GB/T 24290-2009 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 24290-2009: Measurement of paper machine forming wire and dryer Status: Valid
Basic dataStandard ID: GB/T 24290-2009 (GB/T24290-2009)Description (Translated English): Measurement of paper machine forming wire and dryer Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Y30 Classification of International Standard: 85-010 Word Count Estimation: 8,889 Date of Issue: 2009-07-31 Date of Implementation: 2010-03-01 Regulation (derived from): National Standard Approval Announcement 2009 No.9 (Total No.149) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the paper with a multi-layer forming fabric, drying mesh warp (weft) density, tensile strength, anyone elongation, air permeability, freeness, thickness, dehydration index (DI) and fiber support index (FSI) measurement and calculation methods. This standard applies to papermaking forming fabric and drying nets. GB/T 24290-2009: Measurement of paper machine forming wire and dryer---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Measurement of paper machine forming wire and dryer ICS 85-010 Y30 National Standards of People's Republic of China Papermaking forming wire, drying wire measuring method Posted 2009-07-31 2010-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard is developed in "Paper polyester mesh measuring method" on the basis of the original light industry standard QB/T 3533-1999 on. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of the paper industry. This standard was drafted. China Paper Association Professional Committee of dewatering equipment, it engineered fabrics Jiangsu Co., Ltd., Shanghai Golden Bear Paper net blanket Co., Ltd., Hebei Network Co., Ltd. Hok-huang, Anhui Huachen paper network Co., Ltd., Guangdong Xinhui WASHINGTON industry has Limited, China Pulp and Paper Research Institute. The main drafters of this standard. Hu Bo, Han Jingfen, plot school week, Sheng Chang Xin, Wang Haiming, Ding Jiaxiang, Guoji Zong, Wang Qun Xing. This standard by the National Standardization Technical Committee is responsible for interpreting the paper industry. Papermaking forming wire, drying wire measuring method1 ScopeThis standard specifies the paper multilayer forming fabrics, warp (weft) density of the drying wire, tensile strength, elongation anyone, ventilation volume, freeness, thick Degrees, dehydration index (DI) and fiber support index (FSI) measurement and calculation methods. This standard applies to papermaking forming fabric and drying nets. 2 calculated by (weft) Determination of density and open porosity 2.1 Instrument. The (weft) densitometer, measuring range 50mm, division 1mm. 2.2 Test procedure. take a piece of mesh-like, the first identification Jingwei direction, adjust the scale to 0 by the (weft) densitometer pressed on the network like the marking of A quasi-center position of a warp (weft) lines. Rotating screws, which move marking the aid of a magnifying glass visual marking a countable net of 50mm The number of faces contained in the warp (weft) line, and then divided by 5, that is, after (weft) density, root/cm representation. 2.3 aperture ratio according to equation (1). 100% (1) Where. A --- opening ratio,%; Calculation results are accurate to 0.1%. 2.4 mesh size according to equation (2). AΔ = 1- Where. Calculation results are accurate to 0.001mm. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 24290-2009_English be delivered?Answer: Upon your order, we will start to translate GB/T 24290-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 24290-2009_English with my colleagues?Answer: Yes. 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