亚洲国产精品一区二区无码_欧美日韩中文国产一区_一级a爱做片在线看不卡_亚洲热无码AV一区二区东京热AV_成人午夜精品无码区不卡_欧美高清观看免费全部完_青椒午夜剧场av色_99精品热在线视频手机版_av免费在线观看国产_亚洲黄色免费观看视频

您的瀏覽器版本太低,將不能正常瀏覽。請升級 Internet Explorer或使用Google Chrome瀏覽器。
如果您在使用雙核瀏覽器,請切換到高速 / 極速 / 神速 核心。
Naphthalene
Product
2020-03-28
Product Presentation:
Production capacity over 60,000 tons/Y,High-quality raw materials for concrete water reducing admixture and refined naphthalene. JZC(JFE) unique production method,assuring steady supply.Top and stable quality.
 
Use:
Concrete water reducing admixture widely used in concrete water reducing admixture and other building materials,with high customer valuation.It can also be used in refined naphthalene,dye and plasticizer processing, having good use effect.

Index Name Unit GB/T6699-1998
Excellent grade First grade Up to grade
Exterior   White, reddish white or yellowish white. Powder crystal or flaky crystal.
Crystallization point ≥78.3 ≥78.0 77.5
Nonvolatiled matter wt% ≤0.04 ≤0.06 ≤0.08
Ash wt% ≤0.01 ≤0.02 ≤0.02