The United States has recently developed a new rigid film Tekniflex PGA and PGOA with high oxygen barrier and moisture resistance for medical packaging. This PETG, EVOH and PCTFE multi-layer composite film is suitable for medical facilities and pharmaceutical blister packaging that require high barrier properties and transparency.
The product is said to be selected from Eastman 6673 PETG brand from Eastman Specialty Polymers, Inc. This grade has extremely excellent thermoforming properties required for medical trays with complex shapes, resists radiation sterilization, and ensures good rigidity and resiliency. Packaging has good physical protection. In addition, it can also be used in combination with many other cover packages. (Yi Jia)
Source: China Chemical News
The copying table is also called the writing table and the light-transmitting table. It is currently the most used in animation and comics and is an essential tool.When using it, you can overlap multiple drawings together, and you can clearly see the patterns on the bottom drawing. Using this function, you can easily copy the bottom drawing on the top paper. Therefore, many beginners of painting I will use a copy table to copy my favorite works.
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