Blister Sealing Machine

Semi-auto PVC PET Blister Paper Card Heat Sealer Used for Lip Balm & Lipstick Cosmetic Blister Packing

The ZJ-50 is a professional-grade semi-automatic blister heat sealer designed for the cosmetic industry, specifically for lip balm and lipstick packaging. Featuring a 960mm rotating turntable and pneumatic operation, it delivers consistent moisture-proof seals between PVC/PET blisters and paper cards. With an 8-gear temperature adjustment system and a production speed of 400 pieces per hour, it is an ideal solution for small to medium-sized manufacturing lines requiring precision, durability, and low operational costs.


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Sample Display

Zhenjia Machinery provides sample proofing service, and offers complete production process guidance and customized production solutions. If you need to check processed samples and product details, please contact us for physical samples or high-definition sample pictures to intuitively experience the processing accuracy and product effect of our machine.

Our Certificate

Mold Supporting Service

This machine can be equipped with various specifications of molds, suitable for processing products of different sizes and types. All molds are made of high-quality wear-resistant materials. We can provide customized molds according to customer product specifications, and offer professional mold maintenance guidance to extend mold service life and ensure continuous production.

Packaging & Delivery

 

ZJ-50 Semi-Auto Blister Heat Sealer for Cosmetic Lip Balm & Lipstick Packaging

The ZJ-50 semi-automatic blister heat sealer is a specialized industrial solution engineered for the high-precision requirements of the cosmetic packaging sector. Designed specifically for sealing PVC, PET, and PP blisters onto glue-coated paper cards, this machine is the industry standard for packaging lip balms, lipsticks, and other small personal care items. By utilizing a pneumatic-driven system and a rotating turntable, the ZJ-50 ensures consistent seal integrity and moisture-proof protection, essential for maintaining product quality and shelf appeal in competitive retail environments.

Industrial Performance and Core Specifications

At the heart of the ZJ-50 is a 960 mm diameter rotating turntable that facilitates a continuous production cycle. This design allows operators to load materials, execute the sealing process, and remove finished products simultaneously, significantly reducing downtime. The machine is optimized for the electrical grids of Southeast Asia, operating on a 220-240V supply, and features an 8-gear temperature adjustment system to accommodate various material thicknesses and types.

Technical Parameter Specification Details
Model ZJ-50 Bottom Heating Blister Sealing Machine
Power Supply 220-240V / 50-60Hz
Rated Power 3 kW
Power Consumption 1.5 – 2.5 kW/h (Adjustable)
Temperature Control 8-Gear Adjustment System
Working Table Size 500 × 300 mm
Turntable Diameter 960 mm
Pneumatic Cylinder 80 × 150 mm
Max Upper Mold Stroke 170 mm
Production Speed Approx. 7-8 seconds per cycle (~400 pcs/hour)
Machine Weight 110 kg
Dimensions (with turntable) 1100 × 960 × 1420 mm
Dimensions (without turntable) 670 × 520 × 1420 mm
Table Height 750 mm (Ergonomic standard)
Required Air Compressor 60L tank; 8 mm air pipe
Certifications CE, ISO9001

Advanced Bottom Heating Technology

The ZJ-50 utilizes a bottom heating configuration, a critical feature for cosmetic packaging. In this setup, the heating platen is positioned beneath the blister, transferring heat upward through the blister flange to the paper card. This method is particularly advantageous for products like lipstick tubes or delicate cosmetic containers that sit deep within the blister cavity. By heating from the bottom, the machine minimizes the risk of overheating the actual product or scorching the top surface of the paper card, ensuring a clean, transparent, and professional finish.

Material Compatibility and Customization

The versatility of the ZJ-50 allows it to process a wide range of materials commonly used in the global packaging industry:

  • Blister Materials: PVC, PET, and PP (typically 0.2 mm to 0.8 mm thickness).
  • Substrates: Standard blister paper cards with heat-activated glue coating.
  • Applications: Beyond cosmetics (lip balm, eyelashes, nail tools), it is highly effective for batteries, stationery, toys, and small hardware.

Zhenjia Machine provides comprehensive mold customization services. Our engineering department designs bakelite and phenolic resin molds tailored to your specific product dimensions. The 500 x 300 mm table size can accommodate single-cavity or multi-cavity molds, allowing for the simultaneous sealing of 2 to 4 units per cycle depending on product size.

Operational Efficiency and Energy Management

The ZJ-50 is designed for low operational overhead. Energy consumption is highly efficient, calculated by the formula: Energy (E) = Power (P) × time (t) × efficiency factor (η). With a 3 kW heating element and a 7-second cycle, the energy cost per seal is approximately 0.005 kWh. This efficiency, combined with the pneumatic cylinder’s 80 x 150 mm stroke, ensures high-speed throughput without excessive utility costs.

Maintenance and Climate Adaptation for Southeast Asia

Given the high humidity and temperature fluctuations in regions like Thailand, Vietnam, and Indonesia, the ZJ-50 includes features to ensure long-term durability:

  • Voltage Stability: Compatible with 220-240V grids; use of a voltage stabilizer is recommended in areas with unstable power.
  • Humidity Control: Operators should use a moisture trap and water separator on the air compressor lines to prevent cylinder sticking during monsoon seasons.
  • Routine Care: Daily cleaning of the platen and weekly lubrication of the cylinder rod are required to maintain the ~400 pcs/hour production rate.

Troubleshooting Common Sealing Issues

  • Weak Seals: Often caused by low gear settings or insufficient air pressure. Increase the gear adjustment or check the 60L compressor output.
  • Material Burning: Indicates the temperature gear is too high for the material (e.g., PVC requires lower heat than PET). Reduce the gear setting.
  • Uneven Sealing: Usually a result of mold wear. Inspect bakelite molds every 10,000 cycles for cracks or misalignment.
SAFETY WARNING: The heating platen operates at temperatures exceeding 200°C. Always wear heat-resistant gloves when performing mold changes. Ensure the machine is properly grounded and allow a 10-minute cooling period before maintenance. Keep the turntable area clear of flammable materials at all times.

Contact Zhenjia Machine for a Custom Quote

Upgrade your cosmetic production line with the ZJ-50 semi-auto blister heat sealer. Zhenjia Machine offers free sample testing, custom mold design, and full technical support for clients across Southeast Asia and beyond. Contact our sales team today to discuss your packaging requirements.

  • WhatsApp / WeChat: +86 13690843269
  • Email: reyna@fszhenjia.com
  • Official Website: www.zhenjiamachine.com

blister heat sealer: selection and next steps

When comparing a blister heat sealer, confirm the material, tooling, cycle time and site voltage before quotation. A blister heat sealer should be matched to the actual product, output target and operator model, not only to the machine size.

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Standards and references

For quality-management context, see NIST. For CE marking on machinery, see the European Commission CE marking guidance.

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