बैग में तैयार: पानी मिलाएँ	रेत, सीमेंट और पानी साइट पर मिलाए जाते हैं

प्रोडक्ट	बैग	13 मिमी पर कवरेज	एक किलो से दीवार
SIG-MR	25 किलो	27 वर्ग फुट	1.08 वर्ग फुट
PlastoPlus	20 किलो	20 वर्ग फुट	1 वर्ग फुट

मोटाई	SIG-MR, 25 किलो का बैग	PlastoPlus, 20 किलो का बैग
6 मिमी	58.5 वर्ग फुट	43.3 वर्ग फुट
8 मिमी	43.9 वर्ग फुट	32.5 वर्ग फुट
10 मिमी	35.1 वर्ग फुट	26 वर्ग फुट
13 मिमी	27 वर्ग फुट	20 वर्ग फुट
15 मिमी	23.4 वर्ग फुट	17.3 वर्ग फुट
20 मिमी	17.6 वर्ग फुट	13 वर्ग फुट

13 मिमी पर दीवार का एरिया	SIG-MR, 25 किलो के बैग	PlastoPlus, 20 किलो के बैग
100 वर्ग फुट	4 बैग	5 बैग
500 वर्ग फुट	19 बैग	25 बैग
1,000 वर्ग फुट	38 बैग	50 बैग
2,000 वर्ग फुट	75 बैग	100 बैग

टेस्ट	SIG-MR	PlastoPlus	IS 2547
सफ़ेदी	93% और उससे ज़्यादा	हर बैच में 93% से ऊपर	कोई सीमा नहीं
सेटिंग टाइम	15 मिनट (ऑर्डर पर 30 तक)	15 मिनट	10 से 30 मिनट
बेंडिंग मज़बूती	न्यूनतम से 8 गुना से ज़्यादा	न्यूनतम से 11 गुना से ज़्यादा	कम से कम 0.49 N/mm²
150 µm की छलनी पर बचा हिस्सा	2% से कम	सीमा के अंदर	5% से ज़्यादा नहीं
किसने टेस्ट किया	एक NABL लैब	पनवेल फ़ैक्टरी की हमारी लैब

	SIG-MR	PlastoPlus
13 मिमी पर कवरेज	25 किलो के बैग से 27 वर्ग फुट	20 किलो के बैग से 20 वर्ग फुट
एक किलो से दीवार	1.08 वर्ग फुट	1 वर्ग फुट
सेटिंग टाइम	15 मिनट, या ऑर्डर पर 30 तक	15 मिनट
पैक	25 किलो, 20 किलो और 15 किलो के बैग	20 किलो का बैग
टेस्ट	NABL लैब की रिपोर्ट	फ़ैक्टरी लैब, हर बैच

बाल्टी	कितने तक कवर करती है
1 किलो	60 वर्ग फुट
5 किलो	300 वर्ग फुट
10 किलो	600 वर्ग फुट
20 किलो	1,200 वर्ग फुट

हिस्सा	स्पेसिंग
सीलिंग के इंटरमीडिएट चैनल	1220 मिमी
सीलिंग सेक्शन	457 मिमी
पार्टीशन स्टड	610 मिमी
बोर्ड के स्क्रू	230 मिमी, और किनारों पर 150 मिमी

13 मिमी पर 1,000 वर्ग फुट	बैग	ख़रीदने और ऊपर चढ़ाने का वज़न
SIG-MR, 25 किलो का बैग, 27 वर्ग फुट	38 बैग	950 किलो
20 किलो के बैग से 15 वर्ग फुट वाला प्लास्टर	67 बैग	1,340 किलो
20 किलो के बैग से 14 वर्ग फुट वाला प्लास्टर	72 बैग	1,440 किलो

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