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MicroRock Blanket stone-wool blanket

Microfiber

MicroRock Blanket stone-wool blanket

Stone-wool blanket for industrial work — large pipes, tanks, boilers and high-pressure steam pipes; maximum service temperature 650 °C per the maker.

Thickness
50–100 mm
Density
60–100 kg/m³
Maximum service temperature
650 °C ASTM C411 · ASTM C447

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See all models and sizesManufacturer documentsTechnical specifications

Product details

Industrial and high-temperature insulationStone wool (rock wool)Microfiber

Stone-wool blanket for industrial work · MR-BL9380, MR-BL9580, MR-BL9600

Thickness
50–100 mm
Density
60–100 kg/m³
Maximum service temperature
650 °C ASTM C411 · ASTM C447
Thermal conductivity (λ)
0.036 / 0.039 / 0.046 / 0.049 / 0.050 / 0.057 / 0.064 W/m·K at 23 / 93 / 149 / 204 / 260 / 360 / 371 °C · ASTM C177

What is it?

MicroRock Blanket from Microfiber is a stone-wool blanket for industrial work in three density models: MR-BL9380 (60 kg/m³), MR-BL9580 (80 kg/m³) and MR-BL9600 (100 kg/m³), thickness range 25–100 mm. It wraps large pipes, tanks, boilers, high-pressure steam pipes and process piping: cut to length, wrap tightly, stitch the edges with steel wire and secure with pins or steel bands.

What is it made of?

Stone wool (rock wool) · Facing: Bare or aluminium foil (per the maker table) · Blanket

Which sizes are available?

Thickness 50–100 mm · 60–100 kg/m³ — Choose a size

Where does the data come from?

MicroRock Blanket Series — General Product Information

Technical data from the manufacturer's documents Microfiber · Checked 12 Oct 2026

Technical specifications

All values come from the manufacturer's documents, with conditions and test standards. Values the documents do not state are not shown.

PropertyValueConditions / standardSource
Maximum service temperature650 °CASTM C411 · ASTM C447MicroRock Blanket Series — General Product Information, p. 3
Thermal conductivity (λ)0.036 / 0.039 / 0.046 / 0.049 / 0.050 / 0.057 / 0.064 W/m·Kat 23 / 93 / 149 / 204 / 260 / 360 / 371 °C · ASTM C177MicroRock Blanket Series — General Product Information, p. 3
Density60 / 80 / 100 kg/m³MR-BL9380 / MR-BL9580 / MR-BL9600 · ASTM C167MicroRock Blanket Series — General Product Information, p. 3
Thickness25 – 100 mm—MicroRock Blanket Series — General Product Information, p. 3
Reaction to fireNon-combustible · Flame spread = 0 · Smoke development = 5ISO EN 1182:2010 · BS 476-04 · ASTM E84MicroRock Blanket Series — General Product Information, p. 3
Linear shrinkage< 2%ASTM C356MicroRock Blanket Series — General Product Information, p. 3
Water absorption< 1 kg/m²BS EN 1609:2013MicroRock Blanket Series — General Product Information, p. 3
Chloride contentLess than 10 ppmASTM C871MicroRock Blanket Series — General Product Information, p. 3
pH index< 10ASTM C871MicroRock Blanket Series — General Product Information, p. 3

Models and sizes available

ModelThickness (mm)Density (kg/m³)Width (mm)Length (mm)
MR-BL938050606005000
MR-BL958075806003000
MR-BL96001001006003000

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Applications

FactoriesFactory roofs, machine noise and hot pipeworkPipesAC, chilled-water, hot-water and steam pipes

Highlights

  • Maximum service temperature 650 °C
  • Three densities 60 / 80 / 100 kg/m³
  • k published up to 371 °C

Manufacturer documents

MicroRock Blanket Series — General Product InformationPDF · Microfiber Industries · EN

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