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When selecting raw materials for Cast Polypropylene (CPP) films, the choice between Terpolymer and Copolymer Polypropylene is critical. While both are copolymers, the addition of a third monomer in Terpolymers like Hanwha TotalEnergies TF451 leads to distinct performance advantages, clearly visible in material data.
The table below compares typical properties of standard Copolymer PP and a Terpolymer PP such as TF451:
Property | Copolymer PP (Typical) | Terpolymer PP (e.g., TF451) | Key Takeaway |
Heat Seal Initiation Temp. | Higher (125-135°C) | Significantly Lower (<110°C) | Clear advantage for Terpolymer, enabling faster packaging speeds and energy savings. |
Low-Temperature Impact Strength | Standard | Superior | The more flexible chain structure of Terpolymers reduces film brittleness in cold conditions. |
Clarity / Gloss | Good | Excellent | Modified crystallization behavior results in films with superior optical properties. |
Metallization Suitability | Adequate | Excellent | More consistent surface properties provide an ideal substrate for superior aluminum layer adhesion. |
Conclusion: By intentionally disrupting the polymer chain regularity, Terpolymer PP sacrifices some attributes but gains significantly in heat seal performance, low-temperature toughness, and optical clarity. For high-performance, high-efficiency CPP film production, Terpolymer PP often presents a more cost-effective and reliable solution.
Call to Action (CTA): Need solid data for your material selection? Contact our technical team to request the full data sheet for TF451 or discuss a comparative trial. (Email: may@qdmfmy.com).
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