| Grade |
Composition |
Features
and uses |
| NP-300 |
Special Polyether |
Nitrogen Included, High
Functionality,Dimensional stability |
| NP-400 |
Special Polyethe |
| KR-6350 |
Special Polyethe |
Low Viscosity |
| Grade |
Color(APHA) |
OH No.
(mgKOH/g) |
Total Amine No.
(Perchloric Acid Method) |
Water(%) |
Viscosity
(50¡É, CPS) |
| NP-300 |
100max |
730¡770 |
373¡403 |
0.2 max |
1400¡1800 |
| NP-400 |
100max |
680¡720 |
405¡435 |
0.2 max |
6700¡7100 |
| KR-6350 |
100max |
610¡660 |
305¡325 |
0.2 max |
16000¡20000
(25¡É, CPS) |
| ITEM |
Semi-Rigid Foam |
Rigid Foam |
Typical
Foam
Formulation
(part by
weight) |
GP-3000 |
80 |
75 |
GP-400 |
70 |
| NP-400 |
20 |
25 |
NP-300 |
30 |
| Water |
1.0 |
1.0 |
Silicone surfactant |
1.5 |
| Triethylene Diamine |
0.25 |
0.25 |
Freon-11 |
34 |
| Silicone Á¤Æ÷Á¦ |
1.0 |
1.0 |
C-MDI |
126 |
| Diethyl ethanol amine |
0.5 |
0.5 |
|
|
| TDI-80(Index) |
105 |
105 |
|
|
| Condition of Blowing |
Mixing Time(sec) |
7 |
7 |
Mixing Time(sec) |
5 |
| Rising Time(sec) |
70 |
60 |
Rising Time(sec) |
95 |
Physical
Property
of Foam |
Density(kg/§©) |
71.1 |
68.4 |
Density(kg/§©) |
30.0 |
| Tensile strength(kg/§²) |
1.23 |
1.57 |
Compression strength
Parallel
perpendicular |
(kg/§²)
2.61
1.08 |
| Elongation(%) |
59 |
50 |
| Tear strength(kg/§¯) |
0.51 |
0.62 |
Indentation load (Kg/50in©÷)
25% Deflection
65% Deflection |
45
118 |
51.5
210 |
Dimensional stability
70¡É 7days
110¡É 7days |
+1.4
+4.02 |
Compression set(%)
70%Deflection 70¡É 22Hr |
14.2 |
17.0 |
70¡É 95% RH 7days
-10¡É 7days |
+6.2
+0.23 |
