... sealed to plastic, paper, glass or metal containers. And used for yogurt, juice, snacks, confectionary Henan Oneworld industrial supply all kinds ... sealed to plastic, paper, glass or metal containers. And used for yogurt, juice, snacks, confectionary or similar products2. Feature:1) ... : From 30 to 45 micron4. Heat Seal Materials: PS/PP/PVC/PET/PE plastic materials, glass materials and also special ...