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Polypropylene (PP): Used for the rigid housing, trigger lever, and closure. Chosen for its chemical resistance and durability.
Low-Density Polyethylene (LDPE): Used for the dip tube and gaskets. It's flexible and chemically resistant.
Acetal (POM): Sometimes used for high-performance internal components like the piston and spring housing due to its low friction and high strength.
Compatibility: The Most Important Consideration
When sourcing a 28mm trigger sprayer, you must ensure it matches your bottle's neck finish.
How to Check: Measure the outer diameter of the threaded neck of your bottle. It should be approximately 28 millimeters.
Thread Pattern: The pitch and depth of the threads must also match. The standard designation "28/410" is the most reliable way to ensure compatibility.
Gasket Seal: The sprayer must form a tight seal against the landing ring of the bottle's neck to prevent leaking.
Advantages and Disadvantages
Advantages:
Controlled Dispensing: Delivers a precise, measurable amount with each pull, reducing waste.
User-Friendly: The trigger mechanism is intuitive and requires less force than a finger pump.
Versatility: The ability to switch between mist and stream makes it suitable for various tasks.
Good Seal: Prevents leaks and evaporation when not in use.
Disadvantages:
Not for Viscous Liquids: Struggles with very thick products like lotions or oils, which can clog the mechanism.
Mechanical Complexity: Has more moving parts than a simple cap, which can wear out or break.
Cost: More expensive than basic closures like screw caps or flip-tops.
Summary
The plastic trigger sprayer is an indispensable dispensing solution for watery to medium-viscosity liquids where controlled, targeted application is key. Its design is a perfect balance of functionality, cost-effectiveness, and user convenience, making it a staple in industries from household cleaning to personal care. When selecting one, the most critical factors are neck finish compatibility and chemical compatibility with the product being dispensed.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
3.000.000-6.000.000
Employee Number:
80~120
Ecer Certification:
Verified Supplier
NINGBO SUNWINJER DAILY PRODUCTS CO,.LTD is a professional cosmetic packaging company located in Ningbo , we always take the high quality as our mission, in order to follow up the modern market changeable characteristics, based on high and new technical settin... NINGBO SUNWINJER DAILY PRODUCTS CO,.LTD is a professional cosmetic packaging company located in Ningbo , we always take the high quality as our mission, in order to follow up the modern market changeable characteristics, based on high and new technical settin...