Unraveling the Causes of Sealing Tape Delamination
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-06-04
Struggling with sealing tape that loses adhesion? Guangdayuan's scientific approach—from adhesive chemistry to application guidance—addresses root causes like substrate contamination, temperature fluctuations, and insufficient pressure.
Guangdayuan's premium tapes feature cross - linked acrylic adhesives, boasting initial tack ≥1.0N and holding power >24 hours (1kg load). The company's cooperation with Harbin Institute of Technology yields nano - composite adhesives, resisting plasticizer migration in PVC substrates. Dielectric tests confirm their tapes maintain insulation resistance >10¹²Ω, critical for electronics packaging.
Industry applications include: automotive parts (vibration - resistant seals), pharmaceutical packaging (sterile environment compatibility), and industrial equipment (outdoor weatherproofing). The cautionary tape variant uses solvent - free inks (VOCs <100ppm), ensuring clear labeling that withstands 50 + rubs without fading.
Quality control is rigorous: every batch undergoes 90° peel tests (180g/25mm minimum), freeze - thaw cycles (-10℃ to 50℃), and salt spray exposure (5% NaCl, 1000 hours). With 20 + years of expertise, Guangdayuan provides not just products but comprehensive solutions—including application guides for optimal adhesion on different surfaces.
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