Featured Application · Bakery & 糖果包装
如何选择烘焙用热成型片材 & 糖果包装
A practical sheet selection guide for thermoforming manufacturers and packaging converters choosing APET, RPET or PP sheet rolls for cakes, pastries, cookies, desserts and other bakery and confectionery packaging.
快速解答
为了 clear bakery and confectionery packaging, APET is usually the first thermoforming sheet route to evaluate. RPET can be considered when recycled content is part of the packaging requirement while maintaining a PET-based solution. For applications involving 更高的温度要求或基于 PP 的封装系统, PP 通常是更相关的起点。
最终板材选择还应考虑 封装几何形状、起始规格、所需刚性、 产品能见度、油脂和水分状况， 闭合方法、卷宽度和实际热成型性能。
01 从烘焙应用中选择片材
Bakery packaging covers very different products and package formats. A clear cake box, pastry clamshell, cookie tray and dessert container may all be thermoformed from sheet, but the required sheet specification can be different.
Start with product visibility, temperature conditions, package geometry, required rigidity and closure method. These factors normally provide a better starting point than selecting the material from the product name alone.
| Packaging Requirement | 首先评估的材料 | 板材采购注意事项 |
|---|---|---|
| Clear cake, pastry or dessert packaging | APET | Clarity, stiffness, gauge, forming depth, surface appearance and closure geometry. |
| PET packaging with recycled-content requirement | rpet | Recycled-content requirement, appearance, forming performance, gauge and project specification. |
| Higher-temperature bakery or dessert application | PP | Actual filling or use temperature, rigidity, forming behavior and closure requirement. |
| High product-visibility packaging | APET / RPET | Sheet clarity, surface quality, appearance after forming and package geometry. |
| Deep cake dome or tall formed cover | Material and gauge should be evaluated together | Forming depth, wall distribution, corner geometry, rigidity and mold design. |
02 根据封装几何形状和刚度指定起始规格
起始板材规格必须提供足够的材料 用于热成型过程，同时允许成品 封装达到所需的刚性和形状。
浅糕点或糖果托盘通常分布 材料不同于高蛋糕盖或深甜点 容器。随着成形深度的增加，壁分布 局部细化变得更加重要。
这是一个有用的 应用参考范围, not DESU’s manufacturing thickness limit. Final starting gauge should be selected according to material, package dimensions, forming depth, required rigidity, wall distribution and thermoforming conditions.
Tall cake covers and deeper containers require more attention to material distribution than shallow trays.
成型的包装必须保持足够的刚度 在处理过程中保护烘焙产品 并显示。
法兰、卡扣边缘和蛤壳式铰链 成型后必须保持尺寸稳定。
03 将板材与面包店包装要求相匹配
Bakery packaging often has to balance product presentation with practical handling. The sheet may need to provide clear product visibility, maintain the shape of a large cake cover, handle contact with oily or moist products, and work reliably with the intended closure.
产品知名度
For cakes, pastries and confectionery sold through visual display, sheet clarity and appearance after forming can be important purchasing requirements.
润滑脂 & 水分
Describe whether the package will contact oily, moist, chilled or freshly prepared products so the sheet requirement can be discussed in the correct context.
关闭 & 处理
Snap-fit lids, clamshells, separate bases and covers place different demands on rim definition, dimensional stability and formed-part rigidity.
Temperature Should Be Defined From the Real Application
“面包店包装”并不自动意味着一种 温度条件。部分产品仅包装 冷却后，而其他项目可能会涉及温暖 填充或不同的使用条件。
如果温度相关，请提供预期的 灌装、储存和使用条件 在讨论该表而不是依赖该表时 单独的产品类别。
04 将选择变成生产卷规格
一旦选择了材料和起始规格， 该规范仍需要转换为 适合客户热成型生产线的卷材 和工具。
生产前需确认的参数
卷筒宽度应遵循工具布局
卷筒宽度影响机器进给、型腔布局和 材料利用率。对于现有的生产来说， 提供当前卷宽度。对于一个新项目， 工装布局和机器进料宽度很有用 定义生产卷的参考。
05 批准实际包装工具上的表格
Final approval should be based on how the sheet performs after heating, forming, trimming and closing the package, not only on the incoming roll specification.
A forming trial is especially useful for a new mold, deeper package, material change, gauge reduction or new closure design.
Material, gauge, width, appearance and package requirements.
Process the sheet on the intended thermoforming machine and mold.
Check walls, corners, clarity, rigidity, rim and trim quality.
Confirm lid fit, hinge or snap-fit performance before regular supply.
成型后应检查哪些内容？
- 壁厚和角部厚度分布
- Clarity and appearance after forming
- Package rigidity and dimensional stability
- Cake dome or cover shape retention
- Rim and flange definition
- Whitening or visible stress in deep areas
- Trim and edge quality
- Snap-fit, hinge or lid closure performance
- 相关的堆叠和解除嵌套
The objective is to confirm that the selected sheet works reliably with the customer’s 机器、模具、包装几何形状和封口设计。
06 为面包店包装表询价发送 DESU 的内容
如果该包已在生产中，则您当前的 板材规格是最快的起点。 对于新项目，请发送尽可能多的以下内容 您目前拥有的信息。
材料： APET / RPET / PP / 未定
板材厚度： ___ 毫米/未决定
卷筒宽度： ___ 毫米
外貌： 透明/自然色/彩色
包装尺寸： 长 ___ × 宽 ___ × 深 ___ 毫米
最大成型深度： ___ 毫米
产品： ___
灌装/使用温度： ___
关闭： 卡扣式 / 铰接式 / 独立盖 / 其他
特殊要求： 透明度/防雾/表面/其他/无
机器送料宽度： ___ 毫米/未知
芯/卷外径/卷重量要求： ___ / 遵循供应商推荐
图纸或成型样品： 可用/不可用
试用数量： ___
预计生产需求： ___
未知的值不需要拖延讨论。 当前卷标、包装图、模具信息 或形成的样本通常可以提供足够的背景信息 定义实用的起始表规格。
07 常见问题解答 — 面包店购买表 & 糖果包装
透明烘焙包装通常使用哪种片材？
APET 是许多透明材料的实用原材料 蛋糕、糕点、饼干和甜点包装，其中产品 可见性和成型零件的刚性很重要。 最终选择还是要考虑封装深度， 闭合设计和实际成型条件。
何时应考虑 RPET？
当回收成分是一部分时，可以评估 RPET 项目要求和基于 PET 的热成型 解决方案是合适的。所需的回收成分， 应确认外观及成型规格 对于个别项目。
何时应考虑使用 PP 用于烘焙包装？
PP 通常值得评估的应用场合 有更高的温度要求或基于 PP 的 封装系统是首选。提供实际灌装情况， 储存和使用条件而不是仅仅依赖 关于“面包店包装”的描述。
烘焙包装应使用什么厚度的纸张？
实际应用参考范围为 0.25–1.20 毫米，但这不是 DESU的制造厚度极限或通用 推荐。应选择起始仪表 根据材料、成型深度、包装几何形状， 所需的刚度和壁分布。
高蛋糕圆顶是否需要更厚的蛋糕片？
It may require a different starting gauge, but thickness alone should not be used to solve the forming requirement. Dome height, geometry, corner radii, material distribution, tooling and forming conditions should be evaluated together.
Does every bakery package need anti-fog sheet?
否。结露时应注明防雾 条件和所需的产品可见性使得 有必要。产品、填充状况、 储存温度和包装设计应 在添加要求之前考虑。
DESU 是否生产成品蛋糕盒或烘焙容器？
否。 DESU 生产热成型塑料片材 和片材卷供应给包装制造商 和热成型转换器，生产 成品烘焙包装。
采购用于烘焙包装的卷材？
Send us your application, current material, thickness and roll width. For a new project, include the package dimensions, forming depth, temperature conditions, required appearance and closure method. We can use that information to discuss a practical starting sheet specification for your thermoforming line.
