Research Article

Compatibility of Pretreated Coir Fibres (Cocos nucifera L.) with Portland Cement to Produce Mineral Composites

Table 3

Chemical composition of the coir fibre according to pretreatment used.

TreatmentLignin total (%)Extractives (%)Holocellulose (%)

Untreated34.24A4.86A60.90
Cold water30.80AB4.82A64.38
Hot water29.73B3.68B66.59
NaOH27.23B2.48C70.29

Note: distinct letters in the same column indicate a significant difference by the LSD test at α = 0.05 level.