Physical properties:
Points in volume………………..20.01
Boiling point (℃)………………..19.5
Critical temperature (℃)……….188.0
Critical pressure (MPa)……….. 6.48
Critical density (g / cm3)………0.29
Melting point (℃)……………...-83.6
Liquid density [25 ° C] (g / cm3)…. 0.958
Saturated vapor pressure (KPa)….. 53.32
■ Product Specifications (Executive
Standard: GB / T7746-1997)
| Serial
  number | Indicator
  name | Top
  grade | First
  grade | Qualified
  products | ||||||
|   |   | F-40 | F-40 | F-55 | F-60 | F-40 | F-55 | F-60 | ||
| 1 | 
 | 40.0 | 40.0 | 55.0 | 60.0 | 40.0 | 55.0 | 60.0 | ||
| 2 | 
 | 0.02 | 0.02 | 0.5 | 0.5 | 0.6 | 1.0 | 1.0 | ||
| 3 | 
 | 0.02 | 0.05 | 0.08 | 0.1 | 0.6 | 0.8 | 1.0 | ||
| 4 | 
 | 0.005 | 0.01 | - | - | - | - | - | ||
■ product performance brief
Hydrofluoric
acid is an aqueous solution of hydrogen fluoride, colorless and transparent,
with a strong irritating odor and corrosive, can quickly corrode silicon and
other silicon materials.
■ Usage
Mainly used
for fluoride salt production etching glass, metal cleaning and surface
treatment.
■ Packaging, storage and transportation
Polyethylene
plastic barrel: 10KG / barrel, 25KG / barrel, 200KG / barrel; lined with
plastic drums; 200KG / barrel.
Note: The
content of HF between 35-70%, according to user requirements organization and
production.
Should be
stored in a shed with the warehouse, no exposure, non-flammable and easy to mix
the product.