The quality of meltblown cloth is more and more demanding. Here are some technical points of the meltblown machine in the production process of melt blowing cloth:
- Production equipment
As long as the following standards achieves to produce high-quality melt-blown cloth is not a problem. Its production equipment composition is not much to say that you all know. The extruder will melt the material. You have enough pressure to squeeze it out. The metering pump supplies mold melt continuously and stably. Uniform wire tapping and hot air. The heating tank can stabilize the heating air. The air supply equipment can have sufficient air volume and pressure. In fact, this is enough, many people say that the pressure should be more than 0.4 or even 0.6, in fact, no, the air volume is enough to be able to produce filaments. Electrostatic electret can hit above 60KV.
- Raw material
We use the basic material melt refers to the basic 1500, not less than 1200 on the line. Set the appropriate temperature according to the level of the melt. Electret masterbatch can have a continuous ability to lock electricity, there is no need to pursue organic inorganic.
- Adjusting machine
Equipment materials are no problem, to have a good technician to set the appropriate parameters of high-quality cloth out. The same equipment can use to set a variety of parameters to make the same quality of cloth, here will be a half time to say, you can send me a private letter according to their own situation.
- Frequently Asked Questions
Cloth hard or brittle toughness poor solution. Low temperature hardness increases air flow and air temperature and mold temperature to make the wire thin and soft. High temperature appropriate increase the receiving distance, increase the net transfer suction.
- Crystal point
The temperature is the main reason to cause the crystal point. The melt temperature is too high (viscosity is too thin) or too low (viscosity is too large). And observing the change of the mold temperature or the wind temperature adjust the crystal point. The second material is wet, open the dryer 75 ~ 90 degrees baking material on the line. Third, the hot air has large water content, and the water and gas separat before the air enters the heating tank.
- Filtration rate
The filter rate of the cloth itself, the filamentary filter effect is naturally improved. The second electrostatic electret and masterbatch with enough particle adsorption, the simplest test method cloth roll open about 20 cm can be their own absorption fit on the line.
In fact, it is not difficult to make high-quality cloth, as long as the equipment and materials are no problem. Other debugging on the two points of temperature and air volume with a good line.