Detergent / High-Corrosive Spout Caps
Molded from modified anti-corrosion PE that resists alkaline detergent, bleach and cleaning chemicals, with a thickened thread and sealing structure that prevents corrosion leakage under long-term chemical contact. Built for laundry detergent, fabric softener, dish soap, multi-surface cleaner, disinfectant, bleach and mild industrial chemical refill packs.
12mmRD-013 12 mm Plastic Spout Cap
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22mmRD-018 22 mm Plastic Spout Cap
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10mmRD-037 10 mm Plastic Spout Cap
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21.5mmRD-055 21.5 mm Plastic Spout Cap
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10mmRD-087 10 mm Plastic Spout Cap
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22mmRD-114 22 mm Plastic Spout Cap
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10mmRD-133 10 mm Mushroom-Shaped Spout Cap
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22mmRD-187 22 mm Plastic Spout Cap
View detailsCompare detergent / high-corrosive spout caps models
Same bore, 8 models. What separates them is the cap — its style, the material it is moulded in, and its dimensions.
| Model | Cap style | Material | Cap size | Availability |
|---|---|---|---|---|
| RD-013 | Screw cap | PE | φ22.4 × 19.85 mm | In stock |
| RD-018 | Screw cap | PE | φ30.69 × 20.2 mm | Made to order |
| RD-037 | Screw cap | PE | φ20.6 × 16.96 mm | Made to order |
| RD-055 | Screw cap | PE | φ30.5 × 17.7 mm | Made to order |
| RD-087 | Screw cap | PE | φ19.7 × 19.16 mm | Made to order |
| RD-114 | Screw cap | PE | φ32.35 × 20.2 mm | Made to order |
| RD-133 | Screw cap | PE | 32.9 × 18.5 mm | Made to order |
| RD-187 | Screw cap | PE | φ32.35 × 20.2 mm | Made to order |
Stocked models ship fastest and carry no minimum order quantity.
Made in our own factory
A one-stop manufacturer, not a trader
Every spout cap is designed and produced in-house — a 70,000 m² dust-free workshop with 130+ injection machines, in-house mold R&D and 360° AI inspection, from mold to finished cap.
- 30+ yrs
- In spout molds
- 70,000 m²
- Factory
- 130+
- Machines
- 38
- Patents
Frequently Asked Questions
What makes these caps corrosion-resistant?
They are molded from modified anti-corrosion PE and use a thickened thread and sealing structure, so they hold up to alkaline detergents, bleach and cleaning chemicals over long-term contact.
What products can they package?
Laundry detergent, fabric softener, dish soap, multi-surface cleaner, disinfectant, bleach and mild industrial chemical refill packs.
Do they prevent leakage over time?
Yes — the thickened thread and reinforced seal are designed to avoid corrosion leakage even after prolonged contact with aggressive chemical liquids.
Certified food-contact safety
