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Yes, you can heat seal polypropylene, but it must be done carefully to avoid any risk of melting or distortion. It’s important to use the right kind of sealer for this material, because low-quality equipment may not be able to maintain a high enough temperature. Here at Valdamark, we can provide reliable, high-powered heat sealer machines, which are designed to heat seal polypropylene and a wide range of other thermoplastic packaging materials.