Technical Specifications
HempWool is 92% hemp fiber and 8% textile polyester. The thermal resistance of our insulation is identical to the most commonly used batts insulation products. This insulation does not contain any VOCs since the product is made with no additives and is biobased. The thermal capacity of HempWool is superior to all insulations on the market because of its high density.
HempWool is ASTM Tested to the following standards:
ASTM C209 Density of insulation
Standard test method for cellulosic fiber insulating board
2.18lbs/ft3 / 35Kg/m3
ASTM C518 Thermal Resistance Standard test method for steady state thermal transmission properties by means of the heat flow meter apparatus
R-3.69
Thermal Conductivity Value of the insulating capacity of product designed for thermal performance 0.040W/m.K
ASTM E96 Standard Test Method for Water Vapor Transmission of Materials 0.647 Perms / 37ng/Pa.s.m2 ASTM E1354 Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products using and Oxygen Consumption Calorimeter Ignition Time = 6.67 (sec.)
Average Heat Release Rate (HRR) = 5.74 (Btu/s/ft2 ) / 65.17 (kW/m2 )
Total Heat Release (THR) = 642.8 (Btu/ft2 ) / 7.3 (MJ/m2 ) Heat Release Maximum Rate (PHRR) = 10.98 (Btu/s/ft2 ) / 124.66 (kW/m2 ) Total Smoke Release by Surface Unit (TSR) = 217.26 (ft2 /lb) / 44.5 (m2 /kg)
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