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Power-teK® RL 220
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Power-teK® RL 220 is a lightweight glass mineral wool mat (delivered in rolls).

With thicknesses up to 300 mm per layer, this mat delivers a cost  effective solution using a minimized number of layers. It is used for insulation of tanks, vessels and heat  storage tanks with a service service temperature up to 220°C, requiring strong thermal performance throughout thicker layers of insulation. It is usually used outdoors underneath additional cladding (weather protection).

Knauf Insulation Power-teK® RL 220 is produced with ECOSE® Technology, a patented binder system, based entirely on renewable raw materials.

APPLICATION

  • Tank walls & heat storage

The product is recommended for thermal, fire and sound insulation of the defined applications within technical insulation:

  • where a lightweight insulation solution is required
  • strong thermal performance is needed
  • fast installation due to reduced layers of insulation material is required
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Power-teK® RL 220
Description & Details
Documents

Description & Details

Power-teK® RL 220 is a lightweight glass mineral wool mat (delivered in rolls).

With thicknesses up to 300 mm per layer, this mat delivers a cost  effective solution using a minimized number of layers. It is used for insulation of tanks, vessels and heat  storage tanks with a service service temperature up to 220°C, requiring strong thermal performance throughout thicker layers of insulation. It is usually used outdoors underneath additional cladding (weather protection).

Knauf Insulation Power-teK® RL 220 is produced with ECOSE® Technology, a patented binder system, based entirely on renewable raw materials.

APPLICATION

  • Tank walls & heat storage

The product is recommended for thermal, fire and sound insulation of the defined applications within technical insulation:

  • where a lightweight insulation solution is required
  • strong thermal performance is needed
  • fast installation due to reduced layers of insulation material is required

THERMAL CONDUCTIVITY CALCULATOR

Downloads

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Technical Data Sheets
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DoP Power-teK RL 220
pdf/14 Jan 2026/517.2 KB
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Knauf Insulation TS Product catalogue _EN 2025
pdf/10 Oct 2025/8.2 MB
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Power-teK RL 220 Full insulation power with less layers_flyer
pdf/12 Aug 2021/299.6 KB
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Technical data sheet Power-teK RL 220 TDS
pdf/20 Nov 2025/212.4 KB
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Specification text Power-teK RL 220
docx/3 May 2023/20.6 KB
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CoCoP plant Krupka (proof of CE for EN 14303)_Power-teK RL 220
pdf/3 Mar 2022/109.3 KB
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KI TS Power-teK brochure__Power of insulation in industry _EN
pdf/6 May 2025/1.5 MB
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KITS_EPD Power-teK RL 220
pdf/18 Jun 2025/934.6 KB
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KITS_EPD Power-teK RL 220 ALU
pdf/18 Jun 2025/921.3 KB
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Packaging specifications Power-teK RL 220
pdf/15 Sep 2025/34.3 KB
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Technical data

Attribute nameSymbolValueUnitNorm
Thermal conductivity (50ºC)0,042W/(mK)
Reaction to fireA1
Density22kg/m3
Maximum service temperature220ºC
Product typeRoll
Thermal conductivity (10ºC)0,034W/(mK)
Insulation solution for:Industry