GB/T 44359-2024 in English
VALIDGeneral technical requirements of blow mould for lightweight PET bottle
- Issued on:2024-08-23
- Implemented on:2025-03-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
| Standard No: | GB/T 44359-2024 |
| Document status: | VALID |
| Title in English: | General technical requirements of blow mould for lightweight PET bottle |
| Title in Chinese: | 轻量化PET瓶吹瓶成型模具通用技术要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2024-08-23 |
| Implemented on: | 2025-03-01 |
| ICS Classification: | 55.200-Packaging machinery |
| Chinese Classification: | J83-Storage equipment and handling machinery |
| Professional Classification: | GB-National Standard |
| Related Keywords: | lightweight pet bottle introduction technical requirements
lightweight pet bottle lightweight pet bottles comparison technical requirements molds standard dimensions technical requirements |
| Related Topics: | PET
standardization of pets Model vva general requirements Blow molding standard requirements |
《GB/T 44359-2024轻量化PET瓶吹瓶成型模具通用技术要求》由TC436(全国包装机械标准化技术委员会)归口,主管部门为国家标准委。
Introduction
Technical requirements and applications of lightweight PET bottle blowing molds
| Standard dimensions | Technical requirements for lightweight PET bottles | Comparison with traditional PET bottles |
|---|---|---|
| Material quality | Adopt high heat-resistant and corrosion-resistant materials, surface roughness Ra0.4 | Ordinary mold materials, surface treatment requirements are low |
| Wall thickness control | Average wall thickness ≤0.37mm (depending on the capacity range) | Average wall thickness ≥0.45mm |
| Blowing pressure | ≤3.2MPa (hot filling), ≤2.2MPa (packaged drinking water) | ≥4.0MPa |
Actual application case: Lightweight production of beverage bottles
Background:A well-known beverage company hopes to reduce the amount of packaging materials and reduce carbon emissions. By adopting lightweight PET bottle blowing molds, the amount of raw materials used for a single bottle was successfully reduced by 15%, saving more than 2 million yuan in annual costs.
Technical implementation:Select one-step or two-step hot filling molds to ensure that the preheating temperature deviation is within ±1.0℃. By optimizing the mold design, increase the exhaust area and improve production efficiency.

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