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Home > Cryogenic Insulation Products > China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories
China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories
China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories
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China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories
China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories

China Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Manufacturer, Factories

Application: LNG; Large-scale cryogenic storage tanks; PetroChina, SINOPEC ethylene project, Nitrogen plant; Coal chemical industry…
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Product Description

Thermal Insulation Application
Insulation Materials Specs
Insulation Products Quality
Production Process
Elastomeric Insulation System
Elastomeric Dimension Specifications
Dimension Specifications
Inches mm Size (L * W) ㎡ / Roll
3/4" 20 10 × 1 10
1" 25 8 × 1 8
Main Material & Color Configuration

ULT System: Manufactured using high-grade alkadiene polymer, finished in a distinctive Blue color.
LT System: Manufactured using a premium NBR/PVC blend, finished in a classic Black color.

Materials Close-up
Factory Floor Insulation production
Cryogenic Test Setup
Pipeline Insulation Layout
Insulation Sheets Roll
Assembly Line View
Shipping Preparation
Insulation Testing Lab
Material Specification Overview

With 5 large automatic assembly lines and more than 600,000 cubic meters of annual production capacity, our manufacturing base is specified as the designated production enterprise of thermal insulation materials for the National energy department, Ministry of electric power, and Ministry of Chemical industry. We have been invited to participate in many related exhibitions at home and abroad. These exhibitions give us the opportunity to meet more and more friends and customers in related industries. Welcome all friends to come and visit our factory!

Technical Performance Properties
Property ULT Insulation System LT Insulation System Standard / Test Method
Thermal Conductivity -100°C, 0.028
-165°C, 0.021		 0°C, 0.033
-50°C, 0.028		 ASTM C177
Density Range 60-80 Kg/m³ 40-60 Kg/m³ ASTM D1622
Recommend Operation Temp. -200°C to 125°C -50°C to 105°C -
Percentage Of Close Areas > 95% > 95% ASTM D2856
Moisture Performance Factor NA < 1.96x10⁻¹¹ g/(m.s.Pa) ASTM E 96
Wet resistance Factor (μ) NA > 10000 EN12086 / EN13469
Water Vapor Permeability NA 0.0039g/h.m² (25mm thickness) ASTM E 96
pH Value ≥ 8.0 ≥ 8.0 ASTM C871
Tensile Strength (MPa) -100°C, 0.30
-165°C, 0.25		 0°C, 0.15
-50°C, 0.218		 ASTM D1623
Compressive Strength (MPa) -100°C, ≤ 0.3 -40°C, ≤ 0.16 ASTM D1621
Key Structural Benefits
1
Impact & Vibration Absorption
The flexible ultra-low temperature adiabatic system possesses inherent impact resistance. Its cryogenic elastomer material effectively absorbs mechanical impact and vibration energy from external equipment, safeguarding the structural integrity of the system.
2
Built-In Vapor Barrier
This built-in vapor barrier features highly extends the lifespan of the entire cold insulation system and significantly mitigates the risk of under-insulation corrosion (CUI) on the piping.
3
Built-In Expansion Joint
The flexible ULT insulation system features built-in expansion joints, eliminating the need to use supplemental fiber materials as expansion fillers.
Frequently Asked Questions (FAQ)
What are the main material differences between the ULT and LT insulation systems?
The ULT insulation system is constructed from alkadiene polymer (colored in Blue), designed specifically for extreme ultra-low temperature cryogenic environments. The LT insulation system uses an NBR/PVC blend (colored in Black) for low-temperature settings.
What is the recommended operating temperature range for these systems?
The recommended operating temperature range for the ULT insulation system is -200°C to 125°C. For the LT insulation system, the range is -50°C to 105°C.
Do these elastomeric materials prevent water vapor penetration?
Yes, both systems have a high closed-cell area percentage (>95% per ASTM D2856). Additionally, the LT system features a water vapor permeability coefficient of 0.0039g/h.m² (at 25mm thickness) and a wet resistance factor (μ) greater than 10,000, creating an effective built-in vapor barrier.
Why is a built-in vapor barrier important for cryogenic insulation?
The built-in vapor barrier prevents moisture from penetrating the insulation and freezing on the cold pipe surfaces, which extends the operational life of the cold insulation system and significantly minimizes corrosion risk under the insulation (CUI).
Does the flexible ULT system require expansion joint fillers?
No. The flexible ULT insulation system includes a built-in expansion joint mechanism, which eliminates the requirement to use external fiber materials as expansion and contraction fillers.
What certifications and production standards do these materials follow?
The products are manufactured under strict standards and verified using international test methods, including ASTM C177 for thermal conductivity, ASTM D1622 for density, and ASTM D1623 for tensile strength.

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