What is CNS Standards ?

CNS Standard is abbreviation of Chinese National Standard, the National Standards of the Republic of China (Taiwan) ;
They are administered by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs.

The English versions CNS standards were translated directly from the openly-published Chinese CNS standard , in case of any divergence of interpretation, the Chinese versions CNS standards text shall prevail.

CNS standards are divided into 26 numbered categories, Detail see bellow:

CNS Standards 26 Categories:

A
Civil Engineering & Architecture
土木工程及建築

B
Mechanical Engineering
機械工程

C
Electrical Engineering
電機工程, 電子工程

D
Automotive & Aircraft Engineering
機動車及航太工程

E
Railway Engineering
軌道工程

F
Ship building Engineering
造船工程

G
Ferrous Materials & Metallurgy
鐵金屬冶煉

H
Non-ferrous Materials & Metallurgy
非鐵金屬冶煉

J
Nuclear Engineering
核子工程

K
Chemical Industry
化學工業

L
Textile Industry
紡織工業

M
Mining
礦業

N
Agriculture, Food
農業,食品

O
Wood Industry
木業

P
Pulp & PaperIndustry
紙業

Q
Environmental Management
環境保護

R
Ceramic Industry
陶業

S
Domestic Wares
日常用品

T
Medical Equipments & Appliances
衛生及醫療器材

X
Information & Communication
資訊及通信

Z-1
Industry Safety
工業安全

Z-2
Physical Distribution & Packaging
物流及包裝

Z-3
General & Miscellaneous
一般及其他

CNS Standards Index:

M-Mining

CNS 5910 - English Version
Non-sparking beryllium copper alloy tools-pipe wrenches
防爆用鈹銅合金管鉗 - 英文版

T-Medical Equipments & Appliances

CNS 14775 - English Version
Method of test for evaluating the bacterial filtration efficiency (BFE) of medical face mask materials, using a biological aerosol of Staphylococcus aureus
醫用面(口)罩材料細菌過濾效率試驗法－使用金黃色葡萄球菌生物氣膠 - 英文版

B-Mechanical Engineering

CNS 4807 - English Version
Counterbores for Hexagon Socket Head Screws and Slotted Cheese Head Screws
柱坑（六角承窩頭螺釘與有槽平頂錐頭螺釘用） - 英文版

M-Mining

CNS 5908 - English Version
Non-sparking beryllium copper alloy tools−drum plug openers
防爆用鈹銅合金開桶扳手 - 英文版

K-Chemical Industry

CNS 11728 - English Version
Fire-retardant paints for buildings
建築用防火塗料 - 英文版

H-Non-ferrous Materials & Metallurgy

CNS 4125 - English Version
Copper and copper alloy castings
銅及銅合金鑄件 - 英文版

L-Textile Industry

CNS 5610-14 - English Version
Textiles − Test methods for nonwovens − Part 14: Coverstock wetback
紡織品－不織布試驗法－第14部：包覆材回滲量測定法 - 英文版

A-Civil Engineering & Architecture

CNS 3929 - English Version
Method of test for cylindrical locks and tubular locks for doors (replaced by CNS 3928)
圓柱形及管形門鎖檢驗法(被CNS 3928取代) - 英文版

Q-Environmental Management

CNS 14027 - English Version
Environmental labels and declarations − Development of product category rules
環境標誌與宣告－產品類別規則之制定 - 英文版

K-Chemical Industry

CNS 15931 - English Version
General safety requirements for paints
塗料一般安全規範 - 英文版

B-Mechanical Engineering

CNS 851 - English Version
Ductile Cast Iron Special Castings for Main Lines,Double Flanged Bends 45 (DFB-45)
壓力管路用延性鑄鐵管件–４５°雙凸緣彎管（ＤＦＢ–４５） - 英文版

B-Mechanical Engineering

CNS 10534 - English Version
Involute Splines -- Dimensions and Measurements (Module 8)
漸開線栓槽組–標稱尺度，測定尺度（模數８） - 英文版

B-Mechanical Engineering

CNS 7573 - English Version
Centre Distances and Working Transverse Pressures Angles of Spur Gears in the 0.5 System
０．５齒制正齒輪之軸中心距及正面工作壓力角 - 英文版

B-Mechanical Engineering

CNS 7878 - English Version
Chain Blocks
手動鏈條吊車（正齒輪傳動） - 英文版

K-Chemical Industry

CNS 2486 - English Version
Method of test for softening point of bitumen (ring-and-ball apparatus)
瀝青軟化點試驗法(環球儀) - 英文版

R-Ceramic Industry

CNS 15546-3 - English Version
Determination of asbestos in building material products − Part 3: Quantitative analysis of containing asbestos by X-ray diffraction method
建材製品中石綿測定法－第3部：石綿含量之X射線繞射定量分析法 - 英文版

N-Agriculture, Food

CNS 5922 - English Version
Methods of test for tobacco and tobacco products − Determination of retention of coloured part of smoke comdensate by cigarette filters − direct spectrophotometric method
菸葉及菸製品檢驗法－遺留於濾嘴內烟流凝縮物中有色部份之測定（直接光譜測定法） - 英文版

E-Railway Engineering

CNS 62912 - English Version
Railway applications − Direct current signalling monostable relays of type N and type C
鐵路應用－N型及C型直流號誌單穩態繼電器 - 英文版

Z7-General & Miscellaneous

CNS 4797-2 - English Version
Safety of toys − Part 2: Migration of certain elements
玩具安全－第2部：特定元素遷移 - 英文版

K-Chemical Industry

CNS 16174-4 - English Version
Paints and varnishes − Corrosion protection of steel structures by protective paint and coating systems − Part 4: Types of surface and surface preparation
油漆與清漆－防護油漆及塗裝系統對鋼結構物之腐蝕防護－第4部：表面及表面處理類型 - 英文版

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Chinese National Standards 中華民國國家標準 - Taiwan 台灣 -