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ASTM C591-2017 預制未光面硬質(zhì)蜂窩狀聚異氰脲酸酯隔熱材料規(guī)格 Standard Specification for Unfaced Preformed Rig...2023-08-05

BS EN 12931-2015 人類飲用水處理用化學品應急用化學品無水二氯異氰脲酸鈉 Chemicals used for treatment of wate...2023-07-28

ASTM C591-2020 Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulat...2023-07-06

ASTM C1289-2018 Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board2023-06-06

助交聯(lián)劑對動態(tài)硫化聚烯烴彈性體/聚丙烯共混物性能的影響2020-08-11