标准编号:	GB 11614-2022
中文名称:	平板玻璃
英文名称:	Flat glass
中标分类:	Q33    建筑玻璃
行业分类:	GB    国家标准
ICS分类:	81.040.20 81.040.20    建筑玻璃 81.040.20
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2022-07-13
实施日期:	2023-8-1
标准状态:	valid
替代旧标准:	GB 11614-2009 平板玻璃
翻译语言:	英文
文件格式:	PDF
中文字符数:	18000 字
翻译价格(元):	1160.0
交付时间:	付款后 1 个工作日

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 范围 本文件规定了平板玻璃的分类与分级、要求、检验方法、检验规则、标志、包装、运输和贮存。 本文件适用于各种工艺生产的厚度不小于2mm的钠钙硅平板玻璃。 本文件不适用于压花玻璃和夹丝玻璃。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。 GB／T 1216 外径千分尺 GB／T 2680 建筑玻璃 可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定 GB／T 8170 数值修约规则与极限数值的表示和判定 GB／T 9056 金属直尺 GB／T 11942 彩色建筑材料色度测量方法 GB／T 15764 平板玻璃术语 GB／T 22523 塞尺 JB／T 2369 读数显微镜 QB／T 2443—2011 钢卷尺 3 术语和定义 GB／T 15764界定的以及下列术语和定义适用于本文件。 3.1 光学变形 optical distortion 在一定角度透过玻璃观察物体时出现变形的缺陷。 注：其变形程度用入射角(俗称斑马角)表示。 3.2 点状缺陷 spot faults 气泡、夹杂物、斑点等缺陷的统称。 3.3 断面缺陷 edge defects 玻璃板断面凸出或凹进或残缺等现象。 注：断面缺陷包括爆边、边部凹凸、缺角、斜边等。 3.4 厚薄差 thickness wedge 同一片玻璃厚度的最大值与最小值之差。 3.5 虹彩 bloom 不同厚度的浮法玻璃经过规定时间的加热和冷却处理后，在玻璃下表面(成型时与锡液接触的表面)目视观察呈现光干涉色。 3.6 光畸变点 spot distortion 平板玻璃表面引起光学变形的斑点。 4 分类与分级 4.1 按颜色属性分为无色透明平板玻璃和本体着色平板玻璃两类。 4.2 按外观质量要求的不同分为普通级平板玻璃和优质加工级平板玻璃两级。 5 要求 5.1 概述 平板玻璃的检验项目与其要求和检验方法对应条款见表1。 表1 检验项目与其要求和检验方法对应条款 检验项目 对应的要求 检验方法 尺寸偏差 5.2 6.1 对角线差 5.3 6.2 厚度 5.4 6.3 厚薄差 5.4 6.4 外观质量 点状缺陷 5.5 6.5.1 点状缺陷密集度 5.5 6.5.2 线道、划伤、裂纹 5.5 6.5.3 光学变形 5.5 6.5.4 断面缺陷 5.5 6.5.5 弯曲度 5.6 6.6 虹彩 5.7 6.7 光学性能 无色透明平板玻璃可见光透射比 5.8.1 6.8.1 本体着色平板玻璃透射比偏差 5.8.2 6.8.2 颜色均匀性 5.9 6.9 5.2 尺寸偏差 平板玻璃应切裁成矩形，其长度和宽度的尺寸偏差应不超过表2规定。 表2 尺寸偏差 单位为毫米 厚度D 尺寸偏差 边长L≤3000 边长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 对角线差 对角线差应不大于对角线平均长度的0.2％。 5.4 厚度和厚薄差 5.4.1 平板玻璃的常用厚度规格为2mm、3mm、4mm、5mm、6mm、8mm、10mm、12mm、15mm、19mm、22mm、25mm，厚度应在产品合格证明文件中明示。不应生产常用厚度规格以外的产品。当平板玻璃用于建筑用玻璃领域以外，如信息产业、光伏、交通工具、家电等其他领域并对厚度有特殊要求时，可以生产常用厚度规格以外的产品，应在合同等文件中对产品厚度做出约定和明示。 5.4.2 平板玻璃的厚度偏差和厚薄差应符合表3的规定。 表3 厚度偏差和厚薄差 单位为毫米 厚度D 厚度偏差 厚薄差 5.5 外观质量 5.5.1 普通级平板玻璃外观质量应符合表4的规定。 表4 普通级平板玻璃外观质量 缺陷种类 要求 点状缺陷a 尺寸L 允许个数限度 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 点状缺陷密集度 尺寸L≥0.3mm的点状缺陷最小间距不小于300mm； 在直径100mm圆内，尺寸L≥0.2mm的点状缺陷不超过3个 线道 不准许 裂纹 不准许 划伤 允许范围 允许条数限度 宽W≤0.2mm，长L≤40mm 2×S 光学变形 厚度D 无色透明平板玻璃 本体着色平板玻璃 2mm≤D≤3mm ≥45° ≥45° 3mm＜D≤4mm ≥50° ≥45° 4mm≤D≤12mm ≥55° ≥50° D＞12mm ≥50° ≥45° 断面缺陷 厚度不超过8mm时，不超过玻璃板的厚度；厚度8mm以上时，不超过8mm S是以平方米为单位的玻璃板面积数值，按GB／T 8170修约，保留小数点后两位。点状缺陷的允许个数限度及划伤的允许条数限度为各系数与S相乘所得的数值,按GB／T 8170修约至整数。 a 光畸变点视为0.3mm≤L≤0.5mm的点状缺陷。 5.5.2 优质加工级平板玻璃外观质量应符合表5的规定。 表5 优质加工级平板玻璃外观质量 缺陷种类 要求 点状缺陷a 尺寸L 允许个数限度 0.3mm≤L≤0.5mm 1×S 0.5mm＜L≤1.0mm 0.2×S L＞1.0mm 0 点状缺陷密集度 尺寸L≥0.3mm的点状缺陷最小间距不小于300mm； 在直径100mm圆内，尺寸L≥0.1mm的点状缺陷不超过3个 线道 不准许 裂纹 不准许 划伤 允许范围 允许条数限度 宽W≤0.1mm，长L≤30mm 2×S 光学变形 厚度D 无色透明平板玻璃 本体着色平板玻璃 2mm≤D≤3mm ≥50° ≥50° 3mm＜D≤4mm ≥55° ≥50° 4mm＜D≤12mm ≥60° ≥55° D＞12mm ≥55° ≥50° 断面缺陷 厚度不超过5mm时，不超过玻璃板的厚度；厚度5mm以上时，不超过5mm S是以平方米为单位的玻璃板面积数值，按GB／T 8170修约，保留小数点后两位。点状缺陷的允许个数限度及划伤的允许条数限度为各系数与S相乘所得的数值,按GB／T 8170修约至整数。 a 点状缺陷中不准许有光畸变点。 5.6 弯曲度 普通级平板玻璃应不大于0.2％，优质加工级平板玻璃应不大于0.1％。 5.7 虹彩 仅对以浮法工艺生产的优质加工级平板玻璃进行此项检验。试验后，应无虹彩现象。 5.8 光学性能 5.8.1 无色透明平板玻璃可见光透射比应不小于表6的规定。对于5.4.1规定的常用规格以外厚度的产品，其可见光透射比实测值应换算成5mm标准厚度可见光透射比，应不小于表6的规定。 表6 无色透明平板玻璃可见光透射比 厚度／mm 可见光透射比／％ 5.8.2 本体着色平板玻璃可见光透射比、太阳光直接透射比、太阳能总透射比的偏差应不大于表7的规定。 表7 本体着色平板玻璃透射比偏差允许值 测试项目 偏差允许值／％ 可见光透射比(波长范围380nm～780nm) 1.5 太阳光直接透射比(波长范围300nm～2500nm) 2.5 太阳能总透射比(波长范围300nm～2500nm) 3.0 5.9 颜色均匀性 仅对本体着色平板玻璃进行此项检验，同一批产品中，普通级平板玻璃色差 ，优质加工级色差 。