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Product Name: Fast Drying Auto Car Paint 1K Primer Surfacer (DX627F)
Product Description:
DX-627 is 1K fast drying paint, which usually use for the primer complementary. It has good
workability, fast drying property and can also support the primer to achieve excellent sickness
& make the sanding easier & faster.
Product & Auxiliary:
Doxu 1K Primer DX-627
1K Thinner DX-300 Series(DX-300 fast drying, DX-300 standard, DX300 slow drying)
Chemical Composition:
Doxu 1K Primer[DX-627]: Modified Acrylic Resin
Surface of Application:
Epoxy Primer[DX-623]
Poly putty[DX-628]
Intact old paint
Surface Preparation:
To remove the grease and paraffin by degreaser before polishing,
Prepare 2pcs of cleaned clothes, one for wiping the degreaser and the other is for removing the grease
To process the original paint by dry polish the substrate with 320-400 grits sanding paper,
or wet polish it with 800-1000 grits sanding paper
Poly Putty[DX-628] to dry polish it with 400grit sanding paper.
Mixing Ratio(Volume):
100 portion: 1K primer [DX-627]
80-100 portion: 1K Thinner DX-300 series
To mix the above material evenly in a certain container before using.
Spraying Gun, Nozzle, Spraying Pressure:
Spraying Gun, Nozzle, Spraying Pressure | Spraying Gun, Nozzle(mm) | Spraying Pressure {bar} |
Gravity | 1.8-2.0 | 2-4bar |
Suction | 1.8 | 2-4bar |
HVLP | 1.2-1.5 | 0.7bar |
Pressure | 1.1-1.2 | 4-6bar |
Vacuum | 1.2-0.011 Inches/65° | 140-160bar |
Spraying Method:
To spray 2-3 layers, curing time between each layer should normally be 3-5min till the former layer is dry and
appear to be matt. The interval of each layer is affected a lot by the temperatureand airflow condition.
Drying time:
| Drying time | 20℃ | 60℃ |
Tack-free | 5min | 2min |
Sanding | 1.5hrs | 30min |
Drying & Curing time:
Curing agent | 20 ℃ | 35 ℃ | 60 ℃ |
Dust-free | 15min | 10min | 5min |
Tack-free | 30min | 20min | 10min |
Assembling | 20hrs | 12hrs | 45min |
Polishing | 10hrs | 6hrs | 50min |
The curing time above is just refer to the match with 2K finish coat, the specific drying & curing time for the match of different finish coat would be various
Recommended Sanding Paper :
| Methods | Grits |
| Wet polishing, Manual | 800- 1000# |
| Dry Polishing. Automatic | 320- 400# |
Packaging :
1L/4L Can
Storage Period:
Can be stored for 2 years in its sealed original drums in proper storage conditions.
Can be stored for 2 years in its sealed original drums in proper storage conditions.






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