The Production Technology of Fiberglass Filtration & Shunt Combo bag: 

● Produced with new environmental protection material, does not burn during whole use process , no harm to human body.

● Advanced production equipment, warp and weft standard for base cloth, high temperature resistant coating mesh uniform, the finished product is exquisitely made without burrs.

● Both sides of the bag adopt square hole fixing device technology, more convenient operation and improve the working rate.

TF Combo Bag Production Process

Fixing Cloth With Moulds     &     Sewing With Fiberglass Yarn

Application:

● Apply to filter and evenly distribute molten aluminum in molds.

● Apply to filter large diameter aluminum ingot and billet, rectangular aluminium slab, and aluminum-alloy casting parts.

● Used in sand casting, permanent mold, shell mold, draw mold and investment casting, which can remove impurities, reduce turbulence, eliminate air bubbles, thereby improve casting quality and reduce production costs.

TF Combo Bags Shunting Aluminum Liquid Process

Main purpose of usage of such bags:

● The aluminum liquid is divided to two ends of ingot through the bags, this process will determines the temperature distribution around crystallizer device. And the metallographic structure of the cured aluminum alloy ingot will be affected by the temperature distribution.

●The second purpose is to keep and leave the oxide in the bags, reduce the aluminium liquid flow and filter out all the large particles that mainly include alumina, chloride and titanium, boron, magnesium oxide and large resistant material shed.

● Fiberglass Filtration Combo bag is one of process in contact with aluminum liquid in casting foundry, so, it is quite important. It is the key to achieve the casting quality standards of aluminum and aluminum alloy flat ingot if bags and skimming ring are used together.

Advantages:

● Easy to install,

● Reduce turbulence,

● Improve metal distribution,

● Remove oxides,

●Reduce waste products,

● The coated bags will produce light gas and less smoke when in contact with aluminum liquid.

Technical Parameter Data:

Functions:

● Helps to reduce the turbulence of metal flow and improve the temperature distribution throughout the mold volume.

● Filter the molten metal and decrease in non-metallic inclusions and oxide films in the liquid metal. 

● Ensure the removal of oxides or other debris suspended in the volume.

● Remove the harmful impurities such as bubbles, ash oxides, and various inclusions in aluminum molten liquid.

● Greatly improve the yield of aluminum castings, improve the quality of aluminum products.

● Avoid the problem of other metal components into aluminum solution.

● Does not affect the composition of aluminum alloy.

● Improve the hardness of aluminum casting product with more average surface hard and bending strength.

● Ensure the quality of aluminum castings.

This bag can also improve the mechanical properties of aluminum castings, can increase the hardness of the castings, and the surface hardness is uniform and improve the bending strength of the castings. 

In this way, the manufacturer can produce terminal products with assured quality.

Compared with other kinds of filters, Fiberglass Filtration Shunt Combo Bag has the advantages of low price, convenient use, no change of metal composition, good filter slag and low gas output. Shunt bags can withstand higher temperature and more suitable for high temperature precision casting production.