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300ml Blow Mold for Aseptic
PET Blowing Mold

A Real-World Example

A European beverage company once approached us with a challenge: they needed 300ml bottles for their high-speed aseptic line, but their existing molds caused uneven wall thickness and minor defects. Our team examined their preform samples and machine setup. After careful measurements and testing, we designed a custom PET blow mold that fit seamlessly. On the first production run, bottles came out consistent in shape, wall thickness, and clarity. The client was able to increase production efficiency without compromising quality.

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Side view of PET bottle mold core used in Sacmi machines

Crafted for Reliability

Our 300ml PET blow molds are made from imported high-strength aluminum, chosen for its excellent heat transfer and durability. Each cavity is precision-machined to ensure uniformity across thousands of bottles. The mold’s modular design makes cleaning and maintenance straightforward, helping production lines run smoothly.

How It Works in Production

During operation, preforms are heated to the optimal temperature and inflated inside the mold using high-pressure air. The mold shapes the bottle while maintaining even wall thickness and structural stability. The precise cavity design minimizes common defects such as whitening or uneven stretching, delivering clear, high-quality bottles suitable for aseptic filling lines.

Applications in the Field

Our molds are trusted by clients across Europe, Southeast Asia, and the Middle East for:

Bottled beverages and juices

Dairy and functional drinks

Edible oils and sauces

Pharmaceutical and personal care products

For example, a Southeast Asian dairy producer used our mold to streamline production. Within days, they reported fewer defects and higher throughput, thanks to the precise molding and easy maintenance of our design.

Customization and Flexibility

We understand that every production line is different. Clients can provide sample bottles or CAD drawings, and our engineers will create a mold tailored to their specific machine setup. OEM and ODM services are available, allowing adjustments to bottle shape, branding embossing, and other unique requirements.

About Foshan Baijinyi Precise Technology

Founded in 2011 and located in Foshan, China, our company covers over 4,000 square meters. “Baijinyi” comes from a Chinese saying meaning “to advance even further after reaching the top”, reflecting our commitment to continuous innovation.

We specialize in PET liquid packaging molds, including blow molds, injection preform molds, cap compression molds, and accessories. Beyond manufacturing, we work directly with clients to optimize bottle design, preform performance, and equipment compatibility. Our goal is simple: help production run efficiently while maintaining the highest quality.

Contact Us

Foshan Baijinyi Precise Technology Co., Ltd.

Address: No.6 Yongye Rd, Sanshui District, Foshan City, Guangdong Province, P.R. China 528100

Tel: +86 (0)757-8778 0610

Email: info@bjypetmold.com

Website: www.bjypetmold.com

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