Technical datasheet
Marlex® 9659 Polyethylene
Supplied byChevron Phillips Chemical- Last Updated on Oct 3, 2025
Marlex® 9659 Polyethylene by Chevron Phillips Chemical is a high density polyethylene homopolymer. It is suitable for blown film extrusion application. This grade exhibits good moisture vapor barrier properties, paper-like film texture, exceptional drawdown and excellent stiffness. Marlex® 9659 Polyethylene is used in food packaging, co-extrusions, overwraps, deli wrap and moisture barrier films. It is FDA approved.
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Marlex® 9659 Polyethylene properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 1% Secant Modulus, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 1% Secant Modulus, TD | 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 |
| Film Tensile Strength at Break, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Film Tensile Strength at Break, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Dart Drop | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tear Strength, TD | 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 |
| Gas Transmission Rate, Oxygen | 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 |
| Water Vapor Transmission Rate | 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 |


