Is this solid enough for an air pump to 120psi?

I have some reservations that this tube could handle 120# psi.

Could this be used as exhaust tubing for a portable generator? (Assuming I get the right diameter/length)

not sure what fluid you try to pass the tube. I use it for a coffeemaker, it can withstand boiling water. I still have more than 2 feet left and can share with you.

Can you make writing pen cartridges with these?

The silicon tubing is too flexible in it's current form to be used as a pen cartridge. I don't see any advantage to use it because of the lack the rigidity. Unless there is a chemical or financial advantage why consider the exchange?

ants would have no problem crawling thru this tubing

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Description

💡 Clear, flexible, and ready to flow—upgrade your setup with precision tubing!

SLIM SLEEK FIT - Ultra-thin 3/32 inch tubing slides effortlessly into tight spaces and pockets.
CRYSTAL CLEAR FLOW - Transparent silicone lets you monitor fluid or air flow instantly—no guesswork.
FLEXIBLE DURABILITY - Premium silicone rubber bends without kinking, ensuring long-lasting performance.
LIGHTWEIGHT COMPACT - At just 9 grams and 1 meter length, it’s easy to carry and install anywhere.
MULTI PURPOSE MASTERY - Ideal for aquarium, pond, or pet air and water systems—engineered for pros.

This 1-meter long, ultra-slim silicone tube features a precise 2mm inner diameter and 4mm outer diameter, crafted from flexible, transparent silicone rubber. Lightweight at 9 grams, it’s designed for seamless integration in aquarium and pet water or air systems, combining durability with crystal-clear visibility for professional-grade performance.