The phenol resin production of ceiling T-Bar of physic-nut
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This research aims to produce the T-BAR particleboard from Physic nuts for interior Building, which are brought agricultural wastes to use for beneficial materials. Under the Thailand industrial standard (TIS-876-2547) specified the evaluated values such as density, Water content, water absorption, thickness swelling, bending strength, elastic modulus, and Internal bonded. The experiment and evaluation processes between Physic nuts per Urea Formaldehyde ratio and Physic nuts per Phenol-cyanate based on 90:10, 92:8, 95:5 and 97:3 In consequence, that we found the thickness of particleboard not more than 2 cm. The Suitable ratio for Phenol-cyanate 92:8 percentage (Physic nuts 92% with Phenol-cyanate 8%), And suitable ratio for Urea Formaldehyde 90:10 percentage (Physic nuts 90% with Urea Formaldehyde 10%) at 120 Celsius temperature on pressing process. The Phenol-cyanate Glue ratio of 0.80 gram per cubic centimeter suited to produce the particleboards, averaged Water content before pressing 8.89%, suitable pressure in process 150 pound per square Inch, water content 7.65%, density 0.818 gram per cubic centimeter, water absorption 14.23% during 2 hours, thickness swelling 8.02% during 2 hours, internal bond 0.56 MPa, Bending strength 21.45 MPa, modulus 2116 MPa.
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