標準編號:	GB 11614-2022
中文名稱:	平板玻璃
英文名稱:	Flat glass
中標分類:	Q33    建筑玻璃
行業分類:	GB    國家標準
ICS分類:	81.040.20 81.040.20    建筑玻璃 81.040.20
發布機構:	國家市場監督管理總局 國家標準化管理委員會
發布日期:	2022-07-13
實施日期:	2023-8-1
標準狀態:	valid
替代舊標準:	GB 11614-2009 平板玻璃
翻譯語言:	英文
文件格式:	PDF
中文字符數:	18000 字
翻譯價格(元):	1160.0
交付時間:	付款后 1 個工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for Standardization — Part 1: Rules for the Structure and Drafting of Standardizing Documents. This standard replaces GB 11614-2009 Flat Glass. In addition to structural adjustment and editorial changes, the following technical deviations have been made with respect to GB 11614-2009: — the definition of bloom is added (see 3.5). — the classification is modified into classification and grading (see Clause 4 hereof; Clause 4 of Edition 2009); — the three grades of acceptable products, first-class products and superior products divided by appearance quality are modified into two grades of sheet flat glass and high quality processing flat glass (see 4.2 hereof; 4.2 of Edition 2009); — the thickness deviation and thickness difference are modified (see Table 3 hereof; Table 3 of Edition 2009); — the minimum and permissible number of spot defects are modified (see 5.5 hereof; 5.5 of Edition 2009); — The requirements for optical distortion are modified (see 5.5 hereof; 5.5 of Edition 2009); — the requirements for transmission deviation and color uniformity of bulk tined flat glass are modified (see 5.8.2 and 5.9 hereof; 5.7.2 and 5.7.3 of Edition 2009); — the requirements, inspection methods and determination rules for bloom are added (see 5.7, 6.7, 7.3.3). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This standard was proposed by and is under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. The previous editions of this document are as follows: — GB 4871-1985, GB 4871-1995; — GB 11614-1989, GB 11614-1999, GB 11614-2009; — GB/T 18701-2002. Flat Glass 1 Scope This document specifies the classification and grading, requirements, test methods, inspection rules, marking, packaging, transportation and storage of flat glass. This document is applicable to soda-calcium-silicon flat glass, with thickness not less than 2mm, produced by various processes. This document is not applicable to embossed glass and filamentable glass. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 1216 External Micrometer GB/T 2680 Glass in Building — Determination of Light Transmittance, Solar Direct Transmittance, Total Solar Energy Transmittance, Ultraviolet Transmittance and Related Glazing Factors GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 9056 Metal Ruler GB/T 11942 Colorimetric Methods for Colour Building Materials GB/T 15764 Standard Terminology of Flat Glass GB/T 22523 Feeler Gauge JB/T 2369 Reading Microscope QB/T 2443-2011 Steel Measuring Tapes 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 15764 and the following apply. 3.1 optical distortion defects that distort when viewed through glass at a certain angle. Note: The degree of distortion is expressed by incident angle (also known as Zebra Angle). ? 3.2 spot faults general term for defects such as bubbles, inclusions, spots, etc. 3.3 edge defects glass plate section convex or concave or incomplete phenomenon Note: Edge defects include edge bursting, edge concave and convex, broken corner, hypotenuse, etc. 3.4 thickness wedge difference between the maximum and minimum thickness of the same piece of glass 3.5 bloom after heating and cooling for a specified time, float glass of different thickness shows light interference color when visually observed on the lower surface of the glass (the surface in contact with the tin liquid when forming) 3.6 spot distortion spot on the surface of flat glass that causes optical distortion 4 Classification and Grading 4.1 According to the color properties, flat glass can be divided into colorless transparent flat glass and body tined flat glass. 4.2 According to the different appearance quality requirements, flat glass can be divided into sheet flat glass and high quality processing flat glass. 5 Requirements 5.1 General The inspection items, requirements and inspection methods of flat glass are shown in Table 1. ? Table 1 Corresponding clause of inspection items, requirements and inspection methods Inspection item Corresponding requirements Inspection method Dimensional deviation 5.2 6.1 Diagonal difference 5.3 6.2 Thickness 5.4 6.3 Thickness wedge 5.4 6.4 Appearance quality Spot faults 5.5 6.5.1 Density of spot faults 5.5 6.5.2 Threads, scratches, cracks 5.5 6.5.3 Optical distortion 5.5 6.5.4 Edge defects 5.5 6.5.5 Curvature 5.6 6.6 Bloom 5.7 6.7 Optical property Visible light transmittance of colorless transparent flat glass 5.8.1 6.8.1 Transmission ratio deviation of body tined flat glass 5.8.2 6.8.2 Color uniformity 5.9 6.9 5.2 Dimensional deviation Flat glass shall be cut into rectangles, the dimensional deviations of its length and width shall not exceed those specified in Table 2. Table 2 Dimensional deviation Dimensions in millimeters Thickness, D Dimensional deviation Side length (L) ≤ 3000 Side length (L) > 3000 2 ≤ D ≤ 6 ± 2 ± 3 6 < D ≤ 12 +2, -3 +3, -4 12 < D ≤ 19 ± 3 ± 4 D > 19 ± 5 ± 5 5.3 Diagonal difference The diagonal difference shall be no more than 0.2% of the average diagonal length. 5.4 Thickness and thickness wedge 5.4.1 Common thickness specifications of flat glass are 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 15 mm, 19 mm, 22 mm and 25 mm, and the thickness shall be indicated in the product qualification certificate. Products outside the common thickness specifications should not be manufactured. When flat glass is used in other fields other than construction glass, such as information technology industry, photovoltaic, vehicles, household appliances and other fields, and has special requirements for thickness, products other than the common thickness specifications can be manufactured, and the thickness of the product shall be agreed and expressed in the contract and other documents. 5.4.2 Thickness deviation and thickness wedge of flat glass shall meet the requirements of Table 3. Table 3 Thickness deviation and thickness wedge Dimensions in millimeters Thickness, D Thickness deviation Thickness wedge 5.5 Appearance quality 5.5.1 The appearance quality of sheet flat glass shall meet the requirements of Table 4. Table 4 Appearance quality of sheet flat glass Kind of defect Requirements Spot faults a Dimensions (L) Allowable number limit 0.3 mm ≤ L ≤ 0.5 mm 2 × S 0.5 mm ≤ L ≤ 1.0 mm 1 × S 1.0 mm ≤ L ≤ 1.5 mm 0.2 × S L > 1.5 mm 0 Density of spot faults The minimum spacing of spot faults of dimension (L) ≥ 0.3 mm shall not be less than 300 mm; Within a circle with a diameter of 100 mm, there shall be no more than 3 spot faults of dimension (L) ≥ 0.2 mm Thread Not permitted Craze Not permitted Scratch Allowable range Allowable number limit Width (W) ≤ 0.2 mm, length (L) ≤ 40 mm 2 × S Optical distortion Thickness, D Colorless transparent flat glass Body tined flat glass 2 mm ≤ D ≤ 3 mm ≥45° ≥45° 3 mm < D ≤ 4 mm ≥50° ≥45° 4 mm ≤ D ≤ 12mm ≥55° ≥50° D > 12mm ≥50° ≥45° Edge defects Not more than the thickness of the glass plate for the thickness not more than 8 mm; not exceed 8 mm for the thickness is above 8 mm S is the value of the glass plate area in square meters, which shall be rounded off according to GB/T 8170, keeping two decimal places. The allowable number limit of spot faults and the allowable limit of the number of scratches are the values obtained by multiplying each coefficient with S, which shall be rounded off to an integer according to GB/T 8170. a The light distortion point is regarded as the spot fault of 0.3 mm ≤ L ≤ 0.5 mm. 5.5.2 The appearance quality of high quality processing flat glass shall meet the requirements of Table 5. Table 5 Appearance quality of high quality processing flat glass Kind of defect Requirements Spot faults a Dimensions (L) Allowable number limit 0.3mm ≤ L ≤ 0.5mm 1×S 0.5mm ≤ L ≤ 1.0mm 0.2×S L> 1.0mm 0 Density of spot faults The minimum spacing of spot faults of dimension (L) ≥ 0.3 mm shall not be less than 300 mm; Within a circle with a diameter of 100 mm, there shall be no more than 3 spot faults of dimension (L) ≥ 0.1mm Thread Not permitted Craze Not permitted Scratch Allowable range Allowable number limit Width (W) ≤ 0.1 mm, length (L) ≤ 30mm 2 × S Optical distortion Thickness, D Colorless transparent flat glass Body tined flat glass 2 mm ≤ D ≤ 3 mm ≥50° ≥50° 3mm 12 mm ≥55° ≥50° Edge defects Not more than the thickness of the glass plate for the thickness not more than 5mm; not exceed 5 mm for the thickness above 5mm S is the value of the glass plate area in square meters, which shall be rounded off according to GB/T 8170, keeping two decimal places. The allowable number limit of spot faults and the allowable limit of the number of scratches are the values obtained by multiplying each coefficient with S, which shall be rounded off to an integer according to GB/T 8170. a Light distortion points are not allowed in spot faults. ? 5.6 Curvature Sheet flat glass shall not be more than 0.2%, high quality processing flat glass shall not be more than 0.1%. 5.7 Bloom This test is only carried out on high quality processing flat glass produced by float process. After the test, there should be no bloom phenomenon. 5.8 Optical properties 5.8.1 Visible light transmittance of colorless transparent flat glass shall not be less than those specified in Table 6.For products with thickness other than the common specifications specified in 5.4.1, the measured value of visible light transmittance shall be converted into the visible light transmittance of 5 mm standard thickness, which shall be no less than those specified in Table 6. Table 6 Visible light transmittance of colorless transparent flat glass Thickness (mm) Visible light transmittance (%) 5.8.2 The deviation of visible light transmittance, direct solar transmittance and total solar transmittance of body tined flat glass shall not be greater than those specified in Table 7. Table 7 Allowable values of transmittance deviation of body tined flat glass Test item Permissible deviation value (%) Visible light transmittance (wavelength range 380nm to 780nm) 1.5 Direct solar transmittance (wavelength range: 300nm to 2500nm) 2.5 Total solar transmittance (wavelength range: 300nm t0 2500nm) 3.0 5.9 Color uniformity This test is only carried out on the body tined flat glass. In the same batch of products, the color difference of sheet flat glass is , and the color difference of high quality processing flat glass is . 6 Inspection Methods 6.1 Dimensional deviation In the middle of the long and wide edges, the distance between two parallel edges is measured with a metal ruler of a dividing value of 1mm in accordance with GB/T 9056 or a steel tape with grade 1 precision in accordance with QB/T 2443-2011.The difference between the measured value and the nominal dimension is the dimensional deviation. 6.2 Diagonal difference Two diagonal lengths of glass plates are measured with a grade 1 precision steel tape measure in accordance with QB/T 2443-2011. The absolute value of the difference is the diagonal difference, and the percentage of the diagonal difference and the average diagonal length can be calculated. 6.3 Thickness Measure 5 points perpendicular to the pulling direction of the glass plate with a digital micrometer (or helical micrometer) with a dividing value of 0.001 mm in accordance with GB/T 1216: take a point inward from the edge about 15 mm, divide the remaining 3 points evenly between the two points. The measured value shall be rounded off to three decimal places. The difference between the measured values of 5 points and the expressed thickness can be calculated, and the maximum deviation shall be compared with Table 3.

Foreword II 1 Scope 2 Normative References 3 Terms and Definitions 4 Classification and Grading 5 Requirements 6 Inspection Methods 7 Inspection Rules 8 Marking, Packaging, Transportation and Storage Annex A (Normative) Test Apparatus and Operating Parameters of Bloom

平板玻璃 1 范圍 本文件規定了平板玻璃的分類與分級、要求、檢驗方法、檢驗規則、標志、包裝、運輸和貯存。 本文件適用于各種工藝生產的厚度不小于2mm的鈉鈣硅平板玻璃。 本文件不適用于壓花玻璃和夾絲玻璃。 2 規范性引用文件 下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。 GB／T 1216 外徑千分尺 GB／T 2680 建筑玻璃 可見光透射比、太陽光直接透射比、太陽能總透射比、紫外線透射比及有關窗玻璃參數的測定 GB／T 8170 數值修約規則與極限數值的表示和判定 GB／T 9056 金屬直尺 GB／T 11942 彩色建筑材料色度測量方法 GB／T 15764 平板玻璃術語 GB／T 22523 塞尺 JB／T 2369 讀數顯微鏡 QB／T 2443—2011 鋼卷尺 3 術語和定義 GB／T 15764界定的以及下列術語和定義適用于本文件。 3.1 光學變形 optical distortion 在一定角度透過玻璃觀察物體時出現變形的缺陷。 注：其變形程度用入射角(俗稱斑馬角)表示。 3.2 點狀缺陷 spot faults 氣泡、夾雜物、斑點等缺陷的統稱。 3.3 斷面缺陷 edge defects 玻璃板斷面凸出或凹進或殘缺等現象。 注：斷面缺陷包括爆邊、邊部凹凸、缺角、斜邊等。 3.4 厚薄差 thickness wedge 同一片玻璃厚度的最大值與最小值之差。 3.5 虹彩 bloom 不同厚度的浮法玻璃經過規定時間的加熱和冷卻處理后，在玻璃下表面(成型時與錫液接觸的表面)目視觀察呈現光干涉色。 3.6 光畸變點 spot distortion 平板玻璃表面引起光學變形的斑點。 4 分類與分級 4.1 按顏色屬性分為無色透明平板玻璃和本體著色平板玻璃兩類。 4.2 按外觀質量要求的不同分為普通級平板玻璃和優質加工級平板玻璃兩級。 5 要求 5.1 概述 平板玻璃的檢驗項目與其要求和檢驗方法對應條款見表1。 表1 檢驗項目與其要求和檢驗方法對應條款 檢驗項目 對應的要求 檢驗方法 尺寸偏差 5.2 6.1 對角線差 5.3 6.2 厚度 5.4 6.3 厚薄差 5.4 6.4 外觀質量 點狀缺陷 5.5 6.5.1 點狀缺陷密集度 5.5 6.5.2 線道、劃傷、裂紋 5.5 6.5.3 光學變形 5.5 6.5.4 斷面缺陷 5.5 6.5.5 彎曲度 5.6 6.6 虹彩 5.7 6.7 光學性能 無色透明平板玻璃可見光透射比 5.8.1 6.8.1 本體著色平板玻璃透射比偏差 5.8.2 6.8.2 顏色均勻性 5.9 6.9 5.2 尺寸偏差 平板玻璃應切裁成矩形，其長度和寬度的尺寸偏差應不超過表2規定。 表2 尺寸偏差 單位為毫米 厚度D 尺寸偏差 邊長L≤3000 邊長L＞3000 2≤D≤6 ±2 ±3 6＜D≤12 ＋2，－3 ＋3，－4 12＜D≤19 ±3 ±4 D＞19 ±5 ±5 5.3 對角線差 對角線差應不大于對角線平均長度的0.2％。 5.4 厚度和厚薄差 5.4.1 平板玻璃的常用厚度規格為2mm、3mm、4mm、5mm、6mm、8mm、10mm、12mm、15mm、19mm、22mm、25mm，厚度應在產品合格證明文件中明示。不應生產常用厚度規格以外的產品。當平板玻璃用于建筑用玻璃領域以外，如信息產業、光伏、交通工具、家電等其他領域并對厚度有特殊要求時，可以生產常用厚度規格以外的產品，應在合同等文件中對產品厚度做出約定和明示。 5.4.2 平板玻璃的厚度偏差和厚薄差應符合表3的規定。 表3 厚度偏差和厚薄差 單位為毫米 厚度D 厚度偏差 厚薄差 5.5 外觀質量 5.5.1 普通級平板玻璃外觀質量應符合表4的規定。 表4 普通級平板玻璃外觀質量 缺陷種類 要求 點狀缺陷a 尺寸L 允許個數限度 0.3mm≤L≤0.5mm 2×S 0.5mm＜L≤1.0mm 1×S 1.0mm＜L≤1.5mm 0.2×S L＞1.5mm 0 點狀缺陷密集度 尺寸L≥0.3mm的點狀缺陷最小間距不小于300mm； 在直徑100mm圓內，尺寸L≥0.2mm的點狀缺陷不超過3個 線道 不準許 裂紋 不準許 劃傷 允許范圍 允許條數限度 寬W≤0.2mm，長L≤40mm 2×S 光學變形 厚度D 無色透明平板玻璃 本體著色平板玻璃 2mm≤D≤3mm ≥45° ≥45° 3mm＜D≤4mm ≥50° ≥45° 4mm≤D≤12mm ≥55° ≥50° D＞12mm ≥50° ≥45° 斷面缺陷 厚度不超過8mm時，不超過玻璃板的厚度；厚度8mm以上時，不超過8mm S是以平方米為單位的玻璃板面積數值，按GB／T 8170修約，保留小數點后兩位。點狀缺陷的允許個數限度及劃傷的允許條數限度為各系數與S相乘所得的數值,按GB／T 8170修約至整數。 a 光畸變點視為0.3mm≤L≤0.5mm的點狀缺陷。 5.5.2 優質加工級平板玻璃外觀質量應符合表5的規定。 表5 優質加工級平板玻璃外觀質量 缺陷種類 要求 點狀缺陷a 尺寸L 允許個數限度 0.3mm≤L≤0.5mm 1×S 0.5mm＜L≤1.0mm 0.2×S L＞1.0mm 0 點狀缺陷密集度 尺寸L≥0.3mm的點狀缺陷最小間距不小于300mm； 在直徑100mm圓內，尺寸L≥0.1mm的點狀缺陷不超過3個 線道 不準許 裂紋 不準許 劃傷 允許范圍 允許條數限度 寬W≤0.1mm，長L≤30mm 2×S 光學變形 厚度D 無色透明平板玻璃 本體著色平板玻璃 2mm≤D≤3mm ≥50° ≥50° 3mm＜D≤4mm ≥55° ≥50° 4mm＜D≤12mm ≥60° ≥55° D＞12mm ≥55° ≥50° 斷面缺陷 厚度不超過5mm時，不超過玻璃板的厚度；厚度5mm以上時，不超過5mm S是以平方米為單位的玻璃板面積數值，按GB／T 8170修約，保留小數點后兩位。點狀缺陷的允許個數限度及劃傷的允許條數限度為各系數與S相乘所得的數值,按GB／T 8170修約至整數。 a 點狀缺陷中不準許有光畸變點。 5.6 彎曲度 普通級平板玻璃應不大于0.2％，優質加工級平板玻璃應不大于0.1％。 5.7 虹彩 僅對以浮法工藝生產的優質加工級平板玻璃進行此項檢驗。試驗后，應無虹彩現象。 5.8 光學性能 5.8.1 無色透明平板玻璃可見光透射比應不小于表6的規定。對于5.4.1規定的常用規格以外厚度的產品，其可見光透射比實測值應換算成5mm標準厚度可見光透射比，應不小于表6的規定。 表6 無色透明平板玻璃可見光透射比 厚度／mm 可見光透射比／％ 5.8.2 本體著色平板玻璃可見光透射比、太陽光直接透射比、太陽能總透射比的偏差應不大于表7的規定。 表7 本體著色平板玻璃透射比偏差允許值 測試項目 偏差允許值／％ 可見光透射比(波長范圍380nm～780nm) 1.5 太陽光直接透射比(波長范圍300nm～2500nm) 2.5 太陽能總透射比(波長范圍300nm～2500nm) 3.0 5.9 顏色均勻性 僅對本體著色平板玻璃進行此項檢驗，同一批產品中，普通級平板玻璃色差 ，優質加工級色差 。