Seal of cooling towers
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HEATLOK SOY® - is a two component firm polyurethane foam. It is designed for all applications of insulation. The foam has excellent adhesion to various substrates, including itself.
HEATLOK SOY® - is foam, which is harmless for environment, based on soy, vegetable oils and recycled plastic, eco-friendly foam maker HFC 245 fa. Test of characteristics of the sprayed material “B217-0 Resin Heatlok” is made in accordance with the requirements of ASTM.
PHYSICAL PROPERTIES
| METHOD |
DESCRIBTION |
British units |
Metric units |
| ASTM D1622 |
Density |
2.1-2.3 Ib/ft3 |
50 kg/m3 |
| ASTM C518 |
Thermal resistance |
6,6 ft2 h F/BTU |
1.17 m2. C/w |
| ASTM D1621 |
Compression resistance |
28.3 psi |
144 kPa |
| ASTM D1623 |
Breaking strength |
51.5 psi |
355 kPa |
| ASTM D2126 |
Dimensional stability (28 days) At -20 C At +80 Ñ At + 70 Ñ, humidity 97% |
% volumetric change - 0.03 + 2.9 + 9.8 |
| ASTM D2842 |
Water absorption |
1 % |
| ASTM E96 |
Permeability for water vapor |
1.2 perms |
69ng/PasmI |
| CCMC 07273 |
Air penetration at 75 Pa |
13.1*10-8 fti/sftI |
0.00004 L/smI |
| ASTM E84-05 |
Characteristics of surface combustion |
ClassI |
| Flame spread index |
20 |
| Smoke generation |
450 |
| CAN/ULC S774 |
Emission of VOC foamed polyurethane |
Pass 1 day (no toxic gases) |
| ASTM C1338 |
Resistance to fungus |
Growth of fungus is not observed |
| ASTM D2856 |
Contents of closed cell |
92% |
PROPERTIES OF LIQUID COMPONENTS
| PROPERTIES |
IZOCYANATE A100 |
REZIN B200 |
| Color |
brown |
green |
| Viscosity at 77 F |
150-250 cps |
150-350 cps |
| Specific weight |
1.20-1.24 |
1.20-1.24 |
| shelf life * |
6 month |
6 month |
| Mix of proportion |
100 |
100 |
| Vapor pressure at 25 Ñ |
10-7 psi |
7-9 psi |
PROCESSING PARAMETERS
|
British units |
Metric units |
| Machine type |
Graco Reactor E-30 with Fusion Gun and 02 Mixing chamber |
| Temperature of components (À and Â) |
100 F |
38 C |
| Pressure of components (À and Â) |
850-1000 psi |
5860-6900 kPa |
| Environmental temperature |
73 F |
23 C |
| Thickness in one pass |
1 1/14 inches |
30 mm |
| Number of passes |
2 |
| Base |
Polythene film |
PROFILE OF THE REACTION FLOW
| Creamy consistency state, seconds |
Jelly consistency state, seconds |
Time of free sticking, sec |
Completion of increase volume, seconds |
| 0-1 |
2 |
4-5 |
4 |
RECOMMENDED PROCESSING CONDITIONS
|
British units |
Metric units |
| Mix of proportions |
1/1 |
| Temperature in sleeve |
100-120 F |
38-49 C |
| Addition of mixture |
800 psi |
5516 kPa |
| Temperature of the base and environment |
14 F |
-10 C |
| Curing temperature |
14 F |
-10 C |
| Maximal Thickness in one pass |
2 inch |
50 mm |
 
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