《GB/T 44570-2024 塑料制品 聚碳酸酯板材》这一国家标准，针对聚碳酸酯（PC）板材的生产、测试及质量控制提供了详细的指导。该标准覆盖了从原料选择到成品检测的全过程，确保产品满足特定的物理性能和安全要求。

　　首先，在材料方面，规定了用于制造聚碳酸酯板材的基础树脂必须符合一定的纯度标准，并且对添加剂的选择也有严格限制，以保证最终产品的透明度、耐候性等关键属性不受影响。此外，还明确了不同应用场景下推荐使用的聚碳酸酯类型及其特性。

　　其次，对于生产工艺流程，《GB/T 44570-2024》提出了具体的技术参数要求，包括但不限于挤出温度、冷却速率等，这些都是影响板材最终性能的重要因素。通过设定合理的加工条件，可以有效提高产品质量的一致性和稳定性。

　　再者，关于成品检验部分，本标准详细列举了一系列必检项目，如外观检查、尺寸测量、力学性能测试等。其中特别强调了对透光率、冲击强度等指标的检测方法与合格标准，旨在确保所有出厂的产品均能达到预期使用效果。

　　·····································································································

　　··································································································

　　······················································································

　　···························································································

　　··································································································

　　··································································································

　　······················································································

　　······························································································

　　······························································································

　　······························································································

　　·························································································

　　···························································································

　　·························································································

　　······························································································

　　·························································································

　　······················································································

　　······························································································

　　·························································································

　　································································

　　····················································································

　　····················································································

　　·····································································

　　···························································································

　　··························································································

　　························································································

　　······························································································

　　·························································································

　　·························································································

　　·························································································

　　·························································································

　　············································································

　　······························································································

　　······························································································

　　······························································································

　　······························································································

　　······································

　　····················································

　　···············································

　　································································································

　　本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

　　本文件修改采用ISO11963:2019《塑料聚碳酸酯板材规格、尺寸和性能要求》。

　　本文件与ISO11963:2019相比，在结构上有较多调整。两个文件之间的结构编号变化对照一览表见

　　—更改了范围的适用界限（见第1章），以适应国内聚碳酸酯板材行业的实际情况；

　　—删除了板材挤出的材料类型（见第4章），以适应国内聚碳酸酯板材行业的实际情况；

　　—增加了板材对耐候防护层与耐候性的要求（见5.1、5.6），更改了板材外观的要求（见5.2）、垂直

　　度的要求（见5.2）、一般性能的要求（见5.5），以适应国内聚碳酸酯板材行业的实际情况；

　　GB/T3681.2替换了ISO877﹘2（见6.10.2），以适应我国的技术条件，提高可操作性；

　　—更改了试样状态调节的时间（见6.1.2）、试样制备的要求（见6.1.3），更改了外观和颜色的

　　试验要求（见6.2）、尺寸的试验要求（见6.3）、拉伸性能的试验要求（见6.4）、透光率的试

　　验要求（见6.9）和人工气候老化的试验要求（6.10.1），增加了防火性能的试验要求（见

　　—增加了“标志、包装、运输、贮存”的内容（见第8章），以符合我国标准编写习惯；

　　—将其他性能要求更改为资料性附录B，因其内容本身未包含指定检验项目和性能要求，仅为供

　　—删除了ISO11963:2019中6.4.1的拉伸性能试样要求，以提高可操作性；

　　请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

　　本文件起草单位：北京工商大学、长虹美菱股份有限公司、中石化（北京）化工研究院有限公司、

　　上海品诚控股集团有限公司、上海汇丽﹘塔格板材有限公司、泉福智慧新材料（江苏）有限公司、河北

　　优尼科塑胶制造有限公司、瀚海新材料（南通）有限公司、河北坤焰建材科技有限公司、深圳毅彩鸿翔

　　新材料科技有限公司、安吉久大家具有限公司、深圳市锦瑞新材料股份有限公司、安徽泉福工业制造有

　　限公司、九江鸿利达复合材料制造有限公司、保定市欣海阳光板制造有限公司、康命源（贵州）科技发

　　展有限公司、广东国伟兴塑胶科技股份有限公司、江西聚昌新材料科技有限公司、神龙拜耳科技衡水股

　　本文件主要起草人：许博、杨浩、朱天戈、者东梅、陈增军、王美华、彭量、温世营、王冠、

　　胡开云网址 kaiyun官方网孝义、玄照远、安小革、肖旗、柯祯、杨佩钦、黄鑫、陆国兴、匡协楠、倪菲菲、高茂林、施茂安、

　　本文件规定了经挤出成型、实心或中空、平板型的聚碳酸酯（PC）板材（以下简称“板材”）的材

　　本文件适用于有色或无色的，透明、半透明或不透明的，在单面或双面上具有耐候防护层，厚度大

　　于或等于1.5mm的板材的生产、使用和销售，无耐候防护层的板材也可参考使用。

　　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

　　GB/T1040.2塑料拉伸性能的测定第2部分：模塑和挤塑塑料的试验条件（GB/T1040.2—2022，

　　GB/T2828.1计数抽样检验程序第1部分：按接收质量限（AQL）检索的逐批检验抽样计划

　　GB/T3681.2塑料太阳辐射暴露试验方法第2部分:直接自然气候老化和暴露在窗玻璃后气候

　　GB/T12967.4铝及铝合金阳极氧化膜及有机聚合物膜检测方法第4部分:耐光热性能的测定

　　ISO179﹘1:2023塑料简支梁冲击性能的测定第1部分:非仪器化冲击试验（Plastics—

　　1. 本站所提供的标准文本仅供个人学习、研究之用，未经授权，严禁复制、发行、汇编、翻译或网络传播等，侵权必究。

　　2. 本站所提供的标准均为PDF格式电子版文本（可阅读打印），因数字商品的特殊性，一经售出，不提供退换货服务。

　　3. 标准文档要求电子版与印刷版保持一致，所以下载的文档中可能包含空白页，非文档质量问题。