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Rockwool ใยหิน / Rockwool (ROXUL)
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ROCKWOOL FIBERTEX 450 / FIBERTEX R80
INDUSTRIAL BLANKET AND BOARD

Product Description
Fibertex 450 is a medium density mineral fibre for thermal and acoustical insulation. It consists of long, fine fibres, spun from molten natural rock and formed into resin bonded slab and blanket.

A suitable finish such as metal cladding is recommended to protect the insulation from weather or mechanical damage.

Fibertex 450 is supplied in flexible roll form and semi-rigid slab with good load bearing characteristics for a wide variety of applications, at both high and low temperatures.

Applications
Fibermesh-450 is recommended for thermal insulation of large Pipes, Flanges, Valves, cessels, Boilers, Heat exchangers, Reactors, Precipators for process temperature control, condensation control and personal protection of plant and equipment. It is also ideal for wrapping large curved surface and specially suitable where high temperatures combine with strong vibrations.

Fibermesh-450 is easily installed using welding pins, with the mesh facing outwards and securing with speed clips. The mesh joins may be laced together for extra strength.

Nominal Density
80 kg/m 3 (5 lb/ft 3)

Maximum Service Temperature
Recommended operating temperature up to 450 C (842 F) Capability of handling intermittent temperature up to 1000 C (1832 F)

Fusion Temperature
Fusion temperature or Melting point of rockwool at 1350 C (2462 F)

Thermal Conductivity
0.034 W/mK at 20 C mean temperature (0.235 BTU in/ft 2h F at 68 F)

Thermal conductivity of Fibertex-450 varies with the mean temperature as shown in graph according to BS 874-1973.

Insulation performance requirements may be specified in many different ways such as Thermal conductivity, Thermal resistance, Process temperature, Allowable surface temperature or Heat loss.

CSR Application Enginers will provide technical services and more details to meet any specification.

Factory Applied Facings
Product is available to order with ranges of factory applied facings such as various grades of aluminium foil, glass cloth, glass matt, polyester laminate.

Fire Performance
Fibertex-450 acheives four zero Early Fire Hazard Indices when tested in accordance with AS 15.30:Part 3-1976 (same as BS 476 : Part 5, 6, 7-1967) for non-combustible material.

Moisture Resistance
Exposure to an atmosphere of 50 C and 95% relative humidity for 96 hours results

In moisture absorption of less than 0.2% by volume. Should insulation become wet, full thermal efficiency will be restored on drying out.

Water repellent grade according to BS 2792 section 12 is available to order.

Corrosion Resistance
Fibertex-450 is faintly alkaline and is incapable of corroding steel, copper, or aluminium. To maintain this condition, protection must be provided against contamination from external sources. When tested in accordance with BS 3958: Part 5-1969, results in range of pH 7.5-8.0. Fibertex-450 contains less than 15ppm soluble chlorides. For critical applications involving austenitic stainless steel, a low chloride formulation is available to order.

Compression Resistance
Fibertex-450 is a resilient insulation material which readily recovers to original shape after removal of compressive load.

The graph shows the reduction in thickness (%) under compressive load (kPa), measured in accordance with BS 2972-1975.

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CSR Bradford Insulation Fibertex 450
Acoustic Properties

When tested in a reverberation chamber in accordance with AS 1045-1971 sound absorption coefficients of Fibertex-450 are shown in the table:

Thickness (mm.) NRC
25 0.75
50 0.98

NRC is the average sound absorption coefficient between 250 to 2000 Hz

Standard Size and Packing
Blanket
 Thickness (mm.) Size (mm.)
 25 5000x600
 50 5000x600
 100 2000x600
Board
 Thickness (mm.) Size (mm.)
 25 1200x600
 50 1200x600
 100 1200x600
* Possible thickness are 25-100 mm. Some thickness are subject to minimum order quantities.
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