종이봉투에 친환경 핫멜트 접착제 적용

1. 손잡이 부착 (종이봉투 손잡이)
   친환경 핫멜트 접착제는 종이 봉투에 손잡이를 붙일 때 즉시 접착 강도를 제공합니다. 또한 높은 박리 저항력(40N/25)을 제공합니다.mm²） and remain flexible even at -10°C, preventing handle detachment under load. 그se adhesives are solvent-free, pass SGS 인증, and exhibit low odor, making them safe for food-grade packaging 610.
2. 옆솔기 접착 (종이 대 종이 접합)
   For side seams, adhesives like Devote® 9011 보장하다 rapid curing (15–20 seconds) and strong cohesion across paper types (kraft, coated, or laminated). Key properties include high viscosity control (1,300–2,400 MPa·s /180°C) to prevent seam splitting during bag expansion. Open time (10–15 seconds) allows precise alignment in high-speed production.
3. 바닥 봉인(하중 지지 솔기)
   Bottom seams require exceptional shear strength. Specialized adhesives (e.g., Devote® 9022A) withstand >15# copper ball initial tack and rigorous load tests. 그y maintain integrity under stress (e.g., 2.5 MPa tensile strength) and high weights, critical for grocery or gift bags. Performance is validated via load-bearing simulations (e.g., 60°C to -15°C cycles) .

하중 지지 검증
접착제는 시접 내구성을 보장하기 위해 무게 테스트(예: 5~10kg 내용물을 모방한 추 달기)와 굽힘 내구성(10,000회 접기) 테스트를 거쳐요.