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Rigid PIR Insulation Board , PIR Foam Board High Dimensional Stability

Place of Origin Changzhou, Jiangsu,China
Brand Name Kaff Rees
Certification SGS
Minimum Order Quantity 20 Cubic Meters
Price Negotiable
Packaging Details Carton packaging/Wooden case packaging/according to the requirements
Delivery Time Negotiable
Payment Terms EXW/FOB/CIF
Supply Ability According to products
Product Details
Name Rigid PIR Insulation Board Cold Insulation Material Polyisocyanurate PIR
Feature High Dimensional Stability PH Value 5.5-7
Service Temp. -196~+120℃ Application Low Temperature Industries
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Product Description
Rigid PIR Insulation Board, PIR Foam Board High Dimensional Stability
Key Features
  • Fire resistance rated as B1
  • Operating temperature range -196℃ to +120℃
  • Excellent dimensional stability
  • Customizable cutting in panels and pipes according to requirements
Product Introduction
Polyisocyanurate (PIR) is a foaming material made by the polymerization of isocyanate and polyether. With superior physical and fire resistance properties compared to polyurethane, it offers excellent thermal insulation with small thermal conductivity and high dimensional stability. This organic rigid thermal insulation material is ideal for demanding industrial applications.
Technical Properties
Item Unit Technical Data Test Mode
Density kg/m³ ≥40 ASTM D1622 / ISO 845
Thermal Conductivity W/(m*K) ≤0.035 (+100℃)
≤0.029 (+50℃)
≤0.025 (+10℃)
≤0.024 (0℃)
≤0.023 (-50℃)
≤0.022 (-100℃)
≤0.017 (-150℃)
≤0.016 (-170℃)
ASTM C177
Compressive Strength kPa ≥200 (+23℃)
≥280 (-165℃)
ASTM D 1621
Tensile Strength kPa ≥320 (+23℃)
≥265 (-165℃)
ASTM D 1623
Flame Spread Index ﹤25 ASTM E84
Oxygen Index ≥30 GB/T 2406.2
Water Absorption by Vol. % ≤2 ASTM D2842
Water Vapor Permeability ng/(Pa*s*m) ≤5.5 ASTM E96
Closed Cell Ratio % ≥95 ASTM D6226
Lineal Thermal Expansion Coefficient m/(m*K) ≤70×10⁻⁶ ASTM D696
PH Value 5.5-7 ASTM C871
Chloride Content ppm ≤60 GB/T 11835
Elastic Modulus MPa ≤16 ASTM D1623
Service Temp. -196~+120
Applications
As an ideal organic low-temperature thermal insulation material, PIR insulation board features small thermal conductivity and high dimensional stability. Suitable for a wide temperature range, it is extensively used in LNG, ethylene, cold storage, and other low-temperature industries.
Typical PIR Insulation System Structure
Diagram of PIR insulation system structure
  • PIR Shell: inner layer + middle layer (if necessary) + outer layer
  • Secondary Vapor Barrier: PAP aluminum foil
  • Main Vapor Barrier: mastic + fiberglass meshes + mastic
  • Metal Protective Layer: aluminum alloy plate, stainless steel plate, aluminized steel plate, GRP
  • Sealant: HS-10-02, Foster 95-50, etc
  • Strapping Material: stainless steel tape, sub sensitive tape
Packing and Storage
  • Store in a dry, lightproof, shady, and ventilated place
  • Keep away from heat sources and protect from sun exposure
  • Inner package: black polyethylene bags
  • Outer package: cartons
Cautions
  • Handle gently - avoid rolling, collision, and heavy pressure during movement
  • When applied to pipe and equipment insulation, fasten with glass fiber tape or steel band
  • Cut with saw during application
Production Flow
Diagram of PIR insulation production process