1, the product properties: 
 Colorless or slightly yellow liquid, the use of bio-fermentation technology, and several rounds of fermentation, adding more than 40 kinds of natural spices and more than 50 trace elements, deployed from science, adding the product to better address the many wine kinds of trace elements, quantitative portfolio, so that the wine, Chen taste good, quality wine mellow cool net. 
 2, Technical Requirements: 
 (1) Color: Brown; 
 (2) Aroma: The aroma of acid-based compound; 
 (3) Refractive Index (20 ℃) ??:1.3900-14100; 
 (4) Relative density (25/25 ℃) :0.9000-0 .9100; 
 (5) Total acid (as acetic acid g / L) :100.0-200 .0; 
 (6) Heavy metals (Pb mg / L): ≤ 10; 
 (7), arsenic (As mg / L): ≤ 3; 
 (8) Solubility (25 ℃): 1g sample completely dissolved in three times the 50% (V / V) ethanol. 
 3, use: 
 Bartender at the hook, it will shake the product before use (for a long time produced little precipitation are set to normal) slowly add the wine, stir 10-30 minutes, then put it aside for bottling filtration. 
 4, the reference to the amount of 0.01-0.05%.