Penelitian ini bertujuan untuk mengetahui nilai sifat fisika dan mekanika papan laminasi bambu petung berdasarkan susuanan bilah kearah tebal dan pengaruh berat labur terhadap sifat fisika dan mekanikanya. Metode yang digunakan menggunakan metode eksperimen dengan rancangan percobaan menggunakan Rancangan Acak Lengkap (RAL) non faktorial dengan dua perlakuan berat labur serta tiga kali ulangan. Berdasarkan hasil penelitian maka dapat ditarik beberapa kesimpulan mengenai sifat fisika dan mekanika papan laminasi bambu petung dengan susunan bilah ke arah tebal: sifat fisika memiliki nilai rata-rata kadar air sebesar13,128%, kerapatan sebesar 0,459 gram/cm3, pengembangan tebal sebesar 4,206%, penyusutan tebal sebesar 5,044%, MoE sebesar10001,776 kgf/cm2 dan MoR sebesar 267,401 kgf/cm2. Berat labur tidak berpengaruh terhadap sifat fisika dan mekanika papan laminasi bambu petung kecuali pada pengujian penyusutan tebal. Berdasarkan kelas kuat papan laminasi maka papan laminasi bambu petung masuk dalam kelas kuat III yang dapat dimanfaatkan sebagai bahan bangunan seperti rangka pintu, jendela, panel, perabot rumah tangga dan industri kayu.
Sifat fisika dan mekanika merupakan salah satu indikator yang dapat menentukan kualitas kayu. Jadi, sifat fisika merupakan gambaran nyata dari fisik kayu yang berpengaruh terhadap kebasahannya sehingga sangatlah penting untuk diketahui. Sedangkan sifat mekanika merupakan sifat yang digunakan untuk mendeskripsikan kekuatan kayu laminasi maupun kayu solid. Penelitian ini bertujuan untuk mengetahui pengaruh berat labur terhadap sifat fisika dan mekanika papan laminasi kayu bayur dan jati putih serta pemanfaatannya berdasarkan nilai kelas kuatnya. Metode yang digunakan dalam penelitian ini menggunakan metode eksperimen. Rancangan penelitian yang digunakan menggunakan Rancangan Acak Lengkap (RAL) factorial dengan 2 faktor (berat labur dan jenis kayu). Berat labur papan laminasi kayu bayur dan jati putih berpengaruh nyata pada pengujian kadar air, pengembangan tebal, MoE dan tidak berpengaruh nyata pada pengujian kerapatan, penyusutan tebal dan MoR. Semua pengujian sifat fisika dan mekanika telah memenuhi standar JAS 234-2007 kecuali pada pengujian penyusutan tebal dan MoE. Berdasarkan nilai Journal of Forest Science Avicennia│Vol. 05 No.02│e-issn:2622-8505│2022 83Doi: 10.22219/avicennia.v5i2.20423kerapatan maka papan laminasi kayu bayur dan kayu jati masuk dalam kelas kuat III yang dapat dimanfaatkan sebagai bahan konstruksi berat yang terlindungi.
ABSTRAKBambu sebagai produk papan laminasi saat ini pemanfaatannya masih terbatas sementara potensi bambu di Nusa Tenggara Barat cukup tinggi dimana bambu juga merupakan salah satu HHBK unggulan di Nusa Tenggara Barat. Berdasarkan penelitian yang telah dilakukan, papan laminasi bambu diaplikasikan menjadi bentuk kerajinan yang memberikan nilai ekonomis bagi masyarakat. Salah satu bentuk kerajinan yang diajarkan bagi kelompok tani adalah pembuatan cutting board dari papan laminasi bambu. Diharapkan dengan memberikan pelatihan pembuatan papan laminasi bambu dan aplikasinya sebagai cutting board akan memberikan lapangan kerja baru bagi masyarakat dan meningkatkan nilai jual bambu. Sasaran kegiatan pelatihan pembuatan papan laminasi dan aplikasinya sebagai cutting board adalah (1). Memberikan wawasan kepada masyarakat tentang teknik sederhana pembuatan papan laminasi bambu sebagai pengganti kayu, (2). Memberikan wawasan peluang usaha baru pada masyarakat, (3). Memberikan pembelajaran pembuatan cutting board dari papan laminasi bambu sebagai salah satu aplikasi papan laminasi. Kata kunci: papan laminasi; bambu; cutting board; kerajinan ABSTRACTCurrently, the utilization of bamboo as a laminated board product is still limited, while the potential of bamboo in West Nusa Tenggara is quite high where bamboo is also one of the leading NTFPs in West Nusa Tenggara. Based on the research that has been done, bamboo laminated boards are applied to form crafts that provide economic value for the community. One form of craft that is taught to farmer groups is the manufacture of cutting boards from bamboo laminated boards. It is hoped that by providing training on making bamboo laminated boards and their application as cutting boards, it will provide new jobs for the community and increase the selling value of bamboo. The targets of the training activities for the manufacture of laminated boards and their application as cutting boards are (1). Providing insight to the community about the simple technique of making bamboo laminated boards as a substitute for wood, (2). Providing insight into new business opportunities to the community, (3). Provide learning to make cutting boards from bamboo laminated boards as one of the applications of laminated boards Keywords: laminated boards; bamboo; cutting board; craft
Currently, need for wood as a raw material for making boards has increased, which has reduced the availability of forest resources. To overcome this problem, industrial waste or other lignocellulosic materials are used to make particle board with the aim of efficient use of wood. Particle board has advantages, namely the use of raw materials can be either wood or non-wood waste. Therefore, particle board processing can overcome the problem of handling wood waste which has not been optimally carried out. This research aimed to analyze the physical properties of particle board made from bamboo and sugar palm waste. This study used an experimental method with a completely randomized design (CRD) with one factor (adhesive content), namely 10%, 12%, and 14%. The results of this study showed that physical properties of bamboo particle board at adhesive content of 10%, 12%, and 14% ranged from, respectively: water content (10.26%, 9.96%, dan 9.79%); density (0.69 gr/cm3, 0.68 gr/cm3, dan 0.71 gr/cm3); thickness swelling (21.57%, 20.07%, dan 19.23%). While the palm sugar particle board with adhesive content of 10%, 12%, and 14% respectively: water content (11.29%, 10.91%, dan 10.22%); density (0.70 gr/cm3, 0.69 gr/cm3, dan 0.71 gr/cm3); thickness swelling (26.00%, 22.90%, dan 22.85%). From the physical properties of the two types of particle board, the water content and density of particle board fulfilled JIS A-2003 standard, while thickness swelling did not fulfilled JIS A-2003 standard. Based on the value of moisture content and density, the use of bamboo particle board and palm sugar is suitable for interior materials.
Nowadays, there is growing interested in development of environmentally friendly and nontoxic wood adhesives. The objective of this research was to determined the characteristics of starch, tannin, and cowhide adhesives by adding phenol formaldehyde as a fortifier. The quality of its bonding properties for afrika laminated wood was also investigated. Determination of characterization of bioadhesive was conducted based on SNI 06-4567-1998. The quality of bonding properties for laminated wood was conducted based on SNI 06-6049-1991 and all parameters values compare to JAS 1152-2007. Based on the research characteristic of bioadhesive values for visualization tes, viscosity tes fullfill SNI 06-4567-1998 requirement. For pH, solid content, and glatination time not all sampel fullfill requirement values. All parameters of physical properties of all of sample afrika laminated wood meet the JSA 1152-2007 requirement. For Afrika laminated wood made from starch and tannin adhesive have good value for delamination test. Moreover, for shear strength parameter test not fullfill JSA 1152-2007 requirement. All of sampel have only for interior purposes.
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