How to Tell Real Da Qi (大漆) From Synthetic “Lacquer”
“Da Qi” (大漆) refers to traditional Chinese natural lacquer made from the sap of the lacquer tree
(Toxicodendron vernicifluum). This natural material has been used in East Asia for thousands of years to create lacquerware and protective coatings.
It is very different from modern synthetic lacquers made from resins, acrylics, or polyurethane.
Natural Da Qi is layered, labor intensive, and develops a deep glow over time. Synthetic coatings are usually easier and cheaper to produce but often look and behave differently.
Quick Summary
If it looks like light goes into the surface and the glow feels soft and deep, it may be natural lacquer.
If it looks like a shiny plastic coating sitting on top of the surface, it is more likely synthetic.
What Real Da Qi Usually Looks Like
1) Depth of Surface
Real Da Qi: The surface often has visual depth and layered translucency.
Synthetic: The shine tends to appear flat and mirror-like.
2) Texture
Real Da Qi: Smooth, slightly warm feeling, sometimes described as silky or wax-like.
Synthetic: Harder and more plastic or glass-like.
3) Smell
Real Da Qi: May have a faint earthy or wood-sap scent when new.
Synthetic: Often has a chemical or plastic smell.
4) Aging Behavior
Real Da Qi: Often deepens in color and develops a mellow glow over time.
Synthetic: Can yellow, cloud, crack, or peel.
5) Wear Patterns
Real Da Qi: Wear usually appears gradual and soft, developing patina.
Synthetic: Damage often appears as sharp chips or peeling layers.
6) Production Time
Real Da Qi lacquerware typically requires many thin layers applied and cured in controlled humidity.
This time-intensive process contributes to the higher cost of authentic lacquer pieces.
Safe At-Home Checks
Water Drop Test
Place a small drop of water on the surface.
Real Da Qi: Water often beads softly.
Synthetic: The drop may spread or sit on a slick surface.
Light Angle Test
Shine light across the surface at a shallow angle.
Natural lacquer often shows depth and layered reflection rather than a single glossy highlight.
What NOT to Do
Avoid burn tests, chemical tests (acetone or alcohol), or scratching the surface.
These methods can permanently damage lacquer finishes.
Common Terms Used by Sellers
天然大漆 (Natural Da Qi): Natural lacquer from lacquer tree sap.
生漆 (Raw lacquer): Unrefined lacquer sap.
树脂 (Resin): Synthetic resin coatings.
PU lacquer / 聚氨酯: Polyurethane coating.
Helpful Questions to Ask Sellers
• Is the finish 天然大漆 (natural lacquer) or synthetic resin?
• How many layers were applied?
• How was the lacquer cured (humidity cabinet or natural curing)?
• Are there workshop or process photos?
References & Further Reading
The Metropolitan Museum of Art – Chinese Lacquerware
Encyclopedia Britannica – Lacquerwork
Victoria & Albert Museum – Lacquer Techniques