
Ihak Sumardi, M.Si., Ph.D
Associate Professor
Forestry Technology
School of Sciences and Technology
Bandung Institute of Technology
Email : ihak@itb.ac.id
SINTA | Google Scholar | Scopus
OVERVIEW
Ihak Sumardi, M.Si., Ph.D. is a lecturer in the Forest Technology expertise group with research interests in bamboo-wood strandboard manufacturing, wood science and bio-composites, and forestry sciences.
| Year | Institution | Program | Notes |
|---|---|---|---|
| 2007 | Gifu University, Japan | Utilization of Biological Resources | Doctoral Degree |
| 2000 | Institut Pertanian Bogor (IPB), Indonesia | Composite Wood | Master’s Degree |
| 1994 | Institut Pertanian Bogor (IPB), Indonesia | Wood Preservative | Bachelor’s Degree |
International Journal
| Year | Author, Title, Journal, DOI |
|---|---|
| 2026 | Nurhasanah, S., Sulistyawati, E., Sumardi, I., & Darwis, A. (2026). The Effect of Boiling and Dry Heating on the Starch Content and Durability of Betung Bamboo (Dendrocalamus asper). Journal of the Korean Wood Science and Technology, 54(2), 202–215. https://doi.org/10.5658/wood.2026.54.2.202 |
| 2025 | Nurhasanah, S., Sulistyawati, E., Sumardi, I., & Darwis, A. (2025). Morphological and vascular bundles characteristics of Betung Bamboo (Dendrocalamus asper) culm based on differences in growing environment. IOP Conference Series Earth and Environmental Science, 1573(1), 012006. https://doi.org/10.1088/1755-1315/1573/1/012006 |
| 2025 | Hartono, R., Erwinsyah, E., Siregar, Z., Sumardi, I., Sutiawan, J., & Suhesti, E. (2025). Distribution vascular bundles and moisture content of oil palm trunk. AIP Conference Proceedings, 3285, 020011. https://doi.org/10.1063/5.0242020 |
| 2025 | Rahmani, A. a. N., Rumidatul, A., & Sumardi, I. (2025). Exploration of alternative preservative materials used on bamboo-infecting fungi. AIP Conference Proceedings, 3285, 020045. https://doi.org/10.1063/5.0241126 |
| 2025 | Sembada, A. A., Hanisia, R. H., Yuliar, Y., Hidayat, Y., & Sumardi, I. (2025). Advances in technology for seed germination of bamboo species. Advances in Bamboo Science, 100143. https://doi.org/10.1016/j.bamboo.2025.100143 |
| 2025 | Hartono, R., Iswanto, A. H., Priadi, T., Sumardi, I., Sutiawan, J., & Tambunan, F. A. (2025). Fiber quality of Peol Bamboo (Dendrocalamus giganteus Wallich ex Munro) as a raw for pulp and paper. AIP Conference Proceedings, 3285, 020010. https://doi.org/10.1063/5.0242019 |
| 2025 | Mikha, M., Rumidatul, A., Dungani, R., & Sumardi, I. (2025). A comparative study of preservation method for bamboo Betung (Dendrocalamus asper) based on its retention and penetration. AIP Conference Proceedings, 3285, 020031. https://doi.org/10.1063/5.0240219 |
| 2025 | Al’afifah, J. A., Sumardi, I., & Darwis, A. (2025). Analysis of the potential bamboo and bamboo processing industry in Sumedang District, West Java, Indonesia. Asian Journal of Forestry, 9(1). https://doi.org/10.13057/asianjfor/r090103 |
| 2024 | Alamsyah, E. M., Azzahra, A. N., Suhaya, Y., Sutrisno, N., Sumardi, I., Darwis, A., Suheri, A., Malik, J., & Munawar, S. S. (2024). Characteristics of LVB made of gmelina wood (Gmelina arborea Roxb.) with the addition of diammonium phosphate and sodium silicate fire retardants. BioResources, 20(1), 972–993. https://doi.org/10.15376/biores.20.1.972-993 |
| 2024 | Al’Afifah, J. A., Sumardi, I., Darwis, A., Melani, L., & Suhaya, Y. (2024). Evaluation of staining betung bamboo (Dendrocalamus asper) using natural and synthetic dyes with and without the addition of preservatives. IOP Conference Series Earth and Environmental Science, 1309(1), 012002. https://doi.org/10.1088/1755-1315/1309/1/012002 |
| 2023 | Suhaya, Y., Sumardi, I., Alamsyah, E. M., Sutrisno, N., & Hidayat, Y. (2023). Environment’s effect on wood characteristics of white jabon grown in West Java and Banten area, Indonesia. BioResources, 19(1), 405–415. https://doi.org/10.15376/biores.19.1.405-415 |
| 2024 | Sulastiningsih, I. M., Trisatya, D. R., Indrawan, D. A., Supriadi, A., Aini, E. N., Santoso, A., Yuniarti, K., Prasetiyo, K. W., Syamani, F. A., Prabawa, S. B., Subiyanto, B., & Sumardi, I. (2024). Properties of oriented strand boards made from two Indonesian bamboo species at different pressure levels and strand lengths. BioResources, 19(2), 2863–2882. https://doi.org/10.15376/biores.19.2.2863-2882 |
| 2020 | Sumardi, I., Hadiyane, A., Rumidatul, A., Melani, A. 2020. Characteristics of Empty Palm Bunch Fibers as Alternative Pulp Material. American Journal of Applied Sciences, 17: 129-134 |
| 2020 | Rahmawati, N., Sumardi, I., and Dungani, R. 2020. Isolation and identification of fungi inhabiting rubber-impregnated wood, and their role of quality changing the impregnated wood. BioResources 15(2), 2839-2849. |
| 2020 | Alamsyah, E. M., Sumardi, I., Darwis, A., Suhaya, Y., Hidayat, Y. 2020. The possible use of surian tree (Toona sinensis Roem) branches as an alternative raw material in the production of composite boards. Journal of Wood Science 66:25 |
| 2019 | Karliati, T., Febrianto, F., Syafii, W., Wahyudi, I., Sumardi, I., Lee, S. H., Kim, N. H. 2019. Properties of Laminated Wood Bonded with Modified Gutta-Percha Adesive at Various Surface Roughness Profile of Laminae. Bioresources, 14(4):8241-8249. |
| 2019 | Maulana, S., Gumelar, Y., Fatrawana, A., Maulana, M. I., Hidayat, W., Sumardi, I., Wistawa, N. I., Lee, S. H., Kim, N. H., Febrianto, F. 2019. Destructive and Non-destructive Tests of Bamboo Oriented Strand Board under Various Shelling Ratios and Resin Contents. Journal Korean Wood Science Technology, 47(4):519-532. |
| 2018 | Darwis, A., Sumardi, I., Suhaya, Y., Sunarya, S. 2018. Characteristic of vascular bundles and morphologi of Giganthochloa apus culm. Asian Journal of Plant Sciences 129-133 |
| 2018 | Karliati, T., Sumardi, I., Darwis, A., and Rumidatul, A. (2018). Incorporation of phenol formaldehyde based black liquor as an adhesive on the performance of plywood. Biol. Sci. 18(7), 346-353. P-ISSN 1727-3048. E-ISSN 1812-5719 |
| 2018 | Sumardi, I., Dungani, R., Suhaya, Y. Rumidatul, A., Rofii M. N. 2018. Alternative Materials for Strandboards Made with Waste Veneer from Industrial Plywood in Indonesia. BioResources, 13(4): 8385. |
| 2017 | Maulana, S., Busyra, I., Fatrawana, A., Hidayat, W., Sari, R. K., Sumardi, I., Witsawa, I. N. J., Lee, S. H., Kim, N. H., Febrianto, F. 2017. Effects of Steam Treatment on Physical and Mechanical Properties of Bamboo Oriented Strand Board. Journal Korean Wood Science Technology, 45(6):872-882 |
| 2017 | Alamsyah, E. M., Sumardi, I., Sutrisno, Darwis, A., Suhaya, Y. 2017. Bond Quality of Laminated Wood Made from Surian (Toona sinensis Roem) and Sengon (Paraserianthes falcataria (L.) Nielsen). Journal Biological Scinece, 18:32-38 |
| 2016 | Dungani, R., Abdul Khalil, H.P.S., Islam, Md.N., Sumardi, I., Aditiawati, P., Hadiyane, A. 2016. Soil burial degradation of Oil Palm Shell (OPS) nanofiller and Phenol Formaldehyde (PF) resin-impregnated Oil Palm Trunk Lumber (OPTL): Dimensional stability and mechanical properties. Journal of Biobased Materials and Bioenergy |
| 2016 | Sulaeman, A., Dungani, R., Islam, Md. N., Khalil, H. P. S. A., Sumardi, I., Hernawan, D., Hadiyane, A. 2016. Preliminary Study of Characterization of Nanoparticles from Coconut Shell as Filler Agent in Composites Materials. Journal of Material Science, 1:1-9. |
| 2015 | Sumardi, I., Suzuki, S., Rahmawati, N. 2015. Effect of Board Type on Some Properties of Bamboo Strandboard. Journal Mathematic and Fundamental Science, 47(1):52-61. Dungani R., Khalil H.P.S.A., Sumardi I., Suhaya Y., Sulistyawati E., Islam M.N., Suraya N.L.M., Aprilia N.A.S. 2015. Non-wood renewable materials: Properties improvement and its application. Biomass and Bioenergy: Applications. |
| 2014 | Sumardi, I.; Suzuki, S.; 2014. Dimensional Stability and Mechanichal Properties of Strandboard Made from Bamboo. BioResources Journal 9(1): 1159-1167. |
| 2013 | Sumardi, I.; Suzuki, S.; 2013. Parameters of strand alignment distribution analysis and bamboo strandboard properties. BioResources Journal 8(3):4459-4467. |
| 2013 | Rudi Dungani, H.P.S. Abdul Khalil, Ihak Sumardi, Yoyo Suhaya, Endah Sulistyawati, Md. Nazrul Islam, N.L.M. Suraya and N.A. Sri Aprilia. 2013. Non-wood Renewable Materials: Properties Improvement and Its Application (in editing). In: Khalid Hakeem, Mohammad Jawaid, Umer Rashid (ed.). Biomass and Bioenergy: Applications (Volume II). SPRINGER-Verlag Publisher, (Accepted and now in editing) |
| 2010 | Sumardi, I.; Suhaya, Y; Trio Putra, T. 2010. Some importance properties of bamboo-wood strandboard. Jurnal Ilmu dan Teknologi Kayu Tropis. 8(1):77-82. |
| 2010 | Sumardi, I.; Nurcipto, H.; Abbas, A. 2010. Pembuatan papan stranboard dari bambu betung (Strandboard manufactured from bamboo). Wana Mukti Forestry Research Journal. 11(1):47-52. |
| 2008 | Sumardi, I.; Kojima, Y; Suzuki, S. 2008. Effect of strand length and layer structure on some properties of strandboard made from bamboo. J. Wood Sci. 54(2):128-133. |
| 2007 | Sumardi, I.; Ono, K; Suzuki, S.: 2007. Effect of board density and layer structure on the mechanical properties of bamboo oriented strandboard, J. Wood Sci. 53(6):510-515 |
| 2006 | Sumardi, I.; Suzuki, S.; Ono, K.: 2006. Some important properties of strandboard manufactured from bamboo, Forest Prod. J., 56(6):59-63. |
National Journal
| Year | Author, Title, Journal, DOI |
|---|---|
| 2021 | Azmi, W. K., Sumardi, I., & Suhaya, Y. (2021). Karakterisasi Asap Cair Distilasi dan Terdistilasi Vakum dari Limbah Serasah Pinus. Jurnal Selulosa, 11(02), 103. https://doi.org/10.25269/jsel.v11i02.334 |
| 2019 | Maulana, S., Damanik, M. Q. A., Marwanto, Maula, M. I., Fatrwana, A., Sumardi, I., Wistawa, N. J., Febrianto, F. 2019. Ketahanan Oriented Strand Board Bambu Betung dengan Perlakuan Steam pada Strand terhadap Cuaca. Jurnal Imu Teknologi Kayu Tropis 17(1):34-46. |
| 2004 | Sumardi, I.; Nur, S.H.: 2004. Uji pengawetan awal terhadap serangan jamur biru pada kayu tusam/Pinus merkusii. Wana Mukti Forestry Research Journal, 3(1):61-66 |
| 2003 | Sumardi, I.; Suhaya, Y; Firmansyah, F.: 2003. Pengaruh pencampuran kulit dan partikel kayu Acasia (Acasia mangium Wild) terhadap kualitas papan partikel. Wana Mukti Forestry Research Journal, 2(1):61-71 |
| 2001 | Bakar. E.S; Hadi, Y.S; Rahman, O; Sumardi, I.: 2001. Perbaikan kualitas kayu sawit: Impregnasi dengan phenol formaldehyde. Jurnal Teknologi Hasil Hutan, 15(2): 14-19 |
| 1998 | Sumardi, I. 1998. Berat sebagai dasar penentu kualitas kayu untuk 20 jenis kayu tropika. Majalah Ilmiah Universitas Winaya Mukti 8: 21-24 |
| 1997 | Hartono, R; Sumardi, I. 1997. Pengaruh pengukusan, perendaman urea, perendaman ammonia terhadap retensi, penetrasi basilit triple PI pada kayu kruing dan kamper. Majalah Ilmiah Universitas Winaya Mukti 5:27-31 |
| Year | Research Funding |
|---|---|
| 2020 | Pengembangan Bambu Hybrid Sebagai Alternatif Pemenuhan Bahan Baku Industri |
| 2020 | Peningkatan Kualitas Kayu dari Aspek Ketahanan terhadap Serangan Fungi |
| 2020 | Potensi Limbah Tandan Kosong Kelapa Sawit sebagai Bahan Baku Substitusi Impor Dalam Mendukung Industri Pulp dan Kertas Nasional |
| 2021 | Karakteristik Bambu Impregnasi |
| 2021 | PM Top Down Tahun 2021 – Aplikasi Teknologi Pengeringan dan Pengawetan Bambu untuk Meningkatkan Keawetan Material pada Produk Sepeda dari Bambu |
| 2021 | Komposit Epoksi dengan Penambahan Filler Mikro, Nano dan Mikro/Nano Karbon Hitam dan Karbon Aktif Tempurung Kelapa |
| 2021 | Pemanfaatan Material Berbasis Selulosa untuk Mengembangkan Pakaian Pelindung Diri yang Berkelanjutan (Sustainable Personal Protective Clothing) [SITH.PN-6-09-2021] |
| 2022 | Aplikasi Teknologi Pengawetan Injeksi “Boucherie” pada Bambu Betung untuk Meningkatkan Kualitas Material sebagai Bahan Baku Frame Sepeda Bambu di Kabupaten Temanggung |
| 2022 | Desain dan Evaluasi Kinerja Alat Pengering Surya (Solar Dryer) untuk Pengeringan Bambu |
| 2022 | The 14th International Symposium of Indonesian Wood Research Society |
| 2023 | Karakteristik Bambu Hybrid Laminasi Sebagai Alternatif Pengganti Kayu |
| 2023 | Menentukan Luas Hutan Minimal di Daerah Tangkapan Air (DTA) Cikeruh untuk Penyediaan Air Berkelanjutan |
| 2023 | Optimalisasi Keberhasilan Proses Pengawetan sebagai Acuan bagi Industri Pengolahan Bambu |
| 2023 | Pengembangan Laminated Veneer Lumber (LVL) dari Kayu Sengon sebagai Komponen Rumah untuk Lantai Kayu Tahan Api dan Tahan Rayap Tanah serta Nilai Keekonomiannya |
| 2023 | Pengeringan Metoda Pengasapan Solusi Bagi Industri Pengolahan Bambu yang Murah dan Ramah Lingkungan |
| 2023 | Workshop Kegiatan Pelatihan Budidaya Anggrek |
| 2024 | Eksplorasi Pengawetan Bambu Menggunakan Bahan Alami yang Ramah Lingkungan |
| 2024 | Pelatihan Pengolahan Bambu Komersial di Lahan Bekas Galian Tambang, Sungai Seluang, Kec. Samboja, Kab. Kutai Kartanegara |
| 2024 | Karakterisasi Anatomi dan Kimiawi Bambu Bengkok Alami pada Internode Bambusa vulgaris [SITH.PPMI-1-37-2024] |
| 2025 | Variasi Karakteristik Dasar Bambu Betung (Dendrocalamus asper) terhadap Sifat Fisik dan Mekanik [SITH.PPMI-1-35-2025] |
| 2025 | EQUITY2025 – Pengembangan Teknologi Pengeringan Bambu untuk Mendukung Pengrajin Bambu di Kabupaten Ngada [DRI.PN-17-144-2025] |
| 2025 | Efektivitas Penurunan Kandungan Pati terhadap Tingkat Serangan Kumbang Bubuk pada Bambu Betung [DRI.PN-14-61-2025] |
| 2025 | Efektivitas Penurunan Kandungan Pati terhadap Tingkat Serangan Kumbang Bubuk pada Bambu Betung |
| 2026 | Optimasi Suhu dan Waktu Heat Steam Treatment terhadap Sifat Fisik, Mekanik, dan Kandungan Pati Bambu Tali (Gigantochloa apus) [SITH.PN-6-213-2026] |
| Year | Activity | Leader | Member |
|---|---|---|---|
| 2021 | PM TOP DOWN TAHUN 2021 – APLIKASI TEKNOLOGI PENGERINGAN DAN PENGAWETAN BAMBU UNTUK MENINGKATKAN KEAWETAN MATERIAL PADA PRODUK SEPEDA DARI BAMBU [LPPM.PM-8-53-2021] | Ihak Sumardi | Rudi; |
| 2022 | APLIKASI TEKNOLOGI PENGAWETAN INJEKSI “BOUCHERIE” PADA BAMBU BETUNG UNTUK MENINGKATKAN KUALITAS MATERIAL SEBAGAI BAHAN BAKU FRAME SEPEDA BAMBU DI KABUPATEN TEMANGGUNG [SITH.PM-8-22-2022] | Ihak Sumardi | |
| 2023 | WORKSHOP KEGIATAN PELATIHAN BUDIDAYA ANGGREK [SITH.PM-10-02-2023] | Ihak Sumardi | |
| 2024 | PELATIHAN PENGOLAHAN BAMBU KOMERSIAL DI LAHAN BEKAS GALIAN TAMBANG, SUNGAI SELUANG, KEC. SAMBOJA, KAB. KUTAI KARTANEGARA [LPPM.EXT-2-26-2024] | Ihak Sumardi | |
| 2025 | PENINGKATAN KAPASISTAS DAN KELEMBAGAAN KELOMPOK MASYARAKAT (KEMAS) DALAM TATA LAKSANA SISTEM AGROFORESTRI MASYARAKAT LOKAL KALTARA [SITH.PPMI-2-04-2025] | Anne Hidayane | Atmawi Darwis; Sopandi Sunarya; Noviana Budianti; Endah Sulistyawati; Eka Mulya Alamsyah; Yayat Hidayat; Ihak Sumardi; Yoyo Suhaya; Rudi Dungani; Alfi Rumidatul; Tati Karliati; Susana Paulina Dewi; Sutrisno; Asep Suheri; Anca Awal Sembada; Jeprianto Manurung; |
| 2025 | PEMANFAATAN LIMBAH INDUSTRI KAYU SEBAGAI BAHAN BAKU ENERGI TERBARUKAN DI KABUPATEN CIAMIS [DPMK.PM-8-83-2025] | Ihak Sumardi | – |
| Year | Location | Programm | Notes |
|---|---|---|---|
| 2013 | ITB Bandung, Indonesia | Sumardi, I., Suzuki, S., and Rachmawati, N. 2013. Effect of Board Type on Some Properties of Bamboo Strandboard. International Seminar on Tropical Bio-Resources for Sustainable Bio-Industry 2013 (ISTB 2013). 30-31 October 2013 | Presenter |
| 2013 | Balikpapan, Indonesia | Sumardi, I. 2013. The Manufacture of Particleboard Using Wood Wasted from Plywood Industry. The Fifth International Symposium of Indonesian Wood Research Society (IWoRS), November 7-8, 2013 | Presenter |
| 2011 | Yogyakarta, Indonesia | Sumardi, I.; Darwis, A. 2011. Strandboard Manufacture from Veneer Wasted. The 3rd International Symposium of Indonesian Wood Research Society | Presenter |
| 2009 | Bogor, Indonesia | Sumardi, I.; Suhaya, Y.; Trio Putra, T. 2009. Some Importance Properties of Bamboo-Wood Strandboard. The first International Symposium of Indonesian Wood Research Society | Presenter |
| 2008 | Miyazaki, Japan | Suzuki, S.; Sumardi, I.; Kojima, Y. 2008. Effect of mat-forming parameters on the basic properties of bamboo oriented strandboard. The 10th Symposium of World Conference on Timber Engineering. p. 143 | Presenter |
| 2007 | Hiroshima, Japan | Sumardi, I.; Kojima, Y.; Suzuki, S. 2007. The strand alignment analysis using the von Mises. Proceedings of the 57th Annual Meeting of Japan Wood Research Society, JWRS, p. 45 | Presenter |
| 2006 | Oporto, Portugal | Suzuki, S.; Sumardi, I.; Ono, K. 2006. Effect of manufacturing parameter on the mechanical properties of bamboo strandboards. Proceeding of the 2nd International Conference on Environmentally-Compatible Forest Products, p. 473-481 | Presenter |
| 2006 | Akita, Japan | Sumardi, I.; Kojima, Y.; Suzuki, S. 2006. Effects of layer-structure on strandboard from bamboo, Proceedings of the 56th Annual Meeting of Japan Wood Research Society, JWRS, p. 54 | Presenter |
| 2005 | Yokohama, Japan | Sumardi, I.; Ono, K.; Suzuki, S. 2005. Effect of density and layer structure on the mechanical properties of bamboo strandboard, Proceedings of the IWPS2005 International Symposium on Wood Science and Technology, pp. 111-112 | Presenter |
| 2005 | Bali, Indonesia | Suhaya, Y.; Darwis, A.; Sumardi, I. 2005. Physical and mechanical properties of teak wood (Tectona grandis L.F) on various ages class (I-VIII). Proceeding of the 6th International Wood Science Symposium, p. 14 | Presenter |
| 2002 | Serpong, Indonesia | Sumardi, I.; Entang, R. 2002. Physical and mechanical properties of densified oil palm wood. Proceeding of the 4th International Wood Science Symposium, p. 66 | Presenter |
| Year | Organization’s Name | |
|---|---|---|
| 1997-present | Indonesian Wood Research Society (IWoRS) | |
| 2004-present | The Japan Wood Research Society |
Undergraduate Courses
- Forest biosystem research and seminar, research methodology, postharvest product shrinkage
- Final Project I: Postharvest research, Final Project II: Preliminary design of postharvest systems, seminar and defense
- Postharvest processing of forest wood products, environmental knowledge, postharvest process system design
| Academic year | Course name |
|---|---|
| 2024/2025 | Drying Technology |
| 2024/2025 | Postharvest Research |
| 2024/2025 | Postharvest Research Methodology |
| 2024/2025 | Final Project II: Preliminary Design of Postharvest Systems |
| 2024/2025 | Bioproduct Certification |
| 2024/2025 | Wood Processing Technology |
| 2024/2025 | Environmental Knowledge |
| 2024/2025 | Research Methodology |
| 2024/2025 | Postharvest Research Methodology |
| 2024/2025 | Postharvest Process Systems |
| 2024/2025 | Bamboo Processing Technology |
| 2024/2025 | Postharvest Research |
| 2024/2025 | Postharvest System Design |
| 2025/2026 | Research Methodology |
| 2025/2026 | Drying Technology (K02) |
| 2025/2026 | Postharvest Research (K01) |
| 2025/2026 | Postharvest Research Methodology |
| 2025/2026 | Postharvest System Design |
| 2025/2026 | Bioproduct Certification |
| 2025/2026 | Wood Processing Technology |