UMERIT® 631J by UBE is an antioxidant, anti-blocking, heat stabilized metallocene linear low-density polyethylene (mLLDPE) grade. It is produced using a gas phase process with a metallocene catalyst. It exhibits low odor, taste & gel, high strength, low-temperature heat-sealing properties and high processability. It also possesses good heat resistance, heat stability, flow, flexibility, toughness and stiffness. It can be processed using compression molding and injection molding. UMERIT® 631J is recommended for container lids and PP-HDPE (polypropylene high-density polyethylene) modifications.
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UMERIT® 631J properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore D | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Environmental Stress Cracking Resistance (ESCR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |