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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Silicone Tube 1/2"(12mm) ID x 5/8"(16mm) OD Clear Flexible Silicone Rubber Tubing Water Air Hose Pipe Transparent (3.3ft / 1m；12 x 16mm)

Silicone Tube 1/2"(12mm) ID x 5/8"(16mm) OD Clear Flexible Silicone Rubber Tubing Water Air Hose Pipe Transparent (3.3ft / 1m；12 x 16mm)

Product ID: 330485358

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Details

Brand
QJZXUEZHEN
Material
Silicone
Colour
Transparent
Product dimensions
100.6L x 1.6W
Item weight
109 Grams

💧1m clear tubing for visible liquid flow

📏12mm ID x 16mm OD precision sizing

🔥Operates from -76°F to +428°F

Description

💡 Clear, tough, and versatile — the tubing that keeps your flow flawless!

UNIVERSAL COMPATIBILITY - Perfectly sized at 12mm ID x 16mm OD to fit a wide range of small appliances and aquarium setups.
FLEXIBLE YET DURABLE DESIGN - Engineered with 65-degree hardness silicone rubber, it bends without breaking and resists outdoor wear.
CRYSTAL CLEAR FLOW VISIBILITY - Stay in control with transparent tubing that lets you monitor liquids and gases effortlessly.
EXTREME TEMPERATURE RESILIENCE - From freezing cold to scorching heat, this silicone tube performs flawlessly between -76°F and +428°F.
MULTIPURPOSE LIQUID GAS TRANSFER - Ideal for water, air, drainage, and liquid handling—your all-in-one tubing solution.

This 1-meter clear silicone rubber tubing features a precise 12mm inner diameter and 16mm outer diameter, with a 2mm wall thickness. It withstands extreme temperatures from -76°F to +428°F and offers exceptional flexibility and durability. Designed for transferring liquids and gases, it’s perfect for aquarium air and water hoses, drainage, and various small appliance applications.

Specifications

Manufacturer	QJZXUEZHEN
Part number	tubingqjz-12mmx16mm
Item Weight	109 g
Product Dimensions	100.58 x 1.59 x 0.1 cm; 109 g
Item model number	tubingqjz-12mmx16mm
Size	12mm ID x 16mm OD
Color	Transparent
Style	1m / 3.3ft
Material	Silicone Rubber
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

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