Silicone Hole Caps 2.5 3 3.5 4mm O Ring Assortment Kit, Heavy Duty Hole Plugs, Pro Grade Elastic Seals, Anti Aging, Alkali Resistant For Pipes, Industrial Equipment, Food Processing Gear

Pro Grade Silicone Hole Caps Kit for 2.5-4 mm Seals
✔️ Includes 2.5, 3, 3.5 and 4 mm caps with O-ring seals

This heavy-duty silicone hole caps kit provides four sizes (2.5, 3, 3.5, 4 mm) to seal openings in pipes, industrial equipment, and food processing gear. Silicone rubber offers a tight seal, high temperature tolerance (-40 to +250 °C), anti-aging, and alkali resistance.

✅ Size options: 2.5, 3, 3.5, 4 mm hole caps
✅ Material: silicone rubber with high elasticity and sealing
✅ Temperature range: -40 to +250 °C
✅ Alkali resistance and anti-aging properties

💡 What is a silicone hole cap O-ring kit used for in industrial piping?

A handy set for sealing openings in pipes, tanks, and industrial equipment.

- Seals openings in pipelines, pumps, and machinery - Works in low-pressure hydraulic lines and coolant/air conditioning lines - Silicone's aging resistance and alkali compatibility help long-term use - Suitable for food processing gear and automotive systems✝️