They will also provide some background about the property being tested. H���KoS1�����W"�?ƶ���"���.D� R�ԇ���}�$�YTwc�q�s�Ng����u1�R,0��a��W�B���rk����:(ߌ�(9(�����г�`�w$�(#返����W)�#z��I��n̦"�]8��>����V�Z����4oѲc�0r�$�Eˁ��A�UA0�MM�� ��h���]N,y��b��8�Ǵ��E(I�B]�������b��O8�t�`mbt�������U�ʅ�zr7. 0000005683 00000 n These results demonstrate that the MHE-GC … 0000005717 00000 n <]>> 0000000936 00000 n %%EOF Regardless of the moisture content of any pulp shipment, the weight of air-dry pulp is calculated and the shipment invoiced on this air-dry basis. Free of alum-rosin sizing (ASTM D 549 or TAPPI T-408) Free of optical whitening agent and fire retardant. 0000005340 00000 n 0000005944 00000 n trailer startxref The overall learning objective is to increase your understanding of why and how these tests and procedures are … Unbleached hardwood and softwood fiber from full-scale kraft pulp … 0000003381 00000 n Available for Subscriptions. 0000008340 00000 n The TAPPI T 413 Ash 900°C method for determination of ash can be applied to all types of wood, pulp, paper and paperboard. 10.5 In 2011 a safety section, English units, and some tolerances were added. Unlike complex laboratory equipment, portable NIR equipment is designed for ease of use. Your comments and suggestions on this procedure are earnestly requested and should be sent to the … 0000000016 00000 n 52 32 ABSTRACT: A laboratory study was conducted looking at the effects of moisture content on wet tear strength in handsheets. 0000005249 00000 n 0000003934 00000 n (���b @�'���0��5,*V�� fC�R��QPH���IIH 0000003103 00000 n 0000005112 00000 n 0000018193 00000 n 0000006652 00000 n Understanding how to modify this structure to improve water removal without affecting pulp strength is the key to higher pressed dryness. Precision 9.1 Repeatability = 10% 9.2 Reproducibility = not known. 0000004856 00000 n Moisture is significant for economic reasons and for its effect on such properties as printability, shrinkage, dimensional stability, physical strength, and paper runnability. Moisture content of fiber glass mats 1. Providing a specified humidity and temperature for testing or process control can be difficult and reaching the TAPPI (Technical Association of the Pulp and Paper Industry) prescribed testing atmosphere of 23°C +1°/50% RH ±2% can be close to impossible. 2.1 The overall management of the TAPPI Standards program, including the content of these Regulations and Style Guidelines, is the responsibility of the Quality and Standards Management Committee of the TAPPI Board of Directors, with the advice and consent of the Board. This method should be followed to: Determine the amount of moisture in a lot of pulp, paper or paperboard as an "as received" moisture. 99 31 9. 1.2 For moisture content of wood in the form of sawdust see TAPPI T 264 “Preparation of Wood for Chemical Analysis (Including Procedures for Removal of Extractives and Determination of Moisture Content).” 1.3 Moisture content is determined by the difference in weight as received and after drying at 105 ± 3°C. Also, these paper and packaging standards help papermaking plants, packaging and shipping companies, and other producers and end-users of paper materials and products in the proper processing and assessment procedures … 0000020900 00000 n 0000002573 00000 n 0000009860 00000 n 99 0 obj <> endobj ... moisture content in accordance with T 264 “Preparation of Mechanical Pulps for Testing” (wood), T 210 (pul p) or T 550 “Determination of Equilibrium Moisture in Paper and Paperboard for Chemical Analysis” (paper and paperboard). list in the bound set of TAPPI Test Methods, or may be available from the TAPPI Quality and Standards Department. Procedure. 0000018005 00000 n ��Q4�S/}il�.��z�g��b�������y�^. trailer 0 Contain <0.0008% reducible sulfur (TAPPI T-406). Free of particles or other impurities such as: - metals, - waxes, - plasticizers (i.e. Handsheets were made with a blend of … wet strength additives), - plastics, - residual bleach, - peroxide 2 … 0000002860 00000 n This method is unsuitable for determining moisture content of flash-dried baled pulp. 0000001546 00000 n ASTM Standards . TAPPI standards (Number and Title) Fibrous Materials and Pulp Testing T 200 Laboratory Beating of Pulp (Valley Beater Method) T 204 Solvent Extractives of Wood and Pulp T 205 Forming Handsheets for Physical Tests of Pulp T 207 Water Solubility of Wood and Pulp T 210 Sampling and Testing Wood Pulp Shipments for Moisture T 211 Ash in Wood, Pulp, Paper, and Paperboard: Combustion at 525ºC T 212 … The meter reflects light off the sample, measures how much light has been absorbed, and the result is automatically converted into a moisture content reading. 0000001586 00000 n Summary The moisture content of fiber glass mat is determined by placing the test specimen in a suitable oven and measuring the volatiles lost during heating and cooling, under the conditions … 0000003139 00000 n Unbleached hardwood and softwood fiber from full-scale kraft pulp production were used. Moisture content is determined by the difference in weight as received and after drying at 105 ± 3°C. For moisture content of wood in the form of sawdust see TAPPI T 264 “Preparation of Wood for Chemical Analysis (Including Procedures for Removal of Extractives and Determination of Moisture Content).” Moisture content is determined by the difference in weight as received and after drying at 105 ± 3°C. 0000009527 00000 n 0000002032 00000 n TAPPI T 412 Moisture applies to pulp, paper, paperboard, and paper products, except those containing significant quantities of materials other than water that are volatile at lower than 107°C (224.6°F) or degrade above 103°C (217.4°F). %PDF-1.6 %���� For moisture content of wood in the form of sawdust see TAPPI T 264 "Preparation of Wood for Chemical Analysis (Including Procedures for Removal of Extractives and Determination of Moisture Content)." 0000010497 00000 n 0000006606 00000 n 0000007866 00000 n 0000009225 00000 n Please note: TAPPI Standards and TIPs are only included for the duration of your active TAPPI Student Membership status. 0000001725 00000 n Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard. moisture-free pulp in the original specimen to the nearest 0.1%. endstream endobj 100 0 obj<> endobj 101 0 obj<> endobj 102 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 103 0 obj<> endobj 104 0 obj<> endobj 105 0 obj<> endobj 106 0 obj<> endobj 107 0 obj<> endobj 108 0 obj<>stream
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