Blanket 80: 80 kg/m³ rockwool blanket rated to 650°C

Vulcanite Armor Blanket 80: 80 kg/m³ basalt-dolomite rock wool stitched to galvanised or stainless steel wire mesh. Hot surface performance 650°C (ASTM C411/C447), thermal conductivity 0.038 W/mK at 50°C (ASTM C335), Flame Spread Index 0 (ASTM E84). Complies with ASTM C592 Type I and III.

  • ASTM C592 Type I and III compliant
  • Flame Spread Index 0 (ASTM E84)
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Vulcanite Armor Blanket 80: 80 kg/m³ rock wool blanket rolls stitched to galvanised wire mesh
Vulcanite Armor rock wool blanket rolls, foil faced and wire mesh stitchedVulcanite Armor rock wool blanket fitted to industrial pipeworkRock wool blanket installed and clad on a process pipeCross section through an insulated pipe showing the rock wool blanket thicknessClose-up of the stitched wire mesh facing on Vulcanite Armor rock wool blanketVulcanite Armor rock wool blanket roll partly unrolled

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Dispatch within 24 hours. Delivery within 72 hours. Collection from Vulcanite, Centurion.

50mm × 1200mm × 5m6 m²/roll · galvanised meshOn backorder
R1 412,55per roll Incl. VATR1 228,30 Excl. VAT · R235,43/m²
75mm × 1200mm × 3m3.6 m²/roll · galvanised meshOn backorder
R1 254,51per roll Incl. VATR1 090,88 Excl. VAT · R348,48/m²
100mm × 1200mm × 3m3.6 m²/roll · galvanised meshOn backorder
R1 658,66per roll Incl. VATR1 442,31 Excl. VAT · R460,74/m²

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50 rolls or more, or a thickness we do not list

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Vulcanite Armor Blanket 80: 80 kg/m³ basalt-dolomite rock wool stitched to galvanised or stainless steel wire mesh. Hot surface performance 650°C (ASTM C411/C447), thermal conductivity 0.038 W/mK at 50°C (ASTM C335), Flame Spread Index 0 (ASTM E84). Complies with ASTM C592 Type I and III.

  • Density 80 kg/m³ (EN1602)
  • Hot surface performance 650°C (ASTM C411 / ASTM C447)
  • Thermal conductivity 0.038 W/mK at 50°C, 0.058 W/mK at 200°C, 0.094 W/mK at 350°C (ASTM C335)
  • Linear shrinkage max 0.40% at maximum use temperature (ASTM C356), the lowest of the three grades
  • Flame Spread Index 0, Smoke Developed 20 (ASTM E84); water absorption <1 kg/m² partial immersion (EN1609 / BS 2972)

Technical parameters

Property Blanket 80 Standard
Density 80 kg/m³ EN1602
Hot surface performance 650 °C ASTM C411 / ASTM C447
k-value at 50°C mean 0.038 W/mK ASTM C335
k-value at 100°C mean 0.045 W/mK ASTM C335
k-value at 150°C mean 0.053 W/mK ASTM C335
k-value at 200°C mean 0.058 W/mK ASTM C335
k-value at 250°C mean 0.069 W/mK ASTM C335
k-value at 300°C mean 0.081 W/mK ASTM C335
k-value at 350°C mean 0.094 W/mK ASTM C335
Linear shrinkage max 0.4 % ASTM C356
Flame Spread Index 0 ASTM E84
Smoke Developed Index 20 ASTM E84
Water absorption, partial immersion < 1 kg/m² EN1609 / BS 2972
Standards EN1602, ASTM C335, ASTM C411, ASTM C447, ASTM C356, ASTM E84, EN1609, BS 2972, ASTM C592 Type I and III

Applications

  • Thermal and acoustic insulation of large-diameter piping, ducts and vessels where the hot-face temperature does not exceed 650°C
  • HVAC and process ducting
  • Air handling
  • Storage vessels and tanks
  • Lower-temperature process piping

Choose this grade if

The hot surface is at or below 650°C, or the application is ducting and vessels rather than high-temperature steam lines. Not the grade for surfaces above 650°C.

Compare the range

Blanket 80 questions

What is the maximum hot surface temperature for Blanket 80?

Blanket 80 is rated for hot surfaces up to 650°C, tested to ASTM C411 and ASTM C447.

How much does Blanket 80 shrink at its rated temperature?

Linear shrinkage for Blanket 80 is a maximum of 0.40% at its maximum use temperature, tested to ASTM C356.

When should I choose Blanket 80 over Blanket 100?

Choose Blanket 80 when the hot surface stays at or below 650°C and the application is ducting or vessels rather than high-temperature steam lines.

Full technical parameters on the datasheet

Every grade, every mean temperature and every test standard on one sheet.

Download Datasheet PDF, 536 KB
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