PAPAN SEMEN-GYPSUM DARI CORE-KENAF (Hibiscus cannabinus L.) MENGGUNAKAN TEKNOLOGI PENGERASAN AUTOCLAVE
Abstract: Cement and gypsum
bonded cellulosic fiber reinforced materials are ultimately ideal ecological
building products. Their capability to use industrial coproducts and wastes as
both their matrix material make its reinforcement also environmentally
sustainable products. The objective of this study was to evaluate the effect of
proportion cement-gypsum and curing autoclave time on the properties of cement
gypsum board from core-kenaf. Three levels of proportion cement and gypsum were
applied, namely; 40:60, 50:50, and 60:40, where cements contain at face-back
layers and gypsum contain at core layers. Five levels of curing autoclave time
were applied, namely ; conventional curing 2 weeks (control), curing autoclave
2, 4, 8, and 16 hours. CaCl2 3% and Borax 2 % was used as an accelerator and
retarder. The physical and mechanical properties of cement-gypsum board were
observed in according to JIS A 5417-1992. The results show that the physical
and mechanical properties were gain on proportion of cement-gypsum 60:40 with 8
hours curing autoclave.
Penulis: Rohny Setiawan Maail,
Dede Hermawan, Yusuf Sudo Hadi
Kode Jurnal: jpkehutanandd060029
