|
Aromatic polyester
(phthalic anhydride based) OH value
235 mg KOH/g |
100 |
|
|
|
2-(2-hydroxyethoxy)ethyl 2-hydroxypropyl 3,4,5,6-tetrabromophthalate
diol (CAS # 20566-35-2) |
7.5 |
|
|
Tris(2-chloropropyl) phosphate (CAS # 6145-73-9) |
15 |
|
|
Silicone surfactant |
3.1 |
|
|
1,1,4,7,7-Pentamethyldiethylenetriamine PMDETA
(CAS # 3030-47-5) |
0.6 |
|
|
Potassium octoate (CAS # 3164-85-0) |
3.7 |
|
|
Water |
1.5 |
|
|
n-Pentane (CAS # 109-66-0) |
25 |
|
|
Polymeric MDI
(isocyanate equivalent 135) |
282 |
|
|
Isocyanate index
|
340
|
|
|
Reaction profile, sec
|
|
|
|
Cream
|
2
|
|
|
Gel
|
22
|
|
| Physical Properties |
|
|
| Core density, pcf (kg/m3) |
2.1 (33.6)
|
|
| k-factor
(BTU.in/ft2hr°F)
(after 2 month) |
0.17
|
|
| Closed Cells, % |
90
|
|
| Friability (weight loss) % |
4
|
|
| Dimensional stability, cold age at
-30°C, DV |
0
|
|
| Dry age 100°C, DV |
0
|
|
| ASTM E-84 Flame spread/ smoke
developed |
30/90
|
|
|
The isocyanurate formation in the foam will depend on temperature
and catalyst concentration. At lower temperature the catalyst might
have to be increased.
|
