Description
The Newborn 250 caulk gun is a manual cartridge dispensing gun for 10 oz cartridges, built around an 18 to 1 thrust ratio that drives heavy-bodied sealants and adhesives with steady, controlled output. Newborn has built professional caulk guns in the US for decades, and the Model 250 is a workhorse choice for contractors, fabricators, and maintenance crews who run high-viscosity products day after day.
Where the Newborn 250 Caulk Gun Earns Its Spot
- Construction and trade work running heavy-bodied polyurethane sealants
- Sign and metal fabrication shops bonding with thixotropic adhesives
- Maintenance work on machinery, equipment, and structural joints
- Cold-weather work where stiffer cartridge contents demand higher mechanical advantage
- Production teams that need a stronger alternative to economy caulk guns
How the Newborn 250 Caulk Gun Holds Up
The 18 to 1 thrust ratio means each squeeze of the trigger drives substantially more cartridge force than lower-thrust economy guns. That matters when the cartridge contains a stiff sealant, a structural adhesive, or any product that has thickened in cold storage. The rear release helps back pressure off when the trigger is released, which keeps bead lines cleaner at the end of a pass. The gun accepts standard 10 oz cartridges from major manufacturers and gives crews a reusable tool built for daily jobsite and shop use.
Newborn Model 250 Specifications
| Property | Value |
|---|---|
| Manufacturer | Newborn |
| SKU | NEW-250 |
| Cartridge size | 10 oz |
| Thrust ratio | 18 to 1 |
| Drive type | Manual |
| Typical use | Heavy-bodied sealants and structural adhesives |
Order alongside compatible cartridge sealants and adhesives on the Chemical Concepts dispensers, mixers, and nozzles page. For Newborn product information, see Newborn.
Need Help?
Need help matching caulk gun thrust ratio to your sealant viscosity? Call (800) 220-1966 or email [email protected].
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