3.4 Pulp Bleaching Result Bleaching of four type of bamboo ranged between 94.82–96.79%, bleaching yield of pulp still high (above 95%). Pulp was conducted of their Kappa number in the range of 10.18-12.37. In general, the dissolving pulp industry in Indonesia, producing pulp with a target kappa number 10-13. Bleaching results (ODoEoD1D2) of the yield calculated to wood, the pulp yield are in the range listed in Figure 2 shows that the yield are 32.58%-36.96%. Brightness of pulp that meets the requirements of SNI 88% ISO are Sembilang bamboo pulp.