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Posted 4 weeks ago by bnui1ui

PVP-Polyvinylpyrrolidone is a nonionic water-soluble polymer and can be applied in a variety of fields-of-use owing to following advantageous characteristics. 1. Good solubility in water as...

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Posted 1 month ago by moko16am

When Did Socks Become a Thing? You may have noticed that women basic socks aren’t what they used to be. Think back: for a long time socks...

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