Likuifikasi Limbah Perekat Likuida Areca Nut Husk Bamboo Batang Pinang Cement Board Cement Content Composite Durability Fiber Plastic Composite Forest product Islamic Religious Education Kualitas Perekat Kulit Buah Kakao Luar Dan Dalam Liquifaction Papan semen Physical And Mechanical Properties Polietilena Serat Kertas Kardus Sifat Fisis Dan Sifat Mekanis Waste Wood Adhesive banana stem waste empty fruit bunches extention fortification limbah kardus mahogany’s natrium silikat oil palm trunk waste particle board particle treatment particleboard phenol formaldehyde physical and mechanical properties physical and mechanical properties physical and mechanical properties sifat fisis dan mekanis wood liquid