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Energy Saving Thick-Wall Petroleum Jelly Jars Injection Blow Molding Equipment Injection Blow Moulding Machines

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  • DAWSON

One-Step Injection Blow Molding Machine for Leak-Proof Vaseline Jars


In the personal care and cosmetic packaging industry, leak-proof performance and production efficiency are the two core demands that manufacturers cannot compromise on. For Vaseline jars, cream pots, and balm containers, even a tiny defect in the seal or wall thickness can lead to product leakage, brand reputation damage, and costly rework. Our specialized Injection Blow Molding Machine is engineered to solve these pain points with a fully integrated one-step production process, delivering consistent, high-quality containers that meet the strictest standards of the beauty and personal care sectors.


Unlike traditional two-stage machines that require reheating preforms after injection, our machine combines injection, stretch-blow, and demolding into a single automated cycle. This one-step approach eliminates the risk of thermal stress and deformation, ensuring every jar has uniform wall thickness and a perfectly formed neck finish. The result is a leak-proof container that can securely hold viscous products like Vaseline, without any risk of seepage or contamination—even during long-distance shipping and storage.


At the heart of our machine is a precision-engineered valve-gate hot-runner system, which produces tailless preforms with a smooth, blemish-free surface. This not only reduces material waste but also ensures the final jar has a flawless appearance, ideal for premium cosmetic branding. The central orientation adjusting system further minimizes preform eccentricity, guaranteeing that the wall thickness is consistent across every part of the container. This precision is critical for maintaining the structural integrity of the jar and ensuring a tight seal with the cap, preventing leaks that are common in lower-quality packaging.


Our machine also excels in operational efficiency and cost control. The automated production line requires minimal human intervention, with a single operator able to manage multiple machines simultaneously. The PLC touch-screen control system offers intuitive operation, allowing for quick adjustments to parameters like temperature, pressure, and cycle time, reducing downtime during product changes. Additionally, the machine’s modular design features standard changeable inserts, making it easy to switch between different jar sizes and shapes—from small 5g travel-sized pots to larger 200g family-sized jars—without the need for extensive retooling.


Beyond Vaseline containers, our Injection Blow Molding Machine is highly versatile, capable of producing a wide range of cosmetic and personal care packaging, including cream jars, lip balm pots, and skincare lotion bottles. It is compatible with various plastic materials, including PET, PP, and PS, making it a flexible solution for manufacturers looking to expand their product lines.


With over 18 years of experience in plastic machinery and a global customer base spanning more than 45 countries, we are committed to providing not just a machine, but a complete solution for your packaging production needs. Our dedicated after-sales team offers 24/7 technical support, on-site installation, and operator training, ensuring that your production line runs smoothly and efficiently from day one.


Invest in our Injection Blow Molding Machine and take the first step towards producing leak-proof, high-quality Vaseline and cosmetic jars that will set your brand apart in the competitive global market.

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located in Zhangjiagang city, have more than 18 years' experience in the field of plastic machinery, injection molding machine, blow molding machine, PET blow molding machine, injection blow molding machine, during the past 18 years, we always force our energy into new areas of plastic machinery, plastic packaging machinery, to update the technology, to learn advanced experience, to confirm new theory and new design, we are forming a unique competitive advantage of our owns. The machines from our company carry good quality and effective after-sales service, upon the market, customers from more than 45 countries, we provide complete solution for your plastic industry business, as well as all sorts of technical support & after-sale services!

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INJECTION BLOW MOLDING MACHINE FOR VASELINE JARS

  • Produce leak-proof jars in one process, no extra work needed.

  • Consistent, durable, high-quality cosmetic packaging.

  • Lower costs, faster production for your business.

  • Adapt to vaseline, cream, and balm containers easily.

  • Intuitive control, minimal downtime, reliable performance.

This machine delivers precision, speed, and versatility for premium vaseline and cosmetic jar production—boosting your output, cutting costs, and helping you stand out in the market.


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