Northstar Polymers MSS-A85C Ester Base Polyurethane
| Manufacturer | Northstar Polymers |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
Description
Material Notes:
This high performance polyester system is one of a family of polymer systems developed by Northstar Polymers for demanding work environments. Urethane elastomers molded with this system exhibit high tear strength, high tensile elongation, excellent oil resistance, and outstanding abrasion resistance. They also meet the requirements of 21 CFR 177.1680, FDA direct dry food contact. This combination of features makes elastomers molded from MSS-A85C perfect for many applications including the handling of wood chips, grain, sand, gravel and other commodities, mining, and many custom applications. For long-term use in constant aqueous environments, consider a polyether or hybrid product system.Information provided by Northstar Polymers.
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore A | 85 | 85 | ASTM D2240 |
| Tensile Strength | 40.0 MPa | 5800 psi | ASTM D412 |
| Elongation at Break | 725 % | 725 % | ASTM D412 |
| Tear Strength | 78.9 kN/m | 450 pli | Split; ASTM D624 |
| 127 kN/m | 725 pli | Die C; ASTM D624 | |
| Taber Abrasion, mg/1000 Cycles | 22 | 22 | ASTM D4060 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 25.0 °C | 77.0 °F | Curing Agent Temperature |
| 82.2 – 93.3 °C | 180 – 200 °F | Prepolymer Temperature | |
| Mold Temperature | 82.2 – 93.3 °C | 180 – 200 °F | |
| Cure Time | 30.0 min
@Temperature 93.3 °C
|
0.500 hour
@Temperature 200 °F
|
De-mold Time |
| 960 min
@Temperature 82.2 °C
|
16.0 hour
@Temperature 180 °F
|
Complete Cure Cycle | |
| Pot Life | 2.50 – 3.00 min | 2.50 – 3.00 min |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Curing Agent | BNA-005 | |
| Prepolymer | MSA-063 | |
| Weight Ratio | 1:0.068 | Prepolymer to Curing Agent Ratio |
