L.R.B. MATTRESS

L.R.B. Mattress

The LRB Mattress is a high-density, heat-resistant insulation solution made from lightly resin-bonded rock wool. It comes in varying thickness and density options, offering effective temperature resistance up to 750°C.

Range
Facings

Product Performing Criteria

Parameter
Values
Standards
Thermal Conductivity (W/m.K)
0.059 at 200oC mean temperature
IS 8183
Thermal Resistance (m² K/W)
Calculated as per thickness and thermal conductivity of insulation

General Material Properties

Parameter
Values
Standards
Non-combustibility
Non-combustible / Incombustible
BS 476 Part 4, IS 8183
Surface Burning Characteristics : Flame Spread Index
≤ 25
ASTM E84, UL 723
Surface Burning Characteristics : Smoke Developed Index
≤ 50
ASTM E84, UL 723
Water Vapour Sorption
Less than 5% by volume
ASTM C1104, ASTM C1104M
Water Absorption (Kg/m2)
Less than 0.5
BS 2972 Part 11
Shot content
< 25%
IS 3144, IS 8183
Sulphur / Chloride
Chloride : less than 20 ppm Sulphur content : less than 0.2%
IS 3144, IS 8183
Mold growth
No fungal growth
IS 3144, IS 8183
Alkalinity
7 to 10
IS 8183

High Density

Low Binder

Semi-flexible Mat

Customized Length

Fewer joints and less wastage