ROCKINSUL LRB Mattresses
ROCKINSUL LRB Mattresses are flexible rock fiber mattresses, stitched with wire mesh and manufactured from stable rock fibers bonded with a minimum quantity of thermosetting resin binder. ROCKINSUL LRB Mattresses are light weight, strong, resilient, easy to handle and cut to suit intricate shapes.
Standard dimensions
Thickness(mm)
Width(mm)
Length(m)
25 to 140
1220
1.52 to 4.00*
Standard density
Density(kg/m)
Thickness(mm)
80
40 - 110
100
25 - 100
120
25 - 100
144
25 - 100
150
25 - 100
* Non-standardized sizes and facing may be available on request
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Technical Data Sheet
Download Catalogue
Facing Types
ROCKINSUL LRB Mattresses are available with a galvanized steel or stainless steel hexagonal wire netting (mesh) on one or two sides.
Working Temperature
Up to 750 °C
Fire Safety Performance
ROCKINSUL LRB Mattresses are non-combustible when tested in accordance with IS 3144, BS 476 (part 4), ISO 1182 and ASTM E136 and have the following fire safety rating achievements:
  • Class I surface spread of flame in accordance to BS 476 (part 7)
  • Class 0 in accordance to the BS 476 (part 6 & 7) and to British Building Regulations
  • Class A1 in accordance with European norms
  • Show loss in total mass less than 5% when tested in accordance to IS 3144
  • Surface burning characteristics in accordance to ASTM E84
    a: Fire Spread Index: Less than 25
    b: Smoke Developed Index: Less than 50