Polyether/TDI type prepolymer
The products have good wear resistance, water resistance, mold resistance, excellent mechanical properties, and color can be added to adjust the color. It is used to make polyurethane products such as rubber stick, rubber wheel, plate, rubber coating and miscellaneous parts.
|
Model |
D1140 |
D1145 |
D1155 |
D1160 |
D1180 |
D1185 |
|
NCO/% |
4.0±0.2 |
4.5±0.2 |
5.5±0.2 |
6.0±0.2 |
8.0±0.2 |
8.5±0.2 |
| State at 20 ℃ |
Colorless Transparent Liquid |
|||||
| MOCA100g Prepolymer /g |
11.5 |
13.0 |
16.0 |
17.5 |
23 |
24.0 |
| Viscosity (85℃)/mPa·s |
340 |
300 |
250 |
250 |
450 |
400 |
| Mixing temperature /℃（Prepolymer/MOCA） |
80/120 |
80/120 |
80/120 |
80/120 |
75/110 |
75/110 |
| Gel time /min |
10 |
9.5 |
9 |
6 |
2 |
2 |
| Post vulcanization time (100℃) /h |
10 |
10 |
10 |
10 |
10 |
10 |
| Hardness（Shore A） |
78±2 |
82±2 |
88±1 |
92±1 |
|
|
| Hardness（Shore D） |
|
|
|
|
70±1 |
78±1 |
| 100% Modulus/MPa |
4.6 |
5.0 |
5.5 |
6.2 |
23.2 |
32.5 |
| 300% Modulus /MPa |
8.2 |
9.2 |
13.0 |
20.8 |
- |
- |
| Tensile strength /MPa |
27 |
28 |
32 |
35 |
39 |
42 |
| Elongation / % |
550 |
480 |
400 |
350 |
230 |
180 |
| Tear strength /（KN/m） |
46 |
55 |
76 |
78 |
123 |
145 |
| Rebound / % |
28 |
24 |
24 |
33 |
40 |
51 |
|
Density （24℃）/（g/ cm3） |
1.11 |
1.12 |
1.14 |
1.14 |
1.18 |
1.18 |
|
Din wear /mm³ |
148 |
112 |
109 |
141 |
131 |
89 |
|
Model |
D1230 |
D1235 |
D1240 |
D1245 |
D1250 |
D1262 |
D1265 |
D1270 |
|
NCO/% |
3.0±0.1 |
3.5±0.1 |
4.0±0.1 |
4.5±0.2 |
5.0±0.2 |
6.2±0.2 |
6.5±0.2 |
7.0±0.2 |
|
State at 20 ℃ |
Colorless Transparent Liquid |
|||||||
|
MOCA 100g Prepolymer /g |
8.6 |
10.3 |
11.5 |
13 |
14.5 |
18 |
19 |
20.5 |
|
Viscosity (85℃)/mPa·s |
200 |
250 |
350 |
400 |
450 |
240 |
300 |
400 |
|
Mixing temperature /℃（Prepolymer/MOCA） |
85/120 |
85/120 |
80/120 |
80/120 |
80/120 |
75/120 |
75/120 |
75/120 |
|
Gel time /min |
9 |
5 |
4.5 |
4 |
3.5 |
3 |
2.5 |
2 |
|
Post vulcanization time (100℃) /h |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
|
Hardness（Shore A） |
70±2 |
78±2 |
84±2 |
86±2 |
90±1 |
94±1 |
97±1（53D） |
60D±1 |
|
100% Modulus/MPa |
2.1 |
4.2 |
5.4 |
5.9 |
8.9 |
9.2 |
15.2 |
15.8 |
|
300% Modulus /MPa |
3.0 |
6.3 |
10.0 |
10.3 |
14.6 |
16.8 |
24.6 |
23 |
|
Tensile strength /MPa |
7 |
10 |
19 |
21 |
31 |
32 |
35 |
33 |
|
Elongation / % |
600 |
550 |
500 |
480 |
460 |
450 |
440 |
420 |
|
Tear strength /（KN/m） |
34 |
44 |
53 |
57 |
73 |
78 |
95 |
120 |
|
Rebound / % |
50 |
48 |
41 |
31 |
30 |
31 |
41 |
43 |
|
Density （24℃）/（g/ cm3） |
1.08 |
1.09 |
1.11 |
1.13 |
1.14 |
1.15 |
1.16 |
1.17 |
|
Din wear /mm³ |
163 |
159 |
116 |
157 |
135 |
117 |
143 |
135.6 |
