Polyurethane Piston
Stock code
834261
Product Center
A professional manufacturer of ethylene oxide, propylene oxide, adipic acid downstream derivatives and polyurethane materials
Polytetrahydrofuran prepolymer series
Polyurethane Lining
Polyurethane Seal
Polyurethane Industrial Belt
Product Inquiry: Manager Liu 18553303677
Series Introduction:
Polytetrahydrofuran polyurethane products have good hydrolysis resistance, mildew resistance, acid and alkali resistance, weather resistance, good resilience, excellent mechanical properties, and can be added with pigments to adjust the color. They are used to make glue sticks, roller rollers, pipe linings, elevator wheels, seals, rubber wheels, ceramic industrial belts and some polyurethane elastomer parts.
Technical Indicators:
Model |
D2130
|
D2135
|
D2142
|
D2150
|
D2162
|
D2170
|
|
Prepolymer Properties |
|||||||
NCO Content ( % ) |
3.0±0.2 |
3.5±0.2 |
4.2±0.2 |
5.0±0.2 |
6.2±0.2 |
7.0±0.2 |
|
25 ℃Appearance |
White solid |
White solid |
White solid |
White solid |
White solid |
White solid |
|
Processing Technology |
|||||||
MOCA Dosage ( g/100g Prepolymer) |
8.7
|
10
|
12.1
|
14.3
|
17.5
|
20.5 |
|
Prepolymer Temperature ( ℃ ) |
85
|
80
|
80
|
80
|
75
|
75
|
|
MOCA Temperature ( ℃ ) |
115-120 |
115-120 |
115-120 |
115-120 |
115-120 |
115-120 |
|
Gel time ( min ) |
13
|
10
|
10
|
7
|
2
|
4.5
|
|
Post-curing time ( h/100℃ ) |
16
|
16
|
16
|
16
|
16
|
16
|
|
Hardness (Shore A ) |
GB/T 531.1 |
80±2 |
85±2 |
90±2 |
92±2 |
95±2 ( 49D±2 ) |
97±2 |
