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Phenolic foam insulation board

Author: Daisy

Sep. 08, 2025

54 0 0

Phenolic foam insulation board

Specifications

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Parameters of phenolic boardnumerical valuedensity(kg/m3)30~80(Customizable)Thermal conductivity(W(M))0.020~0.029Smoke density grade(%)6compressive strength(Kpa)≥150Combustion gradeThermosetting fireproof non combustible materialcalorific value(MJ/kg)≤4.2Heat release(MJ/m2)≤16.8working temperature(°C)-140×160Bending fracture force(/N)34Water absorption(%)<7size(MM)CustomizableFunctional productsWallboard, ventilation board and sandwich board

Advantages

Multi purpose phenolic foam board is available.

Main functions

Thermal insulation of internal and external walls, sandwich insulation of integrated room wallboard, roof insulation, floor insulation, air conditioning ventilation tube panel, etc

hot-sale product

Double sided filtering composite phenolic foam board

Removing aluminum foil wallboard

Single sided aluminum foil composite plate

Color steel composite sandwich phenolic board

Phenolic panel for vent pipe

Package delivery

Packaging: pallet packaging

Transportation: by sea

Payment: T / T

Product advantages

If you are looking for more details, kindly visit Shengquan.

It will not burn in case of fire, carbonize at high temperature, melt and shrink without falling objects

Very low thermal conductivity, 150 ℃ spray gun fire, no burning sensation on the back

High intensity

Weight 90kg personnel stampede clear foam foam sheet

Authentication

CE certification of phenolic board, ISO international quality system certification

Quality Control

Non foil phenolic board prenatal resin testing, in production specification confirmation, postpartum sizing, batch thermal conductivity testing, quality control are implemented in every link

Kingspan Kooltherm Phenolic Insulation Board - Materials Market

What Is The Difference Between PIR and Phenolic Insulation? 

Phenolic foam is often confused with PIR insulation due to the fact that these two materials share a lot of similarities.

Both PIR and phenolic are rigid thermoset foams that function as insulating cores between two facings. The main difference between them is the materials and the manufacturing process.

PIR foam is made from isocyanate and polyol. PIR insulation boards are manufactured in much the same way as Kingspan Kooltherm insulation. The main difference is that PIR insulation has to be cured for much longer than phenolic insulation. 

Whereas phenolic boards are cured before they are packed, manufacturers cure PIR boards after they have already been packed. The boards cure in a temperature-controlled environment for one day per each 25mm of thickness. 

Whilst PIR has good thermal insulating properties, phenolic excels in thermal performance, reaching lows of 0.018 W/mK compared to the 0.022 W/mK of PIR. Despite the many rigid thermoset insulation materials on the market, you will not find a lower thermal resistance figure than phenolic insulation. 

Both phenolic and PIR foam have combustible properties. However, they do deliver excellent protection against moisture and are ideal for areas with high rainfalls. Rot or fungi growth won't be an issue when you invest in phenolic insulation. 

Are Kingspan Phenolic Insulation Boards Flammable?

When fire touches phenolic foam insulation it undergoes thermal decomposition, which is called pyrolysis. 

There are two byproducts of pyrolysis: the first is pyrolysis gas and the second is a black char on the surface of the board. Pyrolysis gases are hot and combustible, meaning that phenolic insulation is not entirely anti-flammable. 

The fire resistance of insulation boards is measured against the Euroclass rating. Insulation materials undergo up to five different tests and get a rating that ranges from A (non-combustible) to F (very combustible). 

There are lots of Kingspan Kooltherm boards to choose from, which means that there are a few different ratings to consider when meeting thermal performance targets and building regulations.

Most Kooltherm boards have a rating of C on the Euroclass scale, meaning that they are classed as combustible materials with limited contribution to fire.

How Is Rigid Phenolic Insulation Made? 

To make phenolic insulation boards, Kingspan applies a layer of wet phenolic directly onto a facing. The plastic foam forms an insulating core and expands to meet the top layer, achieving the desired thickness. 

When phenolic dries, it becomes tacky. It adheres to the top and bottom facings to create thin sheet material. 

Kingspan cooks the resulting board under immense heat, then cures it in a second oven. Cooked and cured phenolic is a distinct pink colour, which is distinguishable from yellow PIR foam. 

The boards have very low thermal conductivity and provide the best thermal protection that you can buy. They can also withstand continuous temperatures of up to 120 degrees C, making them the ideal choice for high specification projects. 

Contact us to discuss your requirements of tunnel phenolic foam board(pt,ja,th). Our experienced sales team can help you identify the options that best suit your needs.

What Is A Cavity Closer? 

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