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Help CenterChemical Resistant & Drop Durable HDPE Bottle Blow Molding – S136H Steel Mold, ISO 9001
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. We are a dedicated manufacturer established in 2017, operating a 1,000–3,000 square meter facility with a skilled team of 51–100 employees. Our mission is to deliver high-performance blow molds that meet the rigorous demands of the global packaging industry. The Chemical Resistant & Drop Durable HDPE Bottle Blow Molding – S136H Steel Mold is engineered to produce bottles that withstand harsh chemical environments and repeated impacts. Backed by our TS16969 certification and strict quality management system, this mold offers exceptional longevity and consistent output.
Key Product Features
- Superior Chemical Resistance: The HDPE bottles produced are ideal for storing acids, alkalis, solvents, and other aggressive chemicals without degradation.
- Drop Durable Design: Optimized wall thickness distribution and impact-resistant geometry ensure bottles survive drops from typical handling heights.
- S136H High-Grade Steel: Pre-hardened stainless mold steel offers excellent corrosion resistance, polishability, and a hardness of HRC 48-52 for long mold life.
- ISO 9001 & TS16969 Certified: Our molds are manufactured under stringent quality control processes, ensuring dimensional accuracy and repeatability.
- Customizable Cavities: Single, multi-cavity (2, 4, 6, 8, etc.) configurations available to match your production volume requirements.
- Efficient Cooling System: Optimized channel design reduces cycle time and improves part quality.
Technical Specifications
| Mold Material | S136H (Stavax ESR equivalent) |
| Cavity Hardness | HRC 48-52 |
| Bottle Capacity Range | 50 ml – 5 L (custom) |
| Max Mold Dimensions | 600 x 600 x 400 mm (custom larger sizes available) |
| Cooling Type | Water cooling with spiral channels |
| Standard Neck Finish | Any standard or custom neck finish |
| Injection/Extrusion | Compatible with both (specify upon order) |
| Warranty | 12 months against manufacturing defects |
Advantages for Your Business
- Reduced Downtime: The durable S136H steel and precision machining minimize wear, extending maintenance intervals.
- Consistent Quality: Tight tolerances (±0.02 mm on critical surfaces) ensure each bottle meets exact specifications.
- Faster Time to Market: Our experienced team can deliver the first sample within 20–25 working days after design approval.
- Global Shipping: We export from ports in Jiangsu, Shanghai, and Shenzhen, covering North America, South America, Europe, Asia, Africa, and Oceania.
- After-Sales Support: Our technical team provides remote troubleshooting and on-site service options (available upon request).
Why Choose Hongxinyutai? Since 2017, we have supplied molds to clients across 30+ countries. Our 51–100 skilled employees and 1,000–3,000 m² factory are dedicated exclusively to precision blow mold manufacturing. With TS16969 and ISO 9001 certifications, every mold undergoes rigorous inspection—from material validation to final tryout. We have delivered over 1,200 mold sets to industries including chemicals, pharmaceuticals, and household goods. Our commitment to quality and customer satisfaction drives us to continuously improve our designs and services.
Ready to enhance your production line? Contact us today to discuss your specific bottle requirements. We will provide a detailed proposal, including mold design, cavity configuration, and a competitive lead time. Let our expertise help you produce chemical-resistant, drop-durable bottles with unparalleled consistency.
Frequently Asked Questions (FAQ)
Q1: What type of steel is used in this mold? Is it suitable for high-cavity production?
A1: We use S136H, a pre-hardened stainless mold steel with excellent corrosion resistance and polishability. It is ideal for long-run production of HDPE bottles, supporting up to millions of cycles with proper maintenance.
Q2: Can this mold produce bottles for food contact applications?
A2: Yes, HDPE is FDA-approved for food contact, and our mold is built with non-toxic materials. However, final compliance depends on your specific bottle design and usage. We recommend testing under your intended conditions.
Q3: What is the typical delivery time for a custom mold?
A3: After design approval, sample delivery typically takes 20–25 working days. Mass production mold delivery ranges from 30–45 working days depending on complexity and cavity count.
Q4: Do you provide sample trial services before mass production?
A4: Absolutely. We offer trial runs at our facility. You can send your resin, and we will produce sample bottles for your evaluation. Photos and videos are provided upon request.
Q5: What is the minimum order quantity?
A5: We accept single-cavity molds starting from one set. For multi-cavity molds, the minimum is typically one mold base. Customization is welcome for any volume.
Q6: How do you ensure the drop durability of the bottles?
A6: We use simulation software (Moldflow) and design optimized wall thickness distribution. Our molds produce bottles that pass standard drop tests (e.g., 1.5m drop onto concrete without cracking) when using proper HDPE grade.
Q7: Can you modify an existing mold design to include chemical resistance?
A7: Yes. We can analyze your current design and suggest modifications such as increased wall thickness at stress points, optimized thread design, and material-grade recommendations to enhance chemical resistance.
Q8: What shipping methods do you use? Can you arrange door-to-door delivery?
A8: We ship via sea, air, or courier (DHL, FedEx, etc.). Door-to-door delivery is available for most destinations. Please advise your preferred incoterm when ordering.
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