PRIMACOR™ 3440 by SK geo centric is an ethylene acrylic acid (EAA) copolymer grade available in the form of pellets. Exhibits excellent heat sealability & toughness, hot tack, insensitivity to moisture, excellent adhesion to metallic, paper & PE substrates and stress crack resistance. Is suitable for processing by extrusion coating. Recommended for high line speeds, sealant and adhesive layer in flexible packaging and liquid packaging laminates. PRIMACOR™ 3440 complies with U.S. FDA 21 CFR 177.1310(a)(1) and EU No. 10/2011.
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PRIMACOR™ 3440 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strain | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 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 |
|---|---|---|---|
| Comonomer Content | 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 |
| Neck-in | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Vapor Transmission Rate (WVTR) | 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 |
| 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 |
PRIMACOR™ 3440 Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Air Gap | Visible After Login | Visible After Login | |
| Die Gap | Visible After Login | Visible After Login | |
| L/D Ratio | 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 | |
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