Polyurethane Seals
Polyether type prepolymer series
Product Inquiry: Manager Liu 18553303677
Series Introduction:
Polyether prepolymer products have good water resistance, mildew resistance, weather resistance, good resilience, excellent mechanical properties, simple process operation, good product fluidity, and can be added with pigments to adjust the color, used for making plates and rods, logistics rollers, pipe linings, positioning blocks, rubber wheels and some polyurethane elastomer miscellaneous parts.
Technical Indicators:
Model |
D1145
|
D1155
|
D1160
|
|
Prepolymer Properties |
||||
NCO Content ( % ) |
4.5±0.2 |
5.5±0.2 |
6.0±0.2 |
|
25 ℃Appearance |
Colorless transparent liquid |
|||
Processing Technology |
||||
MOCA Dosage ( g/100g Prepolymer) |
13.0 |
16.0 |
17.5 |
|
Prepolymer Temperature ( ℃ ) |
80 |
80 |
80 |
|
MOCA Temperature ( ℃ ) |
115-120 |
115-120 |
115-120 |
|
Gel time ( min ) |
10 |
9 |
6 |
|
Post-curing time ( h/100℃ ) |
16 |
16 |
16 |
|
Hardness (Shore A ) |
GB/T531.1 |
82±2 |
88±2 |
92±2 |
Model |
D1230
|
D1245
|
D1250
|
|
Prepolymer Properties |
||||
NCO Content ( % ) |
3.0±0.2 |
4.5±0.2 |
5.0±0.2 |
|
25 ℃Appearance |
Colorless transparent liquid |
|||
Processing Technology |
||||
MOCA Dosage ( g/100g Prepolymer) |
8.6 |
13 |
14.5 |
|
Prepolymer Temperature ( ℃ ) |
80 |
80 |
80 |
|
MOCA Temperature ( ℃ ) |
120 |
120 |
120 |
|
Gel time ( min ) |
8 |
4 |
3.5 |
|
Post-curing time ( h/100℃ ) |
16 |
16 |
16 |
|
Hardness (Shore A ) |
GB/T531.1 |
70±2 |
86 ± 2
|
90±2 |
Type Number |
D1353 | D1265
|
|
Prepolymer Properties |
|||
NCO Content ( % ) |
5.3±0.2 |
6.5±0.2 |
|
25 ℃Appearance |
Colorless transparent liquid |
Colorless transparent liquid |
|
Processing Technology |
|||
MOCA Dosage ( g/100g Prepolymer) |
15.4 |
19
|
|
Prepolymer Temperature ( ℃ ) |
80 |
75 |
|
MOCA Temperature ( ℃ ) |
120 |
120 |
|
Gel time ( min ) |
3 |
2.5
|
|
Post-curing time ( h/100℃ ) |
16 |
16 |
|
Hardness (Shore A ) |
GB/T531.1 |
92±2 |
96 ± 2 |