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Optimasi Parameter Proses Sealing Pada Kemasan Fleksibel Laminasi PET/ALU/PE/LLDPE Menggunakan Metode Design Of Experiments (DOE) Rahmadi, Septian; Fattahillah, Rangga Wahyu; Suhaeri, Suhaeri
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.54180

Abstract

High seal integrity is critical for multilayer flexible packaging (PET/ALU/PE/LLDPE) to ensure product quality and safety. This study aims to optimize heat-sealing parameters—temperature, pressure, and time—using Design of Experiments (DOE) within a response surface approach. A full-factorial design (3×3×3) was applied, involving three levels for each factor (temperature: 120–140 °C; pressure: 2–4 bar; time: 0.5–1.5 s), resulting in 27 experimental runs. Seal strength was measured in g/15 mm according to ASTM F88/F88M, and analyzed using ANOVA and quadratic regression modeling. Results indicate that all main effects and interactions are statistically significant (p < 0.05), with temperature and time as dominant factors, and a substantial temperature×pressure interaction. The model demonstrated excellent fit (Adjusted R² ≈ 97%). Optimization using Response Optimizer identified the best conditions at 134.7 °C, 4.0 bar, and 1.18 s, predicting seal strength of approximately 5,812 g/15 mm with desirability ≈ 0.95. These findings provide actionable guidance for improving seal quality, reducing defects, and enhancing process efficiency in flexible packaging manufacturing.
Antara prohibisi dan legitimasi: Analisis Komparatif Hukum Berjabat Tangan dengan Lawan Jenis dalam Pandangan Ulama Suhaeri, Suhaeri
Indonesian Journal of Islamic Jurisprudence, Economic and Legal Theory Vol. 4 No. 1 (2026)
Publisher : Sharia Journal and Education Center Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62976/ijijel.v4i1.1729

Abstract

The practice of handshaking between men and women who are not mahram (permissible marriage partners) remains a controversial issue among Muslims, especially when religious norms intersect with modern cultural and professional expectations. Divergent scholarly opinions on this issue reflect a broader tension between classical fiqh textualism and contemporary contextual reasoning. Scholars from schools such as Shafi’i and Hanbali generally prohibit it absolutely, while Hanafi scholars and some contemporary figures like Yusuf al-Qaradawi allow it under specific conditions, emphasizing intention and social context. This study investigates how classical and modern scholars interpret the ruling on handshaking with the opposite sex and how the maqāṣid al-sharīʿah framework can be used to assess the relevance and applicability of these rulings in today’s pluralistic societies. Employing a qualitative method through library research and comparative analysis, this study highlights the importance of integrating Islamic legal principles with contemporary social realities. This study concludes that the stronger opinion is the opinion that it is permissible, as long as it is not accompanied by lust and does not give rise to slander.
Implementasi Sistem Bank Sampah Digital Terpadu sebagai Solusi Minimnya Tempat Pembuangan Sampah dan Penguatan Ekonomi Masyarakat Desa Bakung Kronjo Rosadi, Imron; Supriyadi, Usep; Pradana, Anbiya Gilang; Suhaeri, Suhaeri
Jurnal Pendidikan Tambusai Vol. 10 No. 1 (2026)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v10i1.37074

Abstract

Pengelolaan sampah, masih menjadi masalah utama di daerah pedesaan, terutama di desa yang tidak memiliki Tempat Penampungan Sementara (TPS), yang memadai. Salah satu daerah yang mengalami masalah ini adalah, Desa Bakung yang terletak di Kecamatan Kronjo, Kabupaten Tangerang. Tujuan kuliah kerja nyata (KKN, ini adalah untuk membangun Sistem Bank Sampah Digital Terpadu, sebagai solusi atas minimnya TPS, dan penguatan ekonomi masyarakat. Persiapan, pelaksanaan, pengawasan dan evaluasi, adalah bagian dari metode pelaksanaan. Salah satu inisiatif utama yang dilaksanakan adalah pelatihan tentang pengelolaan sampah, kampanye pemilahan sampah di masyarakat, penempatan tong sampah terpilah, peluncuran aplikasi Bank Sampah Digital "Bakung Bersih", dan bantuan kepada pengelola bank sampah. Hasilnya menunjukkan peningkatan kesadaran dan partisipasi masyarakat, antara 70 dan 80 persen. Warga sasaran mulai menggunakan sistem digital, untuk pemilahan sampah, dan penyetoran sampah. Ditunjukkan bahwa program ini dapat berfungsi sebagai alternatif untuk pengelolaan sampah, yang tidak membutuhkan TPS fisik. Selain itu, program ini dapat memberikan nilai tambah ekonomi melalui tabungan sampah.