PHPA is a high-molecular-weight PHPA copolymer used to encapsulate cuttings and performs as shale stability enhancer, viscosifier, flocculant, bit balling reducer and fluid loss control agent. PHPA
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Reusable KN95 Protective Face Mask is made of high-density cotton material, which can isolate dust, allergies, smoke, pollution, ash, etc. This is a must-have for outdoor, travel and other public
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1. It is a good insulator.
2. Plastic manufacturing costs are low
3. Most plastics have strong corrosion resistance and do not react with acids and alkalis.
4. Durable, waterproof and
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Type 26 raw rubber is a copolymer of vinylidene fluoride and hexafluoropropylene, and type 246 raw rubber is a copolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene.
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