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Cheap China Cement Bag Sack - China

price: contact company for price

Advantages of our product:

Flexible and of high strength,

Resistant to chemicals ( alkali and acid resistant) ,

Corrosion resistant

Resistant to fungal growth

Moisture resistant – virtually unaffected by water

and atmospheric moisture, doesn’t absorb water

Lightweight

100% recyclable

History of cement package from wooden casks to final

Polypropylene woven bag. Because of PP cement bag’s

advantages; PP cement bag is the future trend in cement

packaging.

Imported cement was packaged in wooden casks11, each

containing 3 bushels12, about 4 to 4.25 cubic feet ( about

170 kg net) depending upon the fineness of the cement.

Cement produced in Australia was initially supplied in

similar sized wooden casks ( C& CA 1928) . Later cement was

supplied in jute bags of 125lb. ( 56.7 kg) ( Penn 1977) , as

well as wooden casks and light gauge steel drums of 400 lbs

gross ( 375 lb. net) for export ( Commonwealth 1904) . In 1906,

steel drums, semi- circular in cross section and equal to half

a normal drum, . were designed to supply remote area by camel

transportation. The jute bags proved to be to dusty leading

to a docker strike. Paper lined jute bags were developed

which led to the present multi- walled paper bag. When cement

in paper bags was introduced, it sold at 127 pounds gross

and 125 pounds net per bag.

Polypropylene was first polymerized to a crystalline

isotactic polymer by Giulio Natta as well as by the German

chemist Karl Rehn in March 1954. [ 4] This pioneering

discovery led to large- scale commercial production of

isotactic polypropylene by the Italian firm Montecatini from

1957 onwards. [ 5] Syndiotactic polypropylene was also first

synthesized by Natta and his coworkers.

In china, paper cement bag have the whole market before

80’s. In 80’s, PP woven bag is used in cement packaging,

and be in a rapid development This bag has a defect. That is

easy to be dusty. We improved the design. Final laminated

polypropylene woven bag came. It is accepted by whole

market. And Chinese government set a policy to forbid the pp

woven bag without lamination in 90’s.

Laminated pp woven bag is Durable and hard to break, Light

Weight so can save the freight for transfer, Moisture /

Water Resistant, not easy to take dust and Reusable. PP

cement bag is low cost and high price- quality ratio. The raw

material is get from oil and it is environmental- friendly.

So laminated pp woven bag is the first selection for cement

packaging. It dominates the Chinese market.

Tianhai Plastic Co. is experienced in woven PP cement bags

for 10 years, establishing good cooperation relationship

with big companies. Our product is of high quality and

pretty competitive price.

● Flexible and of high strength,

● Resistant to chemicals ( alkali and acid

resistant) ,

● Corrosion resistant

● Resistant to fungal growth

● Moisture resistant – virtually unaffected by

water and atmospheric moisture, doesn’t absorb water

● Lightweight

● 100% recyclable

Laminated Polypropylene Cement bag

Raw Material 100% new pp or as the customers'

requirement

Color White, Yellow as the customers' requirement

Printing Offset printing

Width As the customer' s requirement

Length As the customer' s requirement

Weights/ m2 As the customer' s requirement

Top Heat cut or hemmed

Bottom Single/ double folded, single/ double stitch

Lamination Yes

Packing 400 per bundle, can be customized

Minium Order 300, 000

Lead Time 15 days after place an order

Payment Term L/ C, T/ T

Comparison of different material cement bag

kraft paper bag laminated

polyproprpene woven bag

1 moisture- proof Strong moisture absorption, water

permeates layer by layer, deformation after wetting, high

requirement for stacking Isolated from moisture

erosion in normal temperature, water absorption below 0.01%

in 24 hours, low moisture permeability

2 Environmental Protection 24 trees was logged

for making 1 ton of paper 8- 20 tons of water was consumed

for 1 ton of paper with subsequent severe water pollution

Byproduct of crude oil refining

100% recyclable few water

demand in manufacture, maily recycling water

3 cost 1. manufacture: large water consumption

2. wastewater handling: should be processed by special

apparatus, increasing expenditure and energy consumption

3. logistics: nearly twice heavier than laminated woven bag,

uneconomical cost in transportation

4. recycling: same procee with manufacture with large water

consumption, high resources cost and heavy pollution, increase

wastewater handling cost. recycling less than

5. procurement cost: higher unit price than laminated woven

bag 1. manufacture: few water consumption, bare pollutant

2. logistics: nearly twice lighter than kraft paper bag, cost-

effectiveness in transportation

3. recycling: recycling used bags for direct re- use, recycling

more than 6 times, energy- saving to the maximum

4. procurement cost: relatively lower unit price than kraft

paper bag

4 strength easily to be broken while drop test

or unloading if the paper sizes are not uniform through

multiple layer high elongation and strength of

weft and warp

5 Tear and wear resistance high friction

between bags in stacking with only about 0.12 rub

coefficient between pp woven bags, convenient for unloading

6 resycling could be recycled about 3

times, functionality decreases with increasing recyling times

recycling rate is 21% simple recycling

process, energy- saving, recycling more than 6 times

no limites for recycling times, few influence in

functionality

high recycling rate

conclusion: To sum up, laminated PP woven bas has huge

advantages in comprehensive use.

① For functionality, it is of high strength and elongation

and low rate of broken bags

② For cost control, it is of low energy consumption and low

recycling cost, besides in logistics expenditure, it is cost-

effective. With same amount, the weight of plastic woven bags

is much lighter than kraftpaper bags. And the unit price of

laminated woven bag is at less 10% lower than kraft paper

bag.

History of plastic woven bag

In 1930s, H•Jaeque invented a new technology to make cut

cellosilk and split- film fiber through his study of PVC. In

1950s, O•B•Rasmussen used extruded film and drawing machine,

invented the fiber for weaving. And in 1965, uniaxial

oriented filament was put into mass production in Europe to

manufacture woven bags for industrial packaging.

Cement was initially packaged in wooden casks, later changed

to jute bags, which proved to be dusty. Therefore paper bags

were developed. Plastic woven bags were invented in 1950s,

main components were polyethylene, polypropylene and their

composites. Plastic woven bag was used in cement packaging

in early 1980s. In the middle of 1980s, paper bags were in

short supply; plastic woven bags gradually got prevailed and

became the main trends for cement packaging. Plastic woven

bag is in constant improvement to meet the increasing

performance requirements met in practical use. During

decades of development, laminated plastic woven bags are the

most universal packaging material in cement industry in many

countries, for example, plastics woven bags dominate the

China market.

Plastic woven bags have already displaced traditional cement

packaging materials in many countries, and keep an

optimistic growth globally in years. The demand for it would

be increase according to estimated due to lots of

construction projects and infrastructures are planned to be

commenced in recent years.


Company Contact:


  • Phone: 867732635228

  • Address: No.3 Industry Area,Dingjiang Town,Guilin,Guangxi P, Guilin, China

  • Email: Email


Published date: August 29, 2014 -

  • Business Description: Guilin Tianhai Plastic Co.Ltd., established on 9th.September, 2005,

    specializes in manufacturing all kinds of plastics woven bags,such as cement woven bag, feed bag. Tianhai is located at the #3 Dingjiang

    Industrial Park, which is at the northern suburb of Guilin. Guilin is

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