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Fiberglass Filtration Mesh

Fiberglass Filtration Mesh

High Temp Carbonized Fiberglass Mesh Filter

High temp fiberglass mesh filter is an ideal filter material for various metal melts..

● Weaved with special high-twist & high-strength alkali-free fiberglass yarn

● Coated by special resin

● Special post-treatment under high temperature carbonized

● The Max. temperature resistance can be reached 900 ℃.

● Smokeless & Odorless & Flameless during whole use process


High temp fiberglass mesh filter is widely used in automobile and motorcycle wheels, cylinder pistons, aluminum rods, aluminum materials, aluminum ingots, aluminum plates and precision casting of all types of aluminum alloy casting.

Features and Functions:

● Effectively remove impurities, reduce turbulence and eliminate air bubbles from molten aluminium.

● Improving the quality of castings and reducing costs.

● Does not pollute the aluminum liquid and affect the chemical properties of the metal.

● The aluminium filtered by this mesh can be recycled again.

●  It is environment-friendly products

●  All shapes can be customized according to clients' requirements.

High Temp Carbonized Fiberglass Mesh Filter

TypeAlkali-free Fiberglass filtration mesh for aluminum
Work Temperature700-800℃
Softening Temperature900℃
Continuous Working Hours<20Min.(700-800℃)
Gas Emit≤30cm 3/g
Weight150-350 g/m2
Hole Size0.8*0.8/1.0*1.0/1.2*1.2/1.5*1.5/2.0*2.0/2.5*2.5mm
Weave PatternLeno

Filter Mesh Position:

The filter mesh can be cut into any specification, placed on the sprue parting surface of the box pressing, such as the combination of filter net and slag bag, its effect will be better.

1. Use area of filter net: F1 = F2 / AxB

● F1: the cross-sectional area of the casting system. 

● F2: the original cross-sectional area of the casting system.

● A: the porosity of the filter screen, generally 50-60%. 

● B: the filtration rate of filter screen, generally 60-80%.

Therefore, the cross-sectional area of the casting system is generally 2-4 times that of the casting system without the casting net.

2. Position of filter screen:

A. Place the filter under the sprue cup;

B. Placed on the parting surface under the sprue;

C. Three different positions on the lap surface of the runner.

3. Precautions for use of filter screen:

When the filter is used, it is necessary to guard against oblique pulling, wear and break. The size of the filter block should be greater than the size of the gate area 20-30mm. Handling, handling should be careful to handle, prevent extrusion, moisture.

High Temp Carbonized Fiberglass Mesh Filter


Filtration of Molten Aluminium

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