(SPN) Synthetic Stone Paper Goods No Coated

FEATURES

The Features of (SPN) Synthetic Paper No Coated
For plastic board applications
60-100 mircrons thick

70% calcium carbonate + 30%PE

TYPE	Thickness	Density	Base Weight	Opacity	Applications
	um	g/cm3	（g/m2)
	(micrometers)
(SPN) Synthetic Paper No Coated	60	1	60	>70%	Disposable goods: shopping bags, garbage bags,table clothes,
	80		80	>80%
	100		100	>80%

1. One ton stone paper can save 20 trees.
2. One ton stone papercan save 280Kw /H electric energy.
3. One ton stone paper can save 7480 gallons clean water.
4. The stone paper production area was only 1/10 of the traditional fiber factory.
5. Stone paper production need only circulating cooling water, the traditional fiber paper produces a large amount of wastewater.

SYNTHETIC TECHNOLOGY

Stone paper is a kind of new material, which is between paper and plastic. That is to say, it can replace part of the traditional functional paper and professional paper, and can also replace most of the traditional plastic packaging. And it has the characteristics of low cost and controllability degradation, saving a lot of cost for the users without producing any pollution. From the perspective of replacing the part of the traditional paper, it can save a lot of forest resources for the society and reduce the secondary pollution generated in the papermaking process. From the perspective of replacing part of the traditional plastic packaging, it can save a lot of strategic resources oil for the country (using 1 ton can save oil 2.3 ton). Degradation is available after using the product, without producing secondary white pollution. Environmental protection of new materials --Stone paper, which draws from a very wide range of products. And the product upgrades, technology upgrading and the space of application are extensive. It is a very strong vitality, with a prosperous industry.

Synthetic paper is made of raw chemical materials such as olefins and some additives, with the soft texture, strong tensile strength, high water resistance, light and heat resistance, a chemical corrosion resistance and good permeability, making environment pollution impossible. It is widely used in high-level works of art, maps, pictures, high-end books and other printings. Making the semi-finished paper products by synthetic polymer materials (such as polyethylene, polypropylene, etc.) with the method of pulling film (film or blown film). And then using the chemical or physical way makes it paper-based, for example, the sand-based can increase the opacity and handling the surface with the chemical can get the hydrophobic property and so on. Another synthesis paper products can be made by the synthesis of pulp after being dealt. Synthetic paper is of high tensile strength, high tear strength, good insulation properties, optical properties and excellent wet strength.

Market Of Synthetic Stone Paper
The synthetic paper was first developed by Japan, the United States, France, and England in the 1960s and developed rapidly. At present, there are dozens of companies in the world producing synthetic paper, and the scale of production is generally 1000 tons-10000 tons per year. The production of synthetic paper is mainly polypropylene. The process includes the rolling method and the extrusion drawing method. Japan is the first country in the world to develop the synthetic paper, and it's still in the leading position. In the United States, calcium carbonate is added to the polypropylene film on the basis of the tensile method, which greatly reduces the cost and improves the competitiveness. Because of the high price of synthetic paper, it's difficult to compete with ordinary paper. Reducing costs means a lot to improve competitiveness.

Moreover, the printing time of the synthetic paper is long, so all countries are actively reducing the cost. Am

MANUFACTURING PROCESS

The manufacturing process of stone synthetic paper by thin film method
Synthetic paper of the internal will first mix the synthetic resin and filler, and add the appropriate additive, such as stabilizer and dispersing agent. After fully mixed, the extruder is packed to melt mixing. The molten material is then extruded from the seam of the T-Mold head to form a film. There are usually two kinds of film-forming methods used in the process of synthetic stone paper. Non-stretch thin film forming method and biaxial stretching film forming method.

Because of the continuous production line, the production cost is lower. Whether it's thick or thin, all are three layers. The filling content of the middle ground level is lower than that of the two layers, so it is more closely related to the properties of plastic. The strength and stiffness of synthetic paper were improved after using longitudinal and lateral tensile orientation by bidirectional stretch thin film forming method. At the same time, due to the high content of packing, the two layers formed a large number of fine pores in the stretching process. Because of this large amount of fine pores, it scatters the light and increases whiteness, opacity, printing and writing, even being endowed with the properties of paper. In addition, because the density is small and the gram is low, the unit of material consumption is low.

Synthetic stone paper of surface paper method takes synthetic resin film as base material, carrying on chemical treatment, physical treatment, or surface coating treatment on its surface and then making synthetic resin film paper.

The manufacturing technology of fiber synthesis paper
Spinning and sticking-type synthetic stone paper. The so-called spunbonded method is to spray raw materials through numerous nozzles on the yarn edges to form fiber net, then impregnate the fiber net with resin, and also can use the mechanical method to connect the fibers to make spunbonded synthetic paper. This method is highly productive.

The good quality stone paper goods supplies make in China.

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