Wholesale Dienes Rubber Foam Insulation For the Cryogenic Systems Manufacturer, Suppliers

These are flexible, closed-cell, rubber foams based on dienes rubber. Flexible elastomeric foams exhibit such a high resistance to the passage of water vapour that they do not generally require additional water-vapour barriers. Such high vapour resistance, combined with the high surface emissivity of rubber, allows flexible elastomeric foams to prevent surface condensation formation with comparatively small thicknesses.

Product Description

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Insulation Material 2
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  • Insulation that maintains its flexibility at very low temperatures down to -200℃ to +125℃.
  • Low thermal conductivity.
Kingflex Cryogenic Rubber Foam is highly durable and resistant to wear and tear. It is resistant to moisture, chemicals, and UV radiation, making it suitable for use in both indoor and outdoor environments.
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Kingflex Dimension
Inches mm Size (L * W) ㎡ / Roll
3/4" 20 10 × 1 10
1" 25 8 × 1 8
Main Property Base material Test Method / Standard
Kingflex ULT Kingflex LT
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 Temperature -200°C to 125°C -50°C to 105°C -
Percentage Of Close Areas >95% >95% ASTM D2856
Moisture Performance Factor NA <1.96x10g(m.m.Pa) ASTM E 96
Wet resistance Factor μ NA >10000 EN12086
EN13469
Water Vapor Permeability Coefficient NA 0.0039g/h.m²
(25mm thickness)
ASTM E 96
PH ≥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
Facility 1
Facility 2
With 5 large automatic assembly lines, more than 600,000 cubic meters of annual production capacity, the enterprise 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.
Frequently Asked Questions (FAQ)

Q1: What is the operating temperature range of Kingflex Cryogenic Rubber Foam?

Kingflex ULT maintains its flexibility at extremely low temperatures ranging from -200°C to +125°C, while Kingflex LT is recommended for temperatures from -50°C to +105°C.

Q2: How does the material perform in terms of moisture and environmental resistance?

It features a close area percentage of over 95%, making it highly resistant to moisture, chemicals, and UV radiation. This allows it to perform reliably in both indoor and outdoor environments.

Q3: What sizes and dimensions of the rubber foam rolls are available?

Standard dimensions include a thickness of 3/4" (20mm) with roll sizes of 10m x 1m (10㎡/roll), and 1" (25mm) thickness with roll sizes of 8m x 1m (8㎡/roll).

Q4: What is the density of Kingflex ULT versus Kingflex LT?

According to ASTM D1622 test standards, Kingflex ULT has a density range of 60-80 Kg/m³, whereas Kingflex LT has a density range of 40-60 Kg/m³.

Q5: What are the thermal conductivity properties of these materials?

Based on ASTM C177 testing, Kingflex ULT achieves a thermal conductivity of 0.021 at -165°C, and Kingflex LT achieves 0.028 at -50°C, ensuring high thermal efficiency.

Q6: What is the annual production capacity of the production lines?

The manufacturing facility utilizes 5 large automatic assembly lines, delivering an annual production capacity of more than 600,000 cubic meters.

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