GB/T 25998-2020 English PDFUS$339.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25998-2020: Mineral wool decorating and acoustic ceilings Status: Valid GB/T 25998: Historical versions
Basic dataStandard ID: GB/T 25998-2020 (GB/T25998-2020)Description (Translated English): Mineral wool decorating and acoustic ceilings Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q25 Classification of International Standard: 91.060.30 Word Count Estimation: 18,158 Date of Issue: 2020-06-02 Date of Implementation: 2021-04-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 25998-2020: Mineral wool decorating and acoustic ceilings---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.(Mineral wool decorative acoustic board) ICS 91.060.30 Q25 National Standards of People's Republic of China Replace GB/T 25998-2010 Mineral wool decorative acoustic board 2020-06-02 release 2021-04-01 Implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 25998-2010 "Mineral Wool Decorative Acoustic Panel", compared with GB/T 25998-2010, except for editorial changes The main technical changes outside are as follows. --- Increased scope of application (see Chapter 1, Chapter 1 of the.2010 edition); ---Modified the definition of mineral wool decorative sound absorption board, wet process board, and dry process board (see 3.1, 3.2, 3.3, and 3.1, 3.2, 3.3 in the.2010 edition); --- Modified the content of the mark (see 4.3, 4.3 in the.2010 edition); --- Modified the volume density index (see 5.1.3, 5.3 of the.2010 edition); --- Modified the combustion performance classification requirements (see 5.1.4, 5.6 of the.2010 edition); --- Modified the formaldehyde emission index (see 5.1.6,.2010 version 5.10); ---Modified the technical indicators of products with different production processes (see 5.2, 5.3, 5.3, 5.5, 5.6, 5.7, 5.10 in the.2010 edition); --- Modified the noise reduction coefficient index (see 5.2.2, 5.3.2, 5.7 in.2010 version); --- Modified the bending failure load index of rock wool substrate dry method board (see 5.3.1, 5.5.2 of.2010 edition); --- Modified the test method of right angle deviation (see 6.2, 6.2 in.2010 version); --- Modified the noise reduction coefficient test method (see 6.7, 6.7 in.2010 version); --- Modified the formaldehyde emission test method (see 6.10,.2010 version 6.10); --- Removed Appendix B (see Appendix B of the.2010 edition); --- Modified the method of valuing the bending failure load of dry method plates (see C.5.6,.2010 version of C.5.6). This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Thermal Insulation Material Standardization Technical Committee (SAC/TC191). This standard was drafted by. Nanjing Glass Fiber Research and Design Institute Co., Ltd., Beixin Group Building Materials Co., Ltd., Xingpai Youshijijian Building Materials Co., Ltd., Armstrong Building Products (Suzhou) Co., Ltd., Changzhou Beiyang Building Materials Co., Ltd., Shanxi Oriental Resources Development have Co., Ltd., Guangde Paluofeng Fiber Products Co., Ltd., Hebei Gome New Building Materials Co., Ltd., National Glass Fiber Product Quality Supervision and Inspection center. The main drafters of this standard. Tang Jian, Wang Jiaqing, Teng Weiguang, Zhang Tongkun, Zhou Jianquan, Kang Jing, Zhang Jian, Yu Shengli, Zhang Hanqing, Wu Jun, Li Peng, Gao Shiyi, Li Guojun, Hou Peng, Wei Shanzhi, Ding Qing, Pan Yang, Qu Huili, Cui Jun, Zhang Jianhong. The previous versions of the standard replaced by this standard are as follows. ---GB/T 25998-2010. Mineral wool decorative acoustic board1 ScopeThis standard specifies the classification and marking, requirements, test methods, inspection rules, and standards of mineral wool decorative sound-absorbing panels (hereinafter referred to as sound-absorbing panels) Logo, logo, packaging, transportation and storage. This standard applies to mineral wool decorative acoustic panels for indoor ceilings produced by wet or dry methods. Mineral wool decorative suction for other uses Sound board can also refer to this standard.2 Normative referencesThe following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 191 Icon mark for packaging, storage and transportation GB/T 2918 Standard environment for plastic sample condition adjustment and testing GB/T 3947 Acoustic terms GB/T 4132 Thermal insulation materials and related terms GB/T 5480 Test method for mineral wool and its products GB 6566 Limits of radionuclides in building materials GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values GB 8624-2012 Classification of combustion performance of building materials and products GB/T 10294 Determination of steady-state thermal resistance and related characteristics of thermal insulation materials GB/T 10295 Determination of steady-state thermal resistance and related characteristics of thermal insulation materials GB/T 14402 Combustion performance of building materials and products Determination of combustion calorific value GB/T 17657-2013 Test methods for physical and chemical properties of wood-based panels and decorative wood-based panels GB 18580 Interior decoration materials, artificial board and its products formaldehyde emission limit GB/T 20247 Acoustic Reverberation Room Sound Absorption Measurement GB/T 20284 Single burning test of building materials or products GB/T 20313 Moisture and heat properties of building materials and products Determination of moisture content Drying method HJ/T 206 Technical requirements for environmental labeling products3 Terms and definitionsThe terms and definitions defined in GB/T 3947 and GB/T 4132 and the following apply to this document. 3.1 Mineral wool decorative acoustic board mineralwooldecoratingandacousticceilings The decorative sound-absorbing board is made of slag wool, rock wool and glass wool as the main raw materials and processed by wet or dry process. Note. Mineral wool decorative acoustic panels are often used to improve the acoustic performance inside buildings, and also have both decorative properties and building insulation performance. 3.2 Wet-processceilings Made of granular cotton and other materials as the main raw materials, processed by pulping, forming, drying, cutting, surface treatment, side cutting and milling, painting and other processes ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 25998-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 25998-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 25998-2020_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25998-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |