T-Shirt and Vest Bag Compound (PLA/PBAT)

About This Product

The compound is a cost-optimised film-grade pellet blend of polylactic acid and polybutylene adipate terephthalate for high-volume carrier bag production. It remains a fully biodegradable PLA/PBAT system and runs on standard blown film equipment, with no change of route from the other film grades in the range. Carrier bags are a volume business and the formulation reflects that: this grade trades some of the performance headroom of the food-contact compounds for a lower cost per bag, which is the constraint that actually decides these contracts. Headroom is the margin a formulation carries above the minimum the application requires, and a carrier bag is where that margin is worth least, because the bag is filled once, carried and emptied. The specification is set by a single handling cycle rather than by a parcel sortation network, a season in a field or a food-safety audit, so the PLA/PBAT ratio, the gauge and the additive package can be set to the bag weight the contract is priced on rather than to the highest property the chemistry could reach. Where the bag will carry unwrapped food, specify the food-contact grade instead. It is used in carrier and vest bags, retail checkout bags, high-volume bag conversion and general retail despatch. Bio Green Chem supplies the T-shirt and vest bag compound to specification on PLA/PBAT ratio, melt flow, film gauge and finished bag weight, as a raw material for processing on the buyer's own line; we do not produce finished articles.