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Common Properties :
Fire Resistant:
Insul Inc Rockwool is non combustible when tested according to ASTM E-136-82 / BS 476 P4 1970 / DIN4102.
Early Fire Hazard Indices:
Ignitability: 0; Heat Evolved:0; Spread of Flame: 0; Smoke Developed: 0. Fusion Temperature: in excess of 1150 deg C.
Chemical Neutrality:
Insul Inc rockwool is chemically neutral. It will neither cause nor promote
corrosion. It meets the requirements of the standard specifications for use over austenitic stainless steel
ASTM C 795-77 when measured acording to standard methods ASTM C 692-77 (corrosion test) and ASTM C 871-77 (chemical analysis).
Sound Absorption:
Sound absorption coefficients are based on 50mm thick sample measured in reverberation
chamber in accordance with BS 3638-1987.
Moisture Resistant:
Unaffected by moisture and high humidity. Completely Asbestos Free. Vermin Resistant. Fungi Resistant.
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Technical Data
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ITEM |
TYPE |
|
Standard |
High Purity |
High Aluminum |
Zirconium contained |
|
STD |
HP |
HA |
HZ |
|
Chemical Composition |
Al2O3 (%) |
³ 45 |
47-49 |
52-57 |
ZrO2³ 15 |
|
Al2O3 + SiO2 (%) |
³ 96 |
³ 99 |
³ 99 |
Al2O3 + SiO2 + ZrO2³ 99 |
|
Fe2O3(%) |
£ 1.2 |
£ 0.2 |
£ 0.2 |
£ 0.2 |
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Others (%) |
£ 0.5 |
£ 0.2 |
£ 0.2 |
£ 0.2 |
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Physical
Properties |
Diameter of Fibre |
2-4 |
2-4 |
2-4 |
2-4 |
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Density
(Kg/cu m) |
64, 96, 128, 160 |
96, 128, 160 |
96, 128, 160 |
96, 128, 160 |
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Melting Temperature
(deg C) |
1590 |
1760 |
1790 |
1800 |
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Grad Classification Temperature
(deg C) |
1200 |
1260 |
1400 |
1450 |
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Permanent Service Temperature
(deg C) |
1000 |
1100 |
1200 |
1350 |
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Rate of Liner(%) Shrinkage on Heating
(deg C/h) |
£ 5 (1150 deg C x 6h) |
£ 4 (1200 deg C x 6h) |
£ 4 (1300 deg C x 6h) |
£ 4 (1450 deg C x 6h) |
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Wind Erosion
Resistance (m/sec) |
~ 25 |
~ 25 |
~ 25 |
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Tensile Strength (Mpa)(128 Kg/cu m) |
³ 0.2 |
³ 0.2 |
³ 0.2 |
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Thermal Conductivity |
£ 0.14 |
£ 0.13 |
£ 0.11 |
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Specification |
Blanket |
Common Specification: 7200 x 610 x 10 ~ 50, Other specification can be made according to customer’s requirement. |
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Z-Blank |
Common Specification: 610 x 350 x 150 ~ 250, Other specification can be made according to customer’s requirements. |
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Module |
Produce various anchoring-structure madules according to drawings to drawings provided by customers. |
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