"Calcium Silicate Pipe: The Go-To Insulation Solution for High-Temperature Piping Systems"

banner

"Calcium Silicate Pipe: The Go-To Insulation Solution for High-Temperature Piping Systems"

February 21, 2025

"Calcium Silicate Pipe: The Go-To Insulation Solution for High-Temperature Piping Systems"


Introduction
In the world of industrial and commercial insulation, calcium silicate pipe stands out as a reliable and efficient solution for high-temperature applications. Known for its exceptional thermal resistance, durability, and ease of installation, calcium silicate pipe insulation is widely used in steam pipelines, boilers, HVAC systems, and more. This article will explore the benefits, installation methods, and technical specifications of calcium silicate pipe covers, helping you understand why they are a top choice for energy-efficient insulation.

 

What is a Calcium Silicate Pipe?
A calcium silicate pipe (also known as a calcium silicate insulation sleeve or high-temperature pipe insulation) is a preformed, rigid insulation material designed to fit perfectly around pipes. Made from calcium silicate hydrate and reinforced with fibers, this material offers excellent thermal stability, fire resistance, and mechanical strength. With a maximum service temperature of up to 1,000°C (1,832°F), it is ideal for insulating hot pipes, steam lines, and other high-temperature equipment.

 

Key Benefits of Calcium Silicate Pipe Insulation

Exceptional Thermal Efficiency: With low thermal conductivity (0.05–0.06 W/m·K), calcium silicate pipe covers minimize heat loss and improve energy efficiency.

Fire Resistance: Rated as non-combustible, these high-temperature pipe sleeves provide excellent fire safety.

Durability: Resistant to moisture, chemicals, and mechanical stress, calcium silicate insulation tubes maintain their performance over time.

Easy Installation: Preformed shapes and lightweight design make installation quick and cost-effective.

Eco-Friendly: Made from natural materials, calcium silicate pipe liners are environmentally sustainable.


Technical Specifications

Item

Calcium silicate board

Chemical Composition

%

SiO2≥55; CaO≥36; Al2O3≤0.5; Fe2O3≤1.0

Bulk Density

Kg/m3

250(±10%)

270(±10%)

300(±10%)

Flexural Strength

Mpa

≥0.55

≥1.0

≥1.2

Max service temperature

1000

1000

1000

Compressive Strength

Mpa

≥1.0

≥1.5

≥2.0

 

Thermal Conductivity (W/m.k)

200℃

0.080

0.078

0.087

400℃

0.106

0.099

0.114

600℃

0.132

0.128

0.139

800℃

0.165

0.156

0.168

Linear Shrinkage

%

≤2(1000℃,16 hrs)

 

How to Install Calcium Silicate Pipe Insulation

Proper installation is key to maximizing the performance of calcium silicate pipe insulation. Follow these steps:

1. Surface Preparation

Clean the pipe surface to remove dirt, grease, or rust. Ensure the pipe is dry before installation.

2. Measuring and Cutting

Measure the pipe's outer diameter and length. Use a saw or knife to cut the calcium silicate insulation sleeve to the required size. For curved sections, use flexible calcium silicate insulation blankets.

3. Applying Adhesive

Apply a high-temperature adhesive (e.g., sodium silicate) to the inner surface of the calcium silicate pipe cover. Ensure even coverage for a secure bond.

4. Fitting the Insulation

Slide the calcium silicate pipe insulation onto the pipe, ensuring a tight fit. For larger pipes, use multiple sections and align them carefully.

5. Sealing Joints

Seal the joints between sections with calcium silicate tape or compatible mortar to prevent thermal bridging.

6. Post-Installation Inspection

Check for gaps or misalignments. Conduct a thermal imaging scan to verify uniform insulation coverage.

 

Applications of Calcium Silicate Pipe Insulation

Industrial: Insulating steam pipes, boilers, and exhaust systems.

Commercial: HVAC ductwork and hot water pipelines.

Energy: Thermal protection for oil and gas pipelines.

Marine: Insulating ship engine exhausts and pipelines.


Why Choose Calcium Silicate Pipe Insulation?

Unlike fiberglass pipe insulation or mineral wool sleeves, calcium silicate pipe covers offer superior thermal stability and mechanical strength. Their ability to withstand extreme temperatures and harsh environments makes them a preferred choice for industrial applications. Additionally, their preformed design ensures quick and hassle-free installation, saving time and labor costs.

  • _0000_calcium silicate pipe refractory
  • _0002_calcium silicate pipe board
  • _0001_calcium silicate pipe insulation

Inquiry Now

Download Catalog

Please leave your e-mail and we will contact you as soon as possible

contact us

Your satisfaction is our top priority. Whether you have questions, need support, or want to share feedback, our dedicated team is ready to assist you every step of the way.

+86-15063999498

-2

info@laurelrefractory.com

+86-532-80829560