Made from specially treated silica yarns and coated with a special refractory coating, high silica fiberglass fabric filters with thick silica mesh are capable of withstanding pouring temperatures up to 1620° C. The following are the advantages and applications of high silica fiberglass filters.

Advantages of high silica fiberglass filters

Low cost and easy to use

Can be used with existing pattern equipment

Improves flow and metal distribution

Eliminates inclusions from ceramic debris

Removes micron-sized inclusions and impurities

Effective in removing slag, refractory particles, and non-metallic inclusions from molten metal

Application of high-silica glass fiber screen

The high-silica glass fiber screen was developed as a low-cost alternative to ceramic filters with comparable filtration efficiency. The following are its common applications.

Cut parts for in-mold filtration, such as sand casting, gravity casting, etc.

Cups for investment casting

Cut pieces for riser sleeves, bottom, or through wall ports

Cut pieces to provide weakening planes for riser knockouts

In-mold filtration of gray, malleable, white, creep, and ductile cast iron

Filtration of non-ferrous aluminum and copper-based metal alloys and many types of small cast steel parts

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