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INSUL-SORB

Insul-sorb Class ’0’ fire rated is manufactured by impregnating standard foam with liquid carbon, which is dried, and leaves a fire resistant acoustic foam which can withstand various ignition sources. Class ‘0’ is an accredited cellular acoustic foam which may be used in many applications. With its flexibility and non-irritant characteristics, it is a safe and easy to install product. Its durability has been proven on many prestigious projects throughout the world. Class ’0′ can be cut and shaped easily and safely. Do not confuse this product with standard fire-retardant foam Class ‘0’ is fire resistant not fire retardant, with the difference being fire retardant foam will burn until the ignition source is removed, whereas Class ‘0’ will not burn. High Density Open Cell Class ‘O’ foam has exceptional acoustic properties and is an excellent sound absorption material, it is a safer alternative to conventionally used products, it is easy and safe to handle, it does not erode or migrate in air movement and is non-fibrous eliminating the potential health hazards associated with fibrous products. It will readily accept facings, acoustic barrier layers and self-adhesive backing for ease of fixing.

 

Best used for: – Air-conditioning equipment and duct systems – Acoustic wall panelling and enclosures – Generator rooms – Engine bay compartments – Automotive and Marine applications – Prison mattresses – M.O.D. Vehicles

 

Technical Data

Method Result
BS 476 Part 5 Non-Ignition
BS 476 Part 6 1<12,1<6
BS 476 Part 7 Class “1”
BS 476 P6 & P7 Building Regulations Class “O”
BS EN ISO 4589-3 No ignition tested at 240°C, 300°C, 360°C and 380°C
UL94 Classification V-0, 94-5V
BS6853:1987 App. B.5.3 A0(max)<5
NES 713 <3.0
Method Result
Density (Kg/m3) 75 – 100
Hardness (N) 120 – 180
Tensile Strength (Kpa) >70
Elongation at Break (%) >90%
Thermal Conductivity(W/mK) 0.048 – 0.051
Erosion Resistance 6000 ft/min
Working Temperature (C) -40 - ~+110
CFC Free Yes

ASTM and BS EN 20354 (previously BS3638 : 1963) are both standard tests for measuring absorption co-efficient. ASTM C384 is a laboratory scale test measuring normal incidence co-efficient. Both methods give an indication of the potential performance of the material under the test. Whilst the latter reverberation room method may prove more relevant in most practical situations, neither test can predict overall performance in a real application.

Thickness (mm) Frequency (Hz)
125 250 500 1000 2000 4000
12 --- 0.04 0.14 0.15 0.29 0.54
25 --- 0.07 0.14 0.32 0.80 0.71
50 0.11 0.11 0.50 0.86 0.84 0.90
Thickness (mm) Frequency (Hz)
63 125 250 500 1000 2000 4000
12 --- 0.06 0.09 0.18 0.29 0.38 0.58
25 --- 0.09 0.22 0.38 0.52 0.63 0.73
50 0.05 0.24 0.47 0.75 0.84 0.87 1.02
100 0.12 0.41 1.01 1.10 0.96 1.03 1.06

 

INSUL-SORB is also available in a profiled form (also known as egg-box or convoluted). The acoustic absorption of these products is better than the equivalent flat thickness in the frequency range 250 to 1000 Hz

 

Absorption Co-efficient: BS EN 20354 (BS 3638) : 1963

Thickness before profiling (***) (mm) Frequency (Hz)
63 125 250 500 1000 2000 4000
25(*) 0.01 0.06 0.12 0.22 0.35 0.47 0.58
25(**) 0.01 0.05 0.12 0.21 0.32 0.39 0.51
50(*) 0.02 0.10 0.25 0.44 0.61 0.70 0.72
50(**) 0.02 0.10 0.23 0.42 0.56 0.60 0.70

 

 

  • (*) Profile side away from the noise source.
  • (**) Profile side towards the noise source.
  • (***) The actual sizes tested were
    25mm profiled to 2mm base 21mm rise
    50mm profiled to 7mm base 36mm rise

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As a “One-stop Insulation shop” Insulpro CC can offer insulation solutions across all temperature ranges and applications.

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Tel: 0118352127
Email: mail@insulpro.co.za
Address: 52 5th Street, Booysens Reserve, Johannesburg, 2091
Website: www.insulpro.co.za

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