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13 Years of plastic bucket manufacturing and development.

What happens if there is a quality issue with the delivered products?

2026-09-15

If a quality issue is reported, Chengpin will investigate the case based on the approved sample, agreed product specification, production records, inspection records, test reports, and customer feedback. Customers should provide relevant details, such as the product model, order or batch information, quantity affected, photos or videos, and a description of the issue, to support an accurate review.

The root cause will be assessed against the agreed requirements and available quality records. Relevant inspection documents and order-quality records can be provided to support the evaluation. After the cause has been verified and jointly reviewed, appropriate corrective action will be determined in accordance with the confirmed product specification and order agreement.

What happens if there is a quality issue with the delivered products? 1

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Can your plastic buckets be used for storing fertilizer? What solutions are there for barrel bulging?

Q: Can your plastic pails be used for fertilizer?

A: Yes, depending on the fertilizer type. Our PP plastic buckets work for most granular fertilizers, slow-release fertilizers, liquid organic fertilizers and water-soluble fertilizers.

⚠️ Notes:

  • Ordinary PP buckets are NOT recommended for highly corrosive fertilizers with strong acid or alkali. You need chemically modified thickened pails for such chemicals.
  • Organic fertilizer and compost liquid may ferment and generate gas. Fully sealed storage will cause bulging. Do not seal airtight.
  • We suggest a small compatibility test before bulk filling: put fertilizer sample into the bucket, seal and observe, to confirm no corrosion or excessive gas generation.
  • Fertilizers tend to absorb moisture and form crystals. Store away from direct sunlight.

Q: What solutions are there for bulging pails?

A: Bulging happens when gas builds up inside the bucket from fermentation or chemical reaction. Pressure expands the bucket wall.

✅ Preventive solutions (recommended first)

  • Do not seal completely. Use lids with vent valves to release gas slowly and balance internal pressure. This is the most popular option for organic & fermented fertilizers.
  • Degas the material before filling. Fully mature and rest the fertilizer to release trapped gas prior to packaging.
  • Leave headspace. Do not fill to full capacity. Reserve 5%–10% volume as buffer space for gas expansion.
  • Use heavy-duty thick pails. Thick PP material resists deformation under mild pressure.

✅ Handling already bulging buckets

  • Move to cool and ventilated area. Release pressure slowly by opening the lid. Never open under high temperature or direct sun, as sudden pressure release may spray material and cause injury.
  • After pressure release, replace lid with vent cap if the fertilizer keeps generating gas.
  • Discard heavily deformed buckets. The plastic wall has internal stress and may crack and leak.

Reminder: Thicker bucket walls only withstand minor pressure. They cannot stop continuous gas production. Vent caps are the key solution for fermenting materials.

 

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