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All Journal Jurnal Kedaymas Penamas: Journal of Community Service
Amrulloh, M. Farian
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Pelayanan Pengujian Polyurethane Di Laboratorium Korosi dan Baterai Material Departemen Teknik Material dan Metalurgi FTIRS-ITS Rohmannudin, Tubagus Noor; Sulistijono, Sulistijono; Amrulloh, M. Farian; Fachri, Muhammad
Jurnal KeDayMas: Kemitraan dan Pemberdayaan Masyarakat Vol. 4 No. 2 (2024): Juli 2024
Publisher : Research Center and Community Services (PPPM) Universitas Hayam Wuruk "Perbanas" Surabaya

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Abstract

Polyurethane is a versatile polymeric material widely used as a substitute for rubber, metal, wood, and plastic due to its flexibility and multifunctional properties. To ensure the quality and reliability of polyurethane produced by the industry, the Corrosion and Battery Laboratory of the Department of Materials and Metallurgical Engineering at FTIRS-ITS conducted comprehensive testing. The tests included compression, shear, density, closed cell content (porosity), and thermal conductivity evaluations. The results showed that the polyurethane tested performed satisfactorily, exceeding the standard in several parameters. Compression testing yielded 2.46 kg/cm² compared to the standard of 2 kg/cm². Shear testing showed 6.63 kg/cm² against the standard of 4 kg/cm². Density testing recorded 49 kg/m³ with a standard of 45 kg/m³. The closed cell content test indicated 91.01% versus the standard of 90%. However, thermal conductivity testing showed 0.2 W/mK at 25°C, differing from the standard of 0.02 W/mK at 20°C. Overall, these results suggest that the tested polyurethane meets and exceeds most quality standards, demonstrating its reliability for various industrial applications. Through these tests, the Materials Chemistry Laboratory contributes to ensuring locally produced industrial products are competitive and reliable, as part of its community service efforts.
Pelayanan pengujian kekuatan pipa HDPE di Laboratorium Kimia Material Departemen Teknik Material dan Metalurgi FTIRS-ITS Rohmannudin, Tubagus Noor; Sulistijono, Sulistijono; Amrulloh, M. Farian; Nafi’, Dian; Fachri, Muhammad
Penamas: Journal of Community Service Vol. 4 No. 1 (2024): Penamas: Journal of Community Service
Publisher : Nur Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53088/penamas.v4i1.869

Abstract

HDPE pipes are widely used in various industries, such as drinking water and sewage infrastructure, petroleum, agriculture, and construction. The advantages of HDPE pipes include corrosion resistance, light weight, easy installation, and low maintenance costs. Checking the quality of HDPE pipes, spesifically from industry that we tested, is important to ensure infrastructure safety, prevent system failure, improve operational efficiency, obtain user satisfaction, and conserve resources. We evaluated HDPE pipes with type PN 12.5 SDR 13.6 from industry in terms of resistance to hydrostatic pressure, tensile strength, and expansion capability. The evaluation was carried out at the Material Chemistry Laboratory of the Department of Material Engineering and Metallurgy FTIRS-ITS ITS in accordance with the standards of SNI 4829.2: 2015, ASTM D 638 M, and SNI 2553: 1999. The results show that HDPE pipes can withstand hydrostatic pressure up to 12 bar without leakage. The average tensile strength is 43.34 MPa with an average elongation of 354%, indicating ductile pipe properties with necking. Pipe expansion was observed to be 0.195%, indicating a good ability of the pipe to undergo expansion.
Pelayanan Pengujian Polyurethane Di Laboratorium Korosi dan Baterai Material Departemen Teknik Material dan Metalurgi FTIRS-ITS Rohmannudin, Tubagus Noor; Sulistijono, Sulistijono; Amrulloh, M. Farian; Fachri, Muhammad
Jurnal KeDayMas: Kemitraan dan Pemberdayaan Masyarakat Vol. 4 No. 2 (2024): Juli 2024
Publisher : Research Center and Community Services (PPPM) Universitas Hayam Wuruk "Perbanas" Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Polyurethane is a versatile polymeric material widely used as a substitute for rubber, metal, wood, and plastic due to its flexibility and multifunctional properties. To ensure the quality and reliability of polyurethane produced by the industry, the Corrosion and Battery Laboratory of the Department of Materials and Metallurgical Engineering at FTIRS-ITS conducted comprehensive testing. The tests included compression, shear, density, closed cell content (porosity), and thermal conductivity evaluations. The results showed that the polyurethane tested performed satisfactorily, exceeding the standard in several parameters. Compression testing yielded 2.46 kg/cm² compared to the standard of 2 kg/cm². Shear testing showed 6.63 kg/cm² against the standard of 4 kg/cm². Density testing recorded 49 kg/m³ with a standard of 45 kg/m³. The closed cell content test indicated 91.01% versus the standard of 90%. However, thermal conductivity testing showed 0.2 W/mK at 25°C, differing from the standard of 0.02 W/mK at 20°C. Overall, these results suggest that the tested polyurethane meets and exceeds most quality standards, demonstrating its reliability for various industrial applications. Through these tests, the Materials Chemistry Laboratory contributes to ensuring locally produced industrial products are competitive and reliable, as part of its community service efforts.
Co-Authors Muhammad Fachri Nafi’, Dian Sulistijono Sulistijono Tubagus Noor Rohmannudin, Tubagus Noor