Tube Materials

Polypropylene

Grainger: - https://www.grainger.com/product/Tubing-Polypropylene-4VXX6 - Clarity: Semi-Clear - Length: 100 ft - Cost: $222 - OD: 5/8" - ID: 1/2" - Hardness: Rockwell R 60 - $244.31/ each - Hardness Options: Rockwell R 60 / R 70 / R 77

Hoopologie - https://www.hoopologie.com/natural-clear-polypro-tubing - 5/8" outer, 1/2" inner - 100ft bulk - large coil - $67.99 x2 - large 24" hub - 100ft bulk - small coil - $48.99 x2 - 12" hubs - 10ft - $13/$17 - 20ft - $23/$25 - Shipping - $13 - more susceptible in the cold to cracks and breaks vs HDPE

Professionalplastics - Natural Polypropylene Tube - $105.00 - 0.375 ID X .5 OD X 100 FT - https://www.professionalplastics.com/POLYPROTUBING

Alsco Industrial - $66 - Out of stock - https://alscoplastics.com/products/hudson-polypropylene-tubing?variant=43540721467651

US Plastics - $50 - $23 shipping - https://www.usplastic.com/catalog/item.aspx?itemid=27918&catid=713

McMaster - $11, semihard - 10ft - https://www.mcmaster.com/products/tubing/?s=polypropylene%20tubing - Durometer 65D (Rockwell R76?), double price for Rockwell R93

Amazon - https://www.amazon.com/foot-coil-PolyPro-hula-tubing/dp/B01MSDEJ2F - 100ft, $50 + $25 ship

Zoro - $200 / 100fthttps://www.zoro.com/zoro-select-tubing-polypropylene-58-in-od-100ft-382010/i/G3351135 - Hardness: R 86 - https://www.zoro.com/zoro-select-tubing-polypropylene-58-in-od-100ft-382010/i/G3351135/