EARTHANE POLYURETHANE RESIN
Patented Water Blown Spray Foam System
Description
Sprayable resin system for rigid, closed-cell,
low k-factor urethane foams. Designed
especially for applications with two-component spray equipment capable of
handling material with short reaction time.
Features
R-6.5 per inch
Excellent cold
weather application performance
Excellent compatibility of components—B component stays in suspension
Fine uniform cell structure with good strength and dimensional stability
Applications
Thermal insulation for
building construction, roofing, siding, floors, wall cavities… new or
retrofit. EARTHANE is also suitable to
insulate tanks, vessels, piping, cold or wherever a 1.8 to 3 pound density
superior insulation is required.
Typical Physical
Characteristics of The Foam:
Property
1.8
2.1
3.0
Density, pcf-sprayed
1.7-1.8
1.9-2.1
2.9-3.2
K Factor-aged (B.T.U in/ft2·hr·°F)
0.166
0.168
0.169
Compressive Strength
25 psi
28 psi
48 psi
Shear Strength
22 psi
24 psi
39 psi
Water Vapor Transmission (Perms/Inch)
2.5
2.8
2.0
Humid Aging, 158°F/98% RH,
one week
Volume
change
-2.65
-2.6
-1.67
Weight
change
-1.15
+1.1
+0.75
Reactivity Characteristics (Laboratory Analysis):
Winter
Regular
Summer
Cream Time
2-3 seconds
3-5 seconds
5-7 seconds
Rise Time
6-10 seconds
10-18 seconds
18-24 seconds
Tack Free
12-15 minutes
14-16 minutes
16-18 minutes
Cure Time
4 hours
3-5 seconds
4 hours
Liquid Component Properties:
Property
Prepolymer
Resin
Color
Dark Brown
Dark Amber/Dark Brown
Specific Gravity
1.27
1.08
Weight per Gallon
10.5 lb
11.0 lb
Viscosity-Brookfield
300 cps
350-450 cps
Mixing Ratio by Volume
100
100
Fire
Hazard* Classification (ASTM-E84)(ANSI 2.5)(NFPA 255)(UL-723):
FOAM THICKNESS
FLAME SPREAD
SMOKE DEVELOPED
Nominal 2 inch
20
425
*This numerical flame spread rating and all other test data are
not intended to reflect hazards presented by this or any other material under actual fire conditions.
WARNING: Polyurethane products manufactured or produced from these chemicals may present a serious fire hazard if improperly used or allowed to remain exposed or unprotected. The character and magnitude of any such hazard will depend upon a broad range of factors which are controlled or influenced by the manufacturer, applicator, or production process by the mode of application orinstallation and usage of the particular end product. Each person, firm, or corporation engaged in the manufacture, production, application, installation, or use of any polyurethane materials should carefully determine whether there is a potential fire hazard associated with such product in a specific usage, and utilize all appropriate precautionary and safety measures as outlined in local, state, and federal regulations governing the manufacture of products in the construction and/or renovation of commercial or residential structures. The information herein is to assist customers in determining whether our products are suitable for their applications. Our products are intended for sale to industrial and commercial customers. We request that customers inspect and test our products before use and satisfy themselves as to contents and suitability. We warrant that our products will meet our written specifications. Nothing herein shall constitute any other warranty express or implied, including any warranty of merchantability or fitness. Nor is protection from any law or patent to be inferred. All patent rights are reserved. The exclusive remedy for all proven claims is replacement of our materials and in no event shall we be liable for special, incidental, or consequential damages.
