rigorous (Adjective). Manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration. rigorous (Adjective). Severe; intense; inclement; as, a rigorous winter.
Polylactic acid or polylactide (PLA, Poly) is a biodegradable thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States and Canada), tapioca roots, chips or starch (mostly in Asia), or sugarcane (in the rest of the world).eing able to degrade into innocuous lactic acid, PLA is used as medical implants in the form of anchors, screws, plates, pins, rods, and as a mesh. Depending on the exact type used, it breaks down inside the body within 6 months to 2 years.
Compostable Straws. Renewable & Compostable Straws are the ideal finishing touch for cold beverages. Made from PLA, a plant-based plastic, these straws go perfectly with our GreenStripeÂ® Cold Cups. They also fit our BlueStripeâ¢ Cold Cups. 100% renewable, BPI certified compostable and ASTM compliant. 1  Details. 2  Benefits. 3  Sales Tools. 4  Carbon Footprint. 5  Made from 100% renewable resources. 6  Meet ASTM standards for compostability. 7  Made with PLA, a plant-based plastic. 8  Pair with our GreenStripeÂ® Cold Cups and Lids for a completely compostable solution. 9  Traditional plastics are made from ...