It’s used to make rods, caster wheels, rollers, Sealing rings, sieve plates. It is specially used for some high performance Pu products.
Characteristic: Excellent abrasion resistance, Nice mechanical properties, High temperature resistance, Acid resistance, color can be regulated by adding pigment.
SPECIFICATION|
Type |
D4136 |
D4336 |
D4155 |
D4160 |
D4190 |
D4590 |
|
NCO content /% |
3.3±0.1 |
3.6±0.2 |
5.5±0.2 |
6.0±0.2 |
9.0±0.2 |
9.0±0.2 |
|
Appearance at 20 ℃ |
White solid |
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|
Curing agent 100g PU Prepolymer/g |
MOCA 9.7 |
MOCA 10.5 |
MOCA 16 |
MOCA 17.5 |
MOCA 25.5 |
BDO 9 |
|
Mixing temperature /℃（PU Prepolymer） |
90/120 |
90/120 |
75/110 |
80/120 |
70/110 |
80/40 |
|
Gel time /min |
8 |
8 |
5 |
4.5 |
2 |
5 |
|
Hardness (Shore A） |
60±1 |
82±1 |
91±1 |
94±1 |
75D |
93±2 |