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BuKePrinting >> knowledge >> 模壓材料的選擇【步殼印刷​】

模壓材料的選擇【步殼印刷​】

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2023-02-06 | 31 Views | Share:
模壓材料的選擇【步殼印刷​】

模壓材料的選擇【步殼印刷】


適合於全息標識模壓復制的材料是熱塑性材料，主要有以下幾種：聚氯乙烯（PVC）薄膜或片材（透明或鍍鋁）：聚酯（PET）薄膜或片材（透明或鍍鋁）：適於向紙張、織物或塑料上轉印的燙印金屬箔、電化鋁箔等。

目前使用最多的材料是聚氯乙烯（PVC）和聚酯（PET），在實際生產過程中可以根據具體設備和工藝條件進行選擇，一般來說應考慮以下原則：

（1）要求材料透明、平整、厚度均勻（誤差≤±10%），無水紋、污漬、劃痕，增塑劑含有的雜質盡可能少，較好的耐磨性和全息層的透過率超過90%

（2）採用鍍鋁的聚氯乙烯（PVC）和聚酯（PET）時，雖然可以減少一道後工序鋁）的加工，但在模壓復制時由於熱塑性材料與金屬反射層同時變形，因此加工的溫度和壓力更高。要求鍍鋁反射層牢固、緻密、無砂眼

（3）對於不同規格的材料要選擇不同的壓印方式，捲筒材料（薄膜）適合滾壓加工方式，一般要求薄膜在0.05～0.1mm之間。片材適合於平壓（平壓只能加工較厚、較硬的片材），當金屬模壓版厚度均勻性好時，片材的最小厚度可以達到01m

 

模壓材料的選擇【步殼印刷】

模壓材料的選擇【步殼印刷】

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