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Leading Manufacturer, Supplier & Retailer of Silicon Metal 553 and Fire Insulated Ducts.

Silicon Metal 553

Imported Silicon Metal 553 SILICON METAL Silicon Metal is known as a semi-metallic or metalloid, having several of the characteristics of metals. It is the second most abundant element in the Earth's crust after oxygen, naturally occurring in various forms of silicon dioxide or silicates and very rarely in its pure form in volcanic exhalations. It takes its name from the Latin Silicus, which means flint. Silicon can be found in the form of sand, quartz, rock crystal, amethyst, agate, flint and opal as an oxide. Granite, asbestos, feldspar, clay, mica are a few examples of the numerous silicate materials. Silicon is abundant, relatively easy to mine and is one of Man's most useful elements.
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Fire Insulated Ducts

An insulated U.L. 181 Class 1 Air Duct, Constructed of a tough b Jack Inner – core, and surrounded by a thick blanket of flbreglass insulation. This is airtight; and is designed for HVAC system.

Max. Operating Temperature :

  • -29 Deg. To 60 Deg. C (@ max Pressure)
  • -29 Deg. To 60 Deg. C (@ 2” pos w.g. Pressure)
  • Standard Length : 25 Ft.
  • Standard Diameters : 4” – 20”

Code Compliance

Recommended Operating Pressure :

6” w.g. pos. / neg.

4” – 12” dia

4” w.g. pos. / neg.

4” – 20” dia

¾” w.g. pos. / neg.

All Dia

Rated positive pressure

10” w.g. per U.L. – 181

Maximum Velocity

5000 FM

R Value

402

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