| About |
|---|
| HWB-554 is a certified prime grade Hexene copolymer High Molecular Weight developed for BLOW MOLDING of high performance medium to large size industrial containers. HWB-554 features High-Swell, consistent processability, outstanding combination of ESCR, Impact strength, Stiffness, Creep resistance, and excellent chemical resistance. HWB-554 applications include 55 gallon drums, shipping containers, industrial tanks, agrochemicals, automotive parts, tool boxes, carrying cases, sport articles, ski and baggage car boxes. HWB-554 recommended processing temperature is 210 to 230°C.. HWB-554 complies with FDA regulation 21CFR 177.1520 (c) 3.2 (a) and with most international regulations concerning the use of Polyethylene in contact with food articles.&& |
| Product Description | |
|---|---|
| Generic | HMW-HDPE |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Good flexibility,High impact resistance,Food contact compliance,High molecular weight,Copolymer,Solvent resistance,Hexene copolymers,High ESCR |
| Availabilitys | Latin America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.954 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | ASTM D1238 | ||
| 190℃，2.16kg | 0.028 | g/10min | ASTM D1238 |
| 190℃，21.6kg | 5.0 | g/10min | ASTM D1238 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| Molded into shape, F50 | > 1000 | hr | ASTM D1693 |
| 50 ℃, 1.75 mm, 10% non-ionic surfactant, molded, F50 | 45.0 | hr | ASTM D1693B |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, molding | 26.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, molded | 800 | % | ASTM D638 |
| Bending modulus | |||
| 1% cut, molded | 1170 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile impact strength | 380 | kJ/m² | ASTM D1822 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 45.0 | ℃ | ASTM D648 |
| Embrittlement temperature | < -90.0 | ℃ | ASTM D746 |
| Vicat Softening Temp | 130 | ℃ | ASTM D1525 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Blowing molding temperature | 210 to 230 | ℃ |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Notched Bent Strip |
| 3. 2.0 in/min |
| 4. 0.051 in/min |
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