預涂膠特衛強蓋材是與吸塑盒熱封形成無菌屏障系統的透析紙，它具有良好的透氣、阻菌和耐滅菌性能，常用于一些比較高端的醫療器械包裝上作為硬吸塑的熱封蓋材，其與PETG、PVC、PS、PP、PET等吸塑盒材料封合良好，特衛強蓋材的常用型號有：1073B，1059B和2FS，三者在材料密度、抗拉強度、厚度等方面的指標不一樣。可空白或帶印刷提供。
Pre-coated Tyvek lids are heat sealing materials matched with medical blisters to form sterrile barrier system. They have good air permeability, bacteria resistance and sterilization resistance and are widely used as sealing cover material with blisters for higher end medical devices，and are well sealed with PETG, PVC, PS, PP, PET and blister materials. The most commonly used Tyvek models are 1073B, 1059B and 2FS, with different indicators in material density, tensile strength, thickness and so on. They can be offered blank or printed.
