2 Inch Ceramic Fiber Board

Standard Thickness: 2 inches (50 mm).

Standard Sizes: 24 x 36 inches, 36 x 48 inches (Custom dimensions available).

Density Grades: 18 lb/ft3 (280 kg/m3) to 22 lb/ft3 (350 kg/m3).

Classification Temperature: Standard Grade (1260C/2300F) and Zirconia Grade (1430C/2600F).

Thermal Conductivity: 0.12 W/m.k at 600 degrees Celsius (highly efficient heat retention).

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2 Inch Ceramic Fiber Board Product Feature

（1）Low thermal conductivity,

（2）Low heat capacity, excellent thermal stability

（3）High thermal shock resistance and compressive strength

（4）Good toughness

2 Inch Ceramic Fiber Board Product Application

（1）Industrial kiln wall linings

（2）High temperature kiln linings

（3）High temperature and high heat equipment insulation

（4）Shipbuilding industry insulation and fire protection

（5）Sound insulation and insulation

Product Property

PROJECT		INDEX
MODEL		1260	1350	1450
Working Temperature（℃≥）		1100	1250	1350
Density (kg/m3)		220-500kg
Thermal conductivity by mean temp.( w/m.k )		0.085(W/m.k)(400℃) 0.132(W/m.k)((800℃) 0.180(W/m.k)((1000°C)
Compression strength(Mpa)		0.5
Chemical Composition(%)	AL2O3	42~43	52~53	35
	SIO2	53	46	45
	ZrO2	-	-	15-17
	Fe2O3	≤1.2	≤0.3	≤0.2
	Na2O+k2O	≤0.5	≤0.3	≤0.2
SIZE		Length1200*Width600	Thickness20-30-40-50mm

2 Inch Ceramic Fiber Board: Heavy-Duty Rigid Insulation for High-Efficiency Systems

In industrial high-heat applications, the thickness of your insulation determines your energy loss. While thinner blankets are flexible, the 2 inch ceramic fiber board (50mm) provides the structural rigidity and superior thermal barrier required for the most demanding furnace linings and heat shields.

Highland Refractory’s 2-inch boards are vacuum-formed using high-purity alumina-silica fibers and specialized organic/inorganic binders. This process creates a lightweight yet durable board that resists high-velocity gases and thermal shock up to 1430 degrees Celsius (2600 degrees Fahrenheit).

Technical Specifications: The 2-Inch Standard

Our 2-inch ceramic fiber boards are manufactured to meet international ASTM standards, ensuring consistent performance in global markets.

Standard Thickness: 2 inches (50 mm).
Standard Sizes: 24 x 36 inches, 36 x 48 inches (Custom dimensions available).
Density Grades: 18 lb/ft3 (280 kg/m3) to 22 lb/ft3 (350 kg/m3).
Classification Temperature: Standard Grade (1260C/2300F) and Zirconia Grade (1430C/2600F).
Thermal Conductivity: 0.12 W/m.k at 600 degrees Celsius (highly efficient heat retention).

Why Choose a Single 2-Inch Board Over Layering?

Many engineers wonder if they can just stack two 1-inch boards. While possible, using a single Highland 2-inch board offers distinct advantages:

Structural Integrity: A single 2-inch board is significantly more rigid and less prone to warping or deforming under mechanical stress compared to stacked layers.
Reduced Joint Leakage: Fewer layers mean fewer horizontal gaps where heat can potentially bypass the insulation.
Labor Savings: Installation is 50 percent faster, reducing downtime during furnace relining or boiler maintenance.

Core Applications for 2-Inch Ceramic Fiber Board

Because of its excellent strength-to-weight ratio, this 2-inch board is the preferred choice for:

Industrial Kiln Linings: Used as the primary hot-face lining or as heavy-duty backup insulation in ceramic, glass, and steel furnaces.
Boiler and Heater Insulation: Providing a robust heat shield for combustion chambers and flue gas ducts.
Fireplaces and Wood Stoves: Protecting the surrounding structure from extreme radiant heat in residential and commercial heating units.
Expansion Joint Seals: The rigidity of the 2-inch board makes it ideal for creating durable expansion joints in refractory masonry.

Precision Manufacturing and Export Quality

Highland Refractory doesn't just produce insulation; we provide engineered solutions. As an export-focused manufacturer, we prioritize the details that matter to B2B buyers:

Minimal Outgassing: Our vacuum-forming process ensures that organic binders are controlled, minimizing smoke or odor during the initial "burn-in" phase of the furnace.
Easy Machining: Despite its rigidity, the 2-inch board can be easily cut with a handsaw or drilled with standard tools, allowing for perfect fitment around burner ports and sensors.
Sea-Freight Ready Packaging: Ceramic fiber boards can be prone to corner damage. We utilize double-wall corrugated cartons, reinforced corner guards, and palletized shrink-wrap to ensure every 2-inch board arrives in pristine condition at your facility in Europe, the USA, or Southeast Asia.

Installation Best Practices

Cutting: For clean edges on a 2-inch board, use a fine-toothed saw or a high-speed CNC router for complex shapes.
Adhesives: We recommend using Highland High-Temp Rigidizer or specialized refractory adhesives to bond the boards to steel shells or other refractory surfaces.
Dust Control: As with all ceramic fiber products, always wear a mask and gloves during handling to prevent skin and respiratory irritation.

Frequently Asked Questions (FAQ)

Q: Can I use 2 inch ceramic fiber board for a forge?

A: Yes, it is excellent for forge floors and walls. It provides better floor stability than a ceramic fiber blanket, allowing you to rest heavy workpieces on the board without crushing the insulation.

Q: Does the board shrink when heated?

A: All ceramic fiber products have a small amount of linear shrinkage. Our 2-inch boards are pre-conditioned to ensure linear shrinkage stays below 3 percent at the classification temperature.

Q: Is it food safe for pizza ovens?

A: While the board is an excellent insulator for the exterior of a pizza oven dome, we recommend a secondary layer of firebrick or food-safe refractory material for any surface that will come into direct contact with food.

Highland Refractory: Your Partner in Thermal Efficiency

Stop wasting energy through thin, inadequate insulation. Highland Refractory provides the JIS and ASTM standard 2-inch ceramic fiber boards needed to optimize your thermal equipment.