1、形狀規則或表面柔軟的產品：對于形狀規則或者表面柔軟的產品，如肉腸類產品、豆制品等，不必要求材料的機械強度高，只需要考慮材料的阻隔性和殺菌溫度對材料的影響。

1. Products with regular shapes or soft surfaces: For products with regular shapes or soft surfaces, such as sausages, soy products, etc., it is not necessary to require high mechanical strength of the material, but only to consider the barrier properties of the material and the impact of sterilization temperature on the material.

故而，對這樣的產品，一般采用OPA/PE 結構的包裝袋。如果需要高溫殺菌(100℃以上)，可采用OPA/CPP結構，或者采用耐高溫的PE 作為熱封層。

Therefore, for such products, OPA/PE structured packaging bags are generally used. If high-temperature sterilization (above 100 ℃) is required, OPA/CPP structure can be used, or high-temperature resistant PE can be used as the heat sealing layer.

2、表面硬度高的產品：諸如帶骨肉制品這類產品，由于表面硬度高而且有堅硬的突起，容易在抽真空和運輸過程中刺破包裝袋，因此這類產品的包裝袋需要具有很好的耐穿刺性和緩沖性能，可選擇PET/PA/PE 或者OPET/OPA/CPP材質的真空袋。

2. Products with high surface hardness: Products such as bony meat products have high surface hardness and hard protrusions, which can easily puncture the packaging bag during vacuum pumping and transportation. Therefore, the packaging bag of these products needs to have good puncture resistance and cushioning performance. Vacuum bags made of PET/PA/PE or OPET/OPA/CPP materials can be selected.

如果產品重量在500g以下，可以嘗試采用OPA/OPA/PE結構的包裝袋，這種袋具有很好的產品適應性，抽真空效果更佳，同時不會改變產品的形狀。

If the product weight is below 500g, you can try using packaging bags with OPA/OPA/PE structure. This type of bag has good product adaptability, better vacuum effect, and will not change the shape of the product.

3、易變質的產品：低溫肉制品等容易變質并需要低溫殺菌的產品對包裝袋的強度要求不高，但卻要求其具有極佳的阻隔性，因此可以選擇純粹的共擠膜，如PA/PE/EVOH/PA/PE 結構的薄膜，也可以采用干復方式，如PA/PE薄膜，還可以采用K 涂層材料。高溫產品則可以采用PVDC收縮袋或者干復袋。

3. Products that are prone to spoilage: Low temperature meat products and other products that are prone to spoilage and require low-temperature sterilization do not have high requirements for the strength of packaging bags, but they require excellent barrier properties. Therefore, pure co extruded films can be chosen, such as PA/PE/EVOH/PA/PE structure films, dry compound formulas can also be used, such as PA/PE films, and K coating materials can also be used. High temperature products can use PVDC shrink bags or dry composite bags.

4、更高檔優質的產品：七層共擠包裝，其更優的阻隔性能，能同時滿足1、2、3所敘產品的需求，它的使用使得你的產品更顯檔次，大大延長內容物的保質期。

4. More high-end and high-quality products: Seven layer co extrusion packaging, with superior barrier performance, can simultaneously meet the needs of products mentioned in 1, 2, and 3. Its use makes your product more upscale and greatly extends the shelf life of the content.

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