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Rockwool (Mineral Wool) Blanket

Plain rockwool blanket

It is the normal type, suitable for big diameter pipelines, flat and irregular surfaces, building walls with good thermal insulation and acoustic absorption effects.

Plain rockwool blanket

The blanket with glass cloth, aluminium foil or wire mesh on facing is available.

Rockwool blanket with aluminium foil facing

The product is designed for circular ducts, small equipment and air-conditioning system pipelines, with properties of good water-resistance, dust-proof, and perfect thermal insulation.

Rockwool blanket with aluminium foil

Rockwool blanket with wire mesh

The product is used under conditions of strong vibration and high temperature, also recommended for thermal insulation of boilers, vessels, flanges/ valves and big diameter or large irregular pipelines.

Rockwool blanket with wire mesh

Rockwool blanket with glass cloth Facing

The product is developed for large span equipment and building walls with good dust-proof performance.

Availability of rockwool blanket

  Plain Blanket With Glass Cloth Facing With Wire Mesh
Thickness
(mm)
Length (m)
40 50 60 80 60 80 100 80 100 130
kg/m3
25       10   10 10 10 10 10
30       8   8 8 8 8 8
40   6 6 6 6 6 6 6 6 6
50 5 5 5 5 5 5 5 5 5 5
60 4 4 4 4 4 4 4 4 4 4
75 3 3 3 3 3 3 3 3 3 3
80 3 3 3 3 3 3 3 3 3 3
100 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5

Width: 600mm

Aluminium foil
Thickness
(mm)
Length (m)
60kg/m3 80kg/m3 100kg/m3
25   10 10
30   8 8
40 6 6 6
50 5 5 5
60 4 4 4
75 3 3 3
80 3 3 3
100 2.5 2.5 2.5

Width: 600mm, Other size or density on request.

Thermal conductivity of rockwool products (typical figure)

Mean Temp
(oC)
K-value
(W/m.k)
Plain Blanket With Glass Cloth or Wire Mesh
Thickness 40 50 60 80 60 80 100 130
(mm) kg/m3
50 0.043 0.041 0.039 0.038 0.039 0.038 0.037 0.037
100 0.054 0.049 0.046 0.044 0.046 0.044 0.043 0.043
150 0.068 0.061 0.058 0.053 0.058 0.053 0.051 0.050
200 0.086 0.074 0.071 0.064 0.071 0.064 0.060 0.058
250 0.106 0.090 0.088 0.076 0.088 0.076 0.071 0.067
300 0.131 0.109 0.106 0.091 0.106 0.091 0.084 0.080
350   0.131 0.127 0.107 0.127 0.107 0.099 0.094
400       0.126   0.126 0.116 0.109
Mean Temp(oC) K-value(W/m.k)
With Aluminium Foil
50 0.039
100 0.047
150 0.058
200 0.070
250 0.085

Maximum service temperature of rockwool blanket

  • Plain Blanket: 450oC (850oF);
  • With Glass Cloth: 650oC (1200oF);
  • With Aluminium Foil: 250oC (480oF);
  • With Wire Mesh: 750oC (1400oF).

Sound Absorption of blanket

Hz Plain Blanket
(Thickness 75mm)
With Glass Cloth facing
(Thickness 75mm)
With Wire Mesh
(Thickness 75mm)
125 0.29 0.29 0.29
259 0.79 0.80 0.78
500 1.10 1.10 1.11
1000 1.07 1.05 1.10
2000 1.01 1.00 1.01
4000 0.99 0.98 0.98

The rockwool blanket is non-combustible, water-repellent, and non-hygroscopic.

The rock wool is neutral or slightly alkaline, and normally not support the growth of molds, fungi and bacteria.

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Factory Add:
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Tel:
86-755-8232 7155
86-755-8232 7156

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86-755-8232 7158

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