Service Cases

Cooperative customer: an international brand of new energy vehicles

Customer requirements: Development of high temperature, aging resistance and excellent air tightness of the silicone sealing ring, to meet the long-term 

stability of the battery pack in extreme environments (-40 ° C ~150 ° C), and IP67 protection certification.

East Blue Scheme:

Material customization: Self-developed silica gel material with high tear resistance is used to improve temperature resistance and compressive permanent 

deformation resistance through nano-filler modification technology;

Process optimization: Liquid silicone injection molding (LSR) process is used to achieve seamless sealing ring, ensuring dimensional accuracy of ±0.03mm;

Test and verification: Simulate the battery pack vibration, high and low temperature cycle and other extreme conditions, complete 2000 hours of aging test, 

product life increased by 40%.

Cooperation results:

Successfully delivered over 500,000 seals, helped customers pass IP67 certification, and reduced the failure rate to less than 0.05%;

Customer comments: "The professional competence and quick response of the East Blue team has secured a critical time window for our mass production plan."