1.welding helmets auto darkening. 2.Electro-optical technology of Germany. 3.High-definition visual effect. welding helmets auto darkening EH-124MODELEH-121/EF9040FILTER SIZE110x90x10mm VIEW AREAS 91x41mmUR/IR PROTUP TO SHADE DIN16 ALL TIMELIGHT SHADE NUMBERDIN 4DARK SHADE RANGEDIN9-13SHADE ADJUSTMENTEXTERNALSENSITIVITY ADJUSTMENTCAN ADJUSTABLSWITCHING TIME1/20000S FROM BRIGHT TO DARKRECOVERY ...
... bio-diese Sodium methylate-methanol solution(124-41-4) Sodium methylate-methanol solution(124-41-4) is colourless to slightly ... of pharmaceuticals. [Chemical name] Sodium methylate-methanol solution[CAS NO.]124-41-4[Formula] CH3ON [Molecular weight] 54.024 [Characteristics ... and intermediate of pharmaceuticals. About sodium methylate-methanol solution(124-41-4),we are the first manufacturer in China ...
1-Nonanal CAS NO.124-19-6 M.F:C9H18O M.W:142.24 Appearance:Colorless to light yellow liquid 1-NonanalCAS NO.124-19-6M.F:C9H18OM.W:142.24Appearance:Colorless to light yellow liquidPurity:>99%Used for food additives
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