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When selecting a trigger sprayer for chemical and disinfection applications, the parameters that predict field performance are neck finish compatibility, material durability against the target formula, output dose consistency, and seal integrity. This Durable Chemical Pump Sprayer Trigger Plastic PP Material 28mm Thread Non Spill Design Bottles Disinfection Use Customized Color is manufactured from PP with a metal spring, available in 28/400 and 28/410 thread sizes.
The 28/410 designation means the collar fits a bottle neck 28 millimeters in diameter using the 410 thread standard. Both 28/400 and 28/410 are widely standardized neck finish dimensions across household cleaning and industrial disinfection packaging, making sourcing and supplier changes straightforward.
| Thread Size | 28/400, 28/410 |
| Material | Plastic (PP) with Metal Spring |
| Discharge Rate | 1.1 ± 0.1 mL/T |
| Colors | Optional (Customized) |
| Packing | 400 PCS/CTN, 57×33×39 cm, OPP Bag |
| MOQ | 30,000 pieces |
| FOB Port | Ningbo / Shanghai |
| Origin | Ningbo, Zhejiang, China |
| Payment | T/T or Western Union — 30% advance, balance before shipment |
| Lead Time | 15–25 days |
The body and actuator are molded from PP (polypropylene), which resists a broad range of household and industrial chemical formulas. The metal spring delivers consistent actuation return force and resists fatigue across extended use cycles. If your application uses water-based disinfectants or mild alkaline cleaners, this construction performs reliably. For high-alcohol or acidic formulas, verify compatibility through a sample fill test before committing to production — this is standard procedure in B2B packaging qualification.
The ball valve and sealing mechanism retain liquid in the dip tube when the trigger is at rest, preventing leakage during transport and storage. This is especially important for water-thin or low-viscosity disinfection liquids. Seal performance varies with formula surface tension and storage temperature; testing with the specific formula during sample evaluation is recommended before mass production.
The 28/400 and 28/410 neck finish sizes are produced by hundreds of bottle manufacturers worldwide. This standardization reduces sourcing risk and gives packaging buyers flexibility when switching bottle suppliers or reformulating products. Confirm fitment with a physical trial assembly before production, since tolerances vary slightly across producers even within the same nominal specification.
Output dose is determined by actuator stroke length, ball valve lift, and dip tube restriction — not just the label specification. In disinfection applications where dose accuracy affects efficacy, test output under actual formula conditions during qualification. The ±0.1 mL tolerance means individual units may deliver 1.0–1.2 mL; product usage instructions should reflect this range.
The pump is available in customized colors to support brand differentiation. Color specifications must be confirmed during the sampling stage with a documented approval cycle before mass production. Color consistency across production batches should be included in the purchase order specification.
The non spill design and PP material construction make this sprayer directly suitable for surface disinfectants, hand sanitizer sprays, and antimicrobial cleaning products. The 28/400 and 28/410 options fit most standard HDPE and PET disinfection bottle formats. For formulas with elevated ethanol content, confirm rubber gasket compatibility through a multi-week fill test before production.
Beyond disinfection, this PP trigger sprayer handles all-purpose cleaners, glass cleaners, and mild chemical surface treatments. The durable PP construction tolerates alkaline and surfactant chemistries. Buyers for private-label cleaning brands or co-packing facilities can align this pump with multiple product lines in the same 28mm neck bottle family.
Yuyao Mingbang Spray Packing Co., Ltd. is located in Ningbo, Zhejiang Province, near a major FOB port. Product range includes trigger sprayers, lotion pumps, finger sprayers, perfume sprayers, and plastic sprayer bottles. 28/410 neck finish production is a core capability. Custom logo printing is available; quality control follows a TQM process with photo and video documentation at each production stage.
Request samples specifying neck finish (28/400 or 28/410), formula type, and color. Evaluation should include: fitment verification, formula-fill actuation testing, output dose measurement, and multi-week seal testing for chemically aggressive formulas. Specifying discharge rate tolerance in the purchase order reduces production batch variation not visible in samples.
Compatible with water-based formulas, mild alkaline cleaning solutions, and standard disinfection products. For elevated alcohol or solvent-based formulas, run a fill-test soak before full production. Rubber gasket components may show degradation with aggressive chemistries after several weeks of fill time — verify with the actual formula before committing to an order.
Yes. Custom brand logo printing is available for buyers with registered trademarks. Confirm printing method and position during the sample stage.
The factory uses a TQM quality framework with inspection at every production stage. Photo and video documentation is provided on request, supporting remote quality monitoring. Sample approval before mass production is standard. Specifying actuator stroke tolerance and valve seat requirements in the order sheet reduces output variation across batches.
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