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Northwest Iron Works offers the highest quality refractory supplies on the market today. The materials you see here are the same materials we use to build glassblowing equipment for our customers around the world. Listed below are the most commonly used products in the industry. Please don't hesitate to call us if you don't see what you need -- we have distributors worldwide and can get any type of high temp refractory you require.


Insulating Fire Brick
  • 2.5in x 4.5in x 9in
  • 12 pieces per case
  • Available in 4 different degree ratings
  • Custom cutting service available. Call for details

 

Click below to view types/prices


Hard Brick
  • Use around furnace openings and other areas that are subject to abrasion
  • More durable than insulated fire brick
  • Available in 3 sizes
  • Custom cutting service available. Call for details

 

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Mortar
  • 2 types available
  • High temperature resistance
  • Pre-mixed formula has the perfect consistency
  • 50 Lb. pail

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Thermal Ceramic "M" Board
  • Use to back brick, insulate a furnace, or for ceilings on kilns and garages
  • Max. constant working temp 2300 Degrees F
  • Sold in 24 inch X 36 inch squares
  • Available in 3 thicknesses

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Insblok 19 Board
  • 1900 Degrees F insulating board
  • All board comes 12in x 36in
  • Available in 4 thicknesses

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Mineral Wool Board
  • Semi-rigid insulating board
  • Great for backing up brick for kilns and annealers
  • Max temp 1200 Degrees F
  • Available in 3 thicknesses
  • 24in x 48in

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Kaowool Caulking
  • Use up to 2300 Degrees F
  • Moldable
  • 14.5 oz tube

$19.50

 


Castable Refractory
  • 3 Brands
  • 55 Lb. Bags

 

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Cerablanket #8 Insulation
  • 25 Ft. Rolls
  • Excellent high-heat insulation
  • Comes in three different thicknesses

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Quartz Sand
  • 100 LB (45.35 kg) bag
  • Used in the bottom of glory holes
  • Protects the brick on the bottom of glory holes from glass that is accidentally dropped
  • Call for freight quote if ordering multiple bags

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$25.00


Kiln Gasket - Round
  • Creates a great heat barrier for use around kiln doors
  • Made of Zetex material
  • Comes in 100 ft. rolls or by the foot
  • Available in 3 thicknesses

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Kiln Gasket - Flat
  • Creates an excellent heat barrier for use around kiln doors
  • Made of Zetex material
  • Comes in 100 ft. rolls
  • 1/8 inch thick
  • Available in 5 widths

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