PU Automotive Sealant Production Line | JCT Machinery

September 03, 2025

PU automotive sealant is primarily used for windshield installation, body seams, and lamp and door sealing. It offers high-strength bonding, excellent weather resistance, and resistance to vibration and shock.
JCT's PU automotive sealant production line utilizes a fully automated process design to ensure high formula stability and batch consistency, making it suitable for continuous, large-scale production.

double planetary mixer

PU Automotive Sealant Production Line Equipment

1. Double planetary mixer: Used for uniform mixing and vacuum degassing of high-viscosity materials, ensuring stable adhesive properties.

2. Metering and automatic dosing system: Precisely controls the proportions of raw materials such as polyurethane prepolymer, filles and additives to ensure formulation consistency.

3. Vacuum degassing system: Eliminates bubbles, improving the sealant's density and mechanical strength.

4. Cooling and temperature contol system: Ensures stable reaction temperature to prevent material degradation caused by high temperatures.

5. Filtration and filling machine: Based on automotive industry requirements, the system can be equipped with either a cartridge filler or a flexible packaging filler to meet diverse packaging needs.

Technical Advantages of PU Automotive Sealant Production Line

1. Compatible with high-viscosity materials
Double planetary mixer easily handles the high viscosity of PU automotive sealant.
2. Vacuum system
Effectively removes tiny bubbles, preventing pinholes after curing.
3. High level of automation
Automatic feeding and filling systems are available, reduing labor costs.
4. Energy saving and environmental protection
VOC emissions are controlled during the production process, meeting automotive industry environmental standards.
5. Turnkey project
JCT provide a complete set of equipment ＋ formula technology ＋ installation and commissioning ＋ operator training to help customers quickly start production.

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Donglian Jincheng Industrial Zone, Danzao Town, Nanhai District, Foshan City, Guangdong Province, China

+86 - 181-3837 3963
contact@jctmixing.com
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PU Automotive Sealant Production Line | JCT Machinery

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