回天新材：公司5166高阻水密封胶已通过德国TV、美国UL等权威认证，可应用于HJT电池封装

Core Viewpoint - The company has successfully developed a high water-blocking sealant, 5166, which has received certifications from authoritative bodies such as Germany's TüV and the United States' UL, specifically for use in HJT (Heterojunction) battery packaging [2]. Group 1 - The 5166 high water-blocking sealant has been certified by TüV and UL, indicating its compliance with international standards [2]. - The sealant is designed to assist clients in overcoming technical challenges related to HJT battery packaging [2].