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Fireproof Close Cell Phenolic Rigid Board

Thickness of aluminum foil:
Normal thickness:
  • Phenolic exterior wall panel


Phenolic Foam (PF) is a type of rigid plastic foam made up of phenolic resin and other additives. It is widely recognized as one of the best insulation materials due to its exceptional fire resistance, low smoke emission, high temperature resistance, stability, superior thermal performance, excellent sound insulation properties, and strong structural strength. Because of these qualities, it is often referred to as the Third-Generation insulation material.

The thermal conductivity of Phenolic Foam is very low, ranging from 0.021 to 0.032W/mk. This is much lower than traditional insulation materials such as mineral wool, rock wool, glass wool (which have a thermal conductivity of 0.043 to 0.052W/mk), and expanded perlite (which has a thermal conductivity of 0.065 to 0.083W/mk). In fact, its energy-saving and insulation performance is double that of these traditional materials and is on par with polyurethane. Therefore, it is widely regarded as one of the top insulation materials in the world.

Product Description
Inspection Items Technology Index Inspection Items Technology Index
Conventional thickness 30-220mm Bending strength ≥1.1 MPa
Length/Width (mm) 2000x1200, 3000x1200, 4000x1200 Leakage air volume ≤ 1.2%
Fireproof rating A2 Thermal resistance 0.86 m2K/W
Density of core material 40-60kg/m3 Smoke density ≤9, no toxic gas release
Water absorption ≤3.7% Dimension stability ≤2% (70±2℃, 48h)
Thermal conductivity 0.019-0.02 W(mK) Oxygen index ≥45
Heat resistance -150 ~ +150℃ Duration of fire resistance >1.5h
Air flow max 15M/s Formaldehyde Emission ≤0.5Mg/L
Compression strength ≥0.18 MPa

Product features

Characteristics of phenolic board

Product Application
Application of phenolic board
Company Information
Introduction to phenolic board manufacturers
Various certificates

Phenolic insulation board with reliable quality


Product Category

W.T Thermal Insulation Material Co., Ltd. is an innovative enterprise, focus on research and manufacturing. With the cohesion and forward-looking awareness of our management team, we became to the modern enterprises.



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