Answer:
A: Yes,it have Food-grade PP or PE film on the face of container which can assist sealing well.
B: The thickness for PP/PE is 30 to 50 micron ,when we heat sealing with lid ,the temperature can adjust from120℃ to 180℃.
C: We can use retort machine to sterilise , the temperature should under 300℃ ,which do not influrence useable.
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