Extrusion & Post
4 조회수
PETG poor adhesion during printing
문제 현상
The ink adhesion on the PETG product surface is insufficient, easily peeling off or being scratched.
원인 분석
PETG surface energy is low (about 30-36mN/m), the surface has mold release agent or oil contamination residue, and the ink system does not match.
해결 방법
Corona treat the product surface to a dyne value ≥42mN/m; clean with alcohol before printing; select an ink system suitable for polyester.
핵심 요약
PETG printing adhesion depends on surface treatment and ink matching.
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