DOW™ LDPE 722 by Dow is a broad molecular weight distribution, low density polyethylene (LDPE) homopolymer. Exhibits optimal neck-in and draw-down performance, good impact, environmental stress cracking resistance (ESCR) and processability and excellent flexibility. Provides chemical stability, excellent aesthetics, printability, strength, tear resistance and elasticity. Designed for extrusion coating film process. Recommended for flexible packaging and paperboard coating applications such as liquid and juice, laminate tube, condiment pouches, dry foods packaging, snack foods packaging, moist foods packaging, sugar pouches, lidding stock, medical packaging and caps and closures. DOW™ LDPE 722 complies with Canadian HPFB No Objections (With Limitations), EU, No 10/2011, U.S. FDA 21 CFR 177.1520 (c) 2.2, U.S. FDA DMF and EU Directive 2011/65/EU (RoHS).
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Compliance
| Food Contact Approval | Visible After Login |
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DOW™ LDPE 722 properties
Films properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Water Vapor Transmission Rate | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 2% Secant Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Coefficient of Friction (COF) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Yield | 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 |
| Tensile Strength at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Impact Strength, Tensile | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Yield | 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 |
| Density, Base Resin | 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 |
|---|---|---|---|
| Brittleness Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT), Unannealed | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Peak Crystallization Temperature (DSC) (Crystalline Melt Temperature) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Seal Initiation Temperature | 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 |
DOW™ LDPE 722 Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Die Gap | Visible After Login | Visible After Login | |
| L/D Ratio | Visible After Login | Visible After Login | |
| Maximum Line Speed | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Minimum Coating Thickness | Visible After Login | Visible After Login | |
| Minimum Coating Weight | Visible After Login | Visible After Login | |
| Neck-in (610°F (321°C), 1.0 mil (25.4 µm)) | Visible After Login | Visible After Login | |
| Output | Visible After Login | Visible After Login | |
| Screw Size | Visible After Login | Visible After Login | |
| Screw speed | Visible After Login | Visible After Login | |



