INROCK® LRB MATTS
Lightly resin bonded mattresses (LRB) consist of fine fibers spun from a range of selected rocks melted at high temperature bonded with a thermosetting resin.\
Lightly resin bonded mattresses (LRB) are light weight, strong, resilient, and easy to handle and cut to suit intricate shapes.
Lightly resin bonded mattresses (LRB) consist of fine fibers spun from a range of selected rocks melted at high temperature bonded with a thermosetting resin.
Lightly resin bonded mattresses (LRB) are light weight, strong, resilient, and easy to handle and cut to suit intricate shapes.
FACINGS:
Lightly resin bonded mattresses (LRB) are available with galvanized or stainless steel hexagonal wire mesh on one side or plain.
STANDARD DIMENSIONS:
Thickness (mm) | Width (mm) | Length (mm) |
50 to 100 | 1220 | 1520 – 1640 |
As per customer request

STANDARD DENSITY
Density | Thickness |
Kg/m3 | mm |
85 | 50-100 |
100 | 50-100 |
120 | 50-100 |
128 | 50-100 |
140 | 50-100 |
144 | 50-100 |
150 | 50-100 |
160 | 50-100 |
TECHNICAL DATA:-
Temperature Range | Up to 750°C (As per IS:8183:94 & IS:3144) |
Chemical Composition | Chloride content- less than 10 mg/kg Sulphur Content – 0.6% Oil Content – 0.2% Carbon content- 0.3% |
PH value | 7 to 8 |
Fiber Properties | Fiber Diameter – less than 7 microns Shot content – Less than 5% of total weight (less than 5% on 500 micron & 15 % retention on 250 micron) |
Fire properties | Fire spread index – less than 5 Smoke developed index – less than 50 |
Product Specification | Size – 1640 mm x 1220 mm Density – 85 Kg/ m3 to 160 Kg/ m3 Thickness – 50 mm to 100 mm Facing: GI/SS Hexagonal wire IS: 8183 and ASTM C 592 IS: 3677 & IS: 3144 |
Physical properties | CFC &HCFC free Asbestos free Corrosion resistance Non capillary attraction Linear shrinkage less than 2 % |
Recovery After Compression | More than 90% of original thickness |
Moisture absorption | Less than 2 % |
Biological properties | Non –hygroscopic Rot proof |
Environmental effect | Does not affect Ozone depletion potential(ODP) Global warming potential (GWP)<5 |

THERMAL CONDUCTIVITY TABLE
(As Per IS: 8183, IS: 3677, IS: 3346/ ASTM C 518/ ASTM C 177)
Mean Temp. (oC) |
K Value(W/m.K) at different Mean Temperature and various density | |||||
Density Kg/m3 | ||||||
85 | 100 | 120 | 128 | 144 | 150 | |
50 | 0.038 | 0.037 | 0.038 | 0.039 | 0.039 | 0.039 |
100 | 0.044 | 0.043 | 0.045 | 0.046 | 0.046 | 0.046 |
150 | 0.053 | 0.051 | 0.051 | 0.052 | 0.051 | 0.052 |
200 | 0.062 | 0.060 | 0.060 | 0.060 | 0.059 | 0.059 |
250 | 0.070 | 0.069 | 0.070 | 0.070 | 0.069 | 0.069 |
300 | 0.086 | 0.082 | 0.083 | 0.082 | 0.081 | 0.081 |
350 | 0.102 | 0.095 | 0.091 | 0.091 | 0.091 | 0.091 |


APPLICATIONS:-
- Tanks
- Irregular shape
- Large Vessels
- Boilers
- Ovens
- HVAC Duct
- Textile Machinery Equipment
- Power Plant
- Furnace
- Flanges
- Valves
- Steam pipeline
- Reactor
FEATURES:-
- Low Thermal Conductivity
- High-Temperature Application
- High Durability
- Excellent sound absorption
- Non – hygroscopic
- Water Resistance
- Weather Proof
- Non-Combustible
- Fire Protective
- Non-Capillary
- Deformation Resistant
- Easy to handle
- Easy to cut
- Easy to application
- Non-corrosive
- Non-carcinogenic
- Prevent thermal shock
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Amisha Sharma –
Very useful product