What is measure difference between PE and LDPE?
Answers
Answer:
Although both materials are polyethylene, they do have different properties. LDPE is softer, more flexible and melts at a lower temperature than HDPE. LDPE is used in sandwich bags and other types of packaging. HDPE is harder, has a higher chemical resistance and can withstand higher temperatures.
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What is measure difference between PE and LDPE?
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ʟɪɴᴇᴀʀ ʟᴏᴡ-ᴅᴇɴsɪᴛʏ ᴘᴏʟʏᴇᴛʜʏʟᴇɴᴇ (ʟʟᴅᴘᴇ) ɪs ᴜsᴇᴅ ɪɴ ғɪʟᴍs ᴀɴᴅ ᴘᴀᴄᴋᴀɢɪɴɢ ᴅᴜᴇ ᴛᴏ ɪᴛs ғʟᴇxɪʙɪʟɪᴛʏ ᴀɴᴅ ᴛᴏᴜɢʜɴᴇss. ʜɪɢʜ-ᴅᴇɴsɪᴛʏ ᴘᴏʟʏᴇᴛʜʏʟᴇɴᴇ (ʜᴅᴘᴇ) ɪs ᴛʏᴘɪᴄᴀʟʟʏ ᴛʀᴀɴsʟᴜᴄᴇɴᴛ ᴀɴᴅ ʟᴇss ғʟᴇxɪʙʟᴇ ᴛʜᴀɴ ʟᴅᴘᴇ. ᴅᴜᴇ ᴛᴏ ɪᴛs ʜɪɢʜᴇʀ ᴄʀʏsᴛᴀʟʟɪɴɪᴛʏ, ɪᴛ ʜᴀs ʙᴇᴛᴛᴇʀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇsɪsᴛᴀɴᴄᴇ, sᴛɪғғɴᴇss, ᴀɴᴅ sᴛʀᴇɴɢᴛʜ ᴛʜᴀɴ ʟᴅᴘᴇ.
ᴘʀᴏᴅᴜᴄᴇᴅ ᴛʜʀᴏᴜɢʜ ғʀᴇᴇ-ʀᴀᴅɪᴄᴀʟ ᴘᴏʟʏᴍᴇʀɪᴢᴀᴛɪᴏɴ, ʟᴅᴘᴇ ʜᴀs ᴛʜᴇ ᴍᴏsᴛ ʟᴏɴɢ- ᴀɴᴅ sʜᴏʀᴛ-ᴄʜᴀɪɴ ʙʀᴀɴᴄʜɪɴɢ ᴏғ ᴀɴʏ ғᴏʀᴍ ᴏғ ᴘᴇ, ʀᴇsᴜʟᴛɪɴɢ ɪɴ ɪᴛs ʟᴏᴡᴇʀ ᴅᴇɴsɪᴛʏ. ᴛʜᴇ ʙʀᴀɴᴄʜɪɴɢ ᴋᴇᴇᴘs ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴀʀ ᴄʜᴀɪɴs ғʀᴏᴍ ᴘᴀᴄᴋɪɴɢ ᴛɪɢʜᴛʟʏ ɪɴ ɪᴛs ᴄʀʏsᴛᴀʟɪɴᴇ ғᴏʀᴍ, sᴏ ʟᴅᴘᴇ ʜᴀs ʟᴇss ᴛᴇɴsɪʟᴇ sᴛʀᴇɴɢᴛʜ ʙᴜᴛ ɢʀᴇᴀᴛᴇʀ ᴅᴜᴄᴛɪʟɪᴛʏ
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