1. Numix
Car Refinish

2. CONTENTS 1. What is Numix? 2. Surface Preparations
3. How to use Numix ?
4.Troubleshooting
5. Technical Data Sheet

3. 1. What is Numix? Numix is specially made to: Suit Car Refinish System
Designed to give a wide variety of color combinations that enables to obtain all car colors known in the world of different brands through a specially designed software. It can also give Ral and BS colors.
Consists of two systems:
Top Coat 2K (35 colors ), Base Coat 1K ( 70 colors)

4. A- Top Coat 2K
Is a high quality medium solid acrylic paint for car repair industry.
Two-pack system (Acrylic hydroxide cross linking with Isocyanate) .
Topcoat system for passenger cars and commercial vehicles in solid colors.
Simple, fast and durable ( keeps original color and gloss for years ).
Color Standard : 35 colors ( 30 solid color + 4 metallic + 1 matting Agent)
NOTE :
1. See color list on page ( )
2. See Top coat technical data sheet on page ( )

5. B- Base Coat 1K
It is an air-drying basecoat system one-pack ( Hybrid compound of acrylic Hydroxide, Cellulose Acetate Butyrate & Melamine formaldehyde- self curing).
Special colors such as metallic and pearls have been introduced.
Can be used to repair all two-coat car colors, including modern pearls
More than 75% of new cars are painted in two-coat paint systems, consisting of a basecoat and clear coat.
Color Standard : 70 colors ( 34 solid color + 9 metallic + 23 pearl + 2 effect color + 2 lacquer )
1. See color list on page ( ).
2. See Top coat technical data sheet on page ( ).

6. 2. Surface Preparations A- Types of Surface Substrates
B- Degreasing & Cleaning
C- Sanding
D- Foundations

7. A- Types Of Surface substrates:
A- Steel
B- Galvanize (Zinc-Coated Steel )
C- Aluminum
D- Stainless Steel
E- Plastic ( bumpers, Spoilers )
F- Existing Finish

8. B- Degreasing & Cleaning :
- Use Two rags of cloth, one to wet substrate & the other one to remove the residue
- Degrease with National Cleaner

9. Primer Surfaces: For Spot Repair Area:
Dry flat with p320 – p 500 sandpaper (3M 255P Gold) or wet flat with p500-p1000 sandpaper ( 3M 734 Black).
For Spot Repair Area:
Dry flat with p400 – p 500 sandpaper (3M 255P Gold) or wet flat with P800-p1000 sandpaper ( 3M 734 Black).
Note :
1. See color list on page ( )
2. See Top coat technical data sheet on page ( )

10. C- Sanding : Existing finishes: Polyester putty: Bare steel surface:
Dry flat with p220- p320 sandpaper (3M 255P Gold) or wet flat with p400 sandpaper (3M 734 Black).
Polyester putty:
Dry flat with p120 - p220 sandpaper (3M 255P Gold) or wet flat with p220 - p320 sandpaper ( 3M 734 Black ).
Bare steel surface:
Degrease and abrade with p120 – p220 sandpaper (3M 734 Black).

11. D- Foundations : 1- Numix Adhesion Promoter Polyolefin resins
For Plastic car body parts
Mixing Ratio : Ready to use
Microns dry film thickness

12. 2- Wash Primer 2K For Galvanize (Zinc-coated steel),
Aluminum & Stainless Steel substrate
Pot life : 8 hours
Mixing Ratio
Mix 1:1 with National
Etching Adhesion Activator
Ready to spray
Drying Time
30 min 20°C
Overcoat with Numix 2K Filler

13. 3- Numix 2K Primer Acrylic Hydroxide cross linking with Isocyanate
Mixing Ratio
Mix 4:1 with
Numix Hardener MS
3- Numix 2K Primer
Acrylic Hydroxide cross linking with Isocyanate
For existing finish, wash primer, polyester putties & bare steel surface.
Pot life : 2 hours
microns dry film thickness
25-30% Numix Thinner 2K
Spray viscosity
18-20 s/DIN 4mm/20°C
Air dry overnight/20°C
or 30 min /60°C panel temperature
Wet Sand with P500-P1000
Over coat : Numix Top
Coat or Base Coat

14. 4- Numix 1K Primer Acrylic Base For existing finish, wash primer,
Mixing Ratio
Mix with 30-35%
Numix Thinner 2K
4- Numix 1K Primer
Acrylic Base
For existing finish, wash primer,
polyester putties & bare steel
surface.
Spray viscosity
18-20s/DIN 4mm/20°C
Air Dry
~30-60 min /20°C
depending on film thickness
Wet Sand with P600-P800
Overcoat Numix
Basecoat or Topcoat

15. 5- Polyester Putty 2K component paste, based
Mixing Ratio
Mix with 2-3%
Hardener paste
5- Polyester Putty
2K component paste, based
on polyester resin cross linking with peroxide hardener.
Pot life: 5-10 minutes
Used to fill the deep gaps,scratches & dents in the metal.
microns dry film thickness.
Apply Stopper
Air Dry
15-20 min/20°C
Sand Paper
Coarse Sand P80-P120
Fine Sand P180-P240
Overcoat Numix Primers

16. Surface Primer 1K or 2K one single coat OR OR Top Coat 2K
Preparation : P400/P500(dry)
P800/P1000(Wet)
Mixing Ratio : 100:50:30
Application : 2 single Coats
Drying Time : 30minutes 60ºC
Primer 2K
Preparation : P320-P500(Dry)
Mixing Ratio : 4:1
Application : 2 single Coats
Drying Time : 24 hours 20ºC
Primer 1K
Preparation p 320 p 500 dry
mixing ratio : 3:1 thinner
Application : 2 single coats
Drying time : 24 hours 20 c OR
Base Coat 1K
Preparation : P400/P500(Dry)
P800/P1000(Wet)
Mixing Ratio : 100:100
Application :2-3 single Coats
Drying Time : min . 20ºC
Top or Time Putty
Preparation : P120/P220 (Dry)
Mixing Ratio : 100 :
Drying Time : 15 min.20ºC.
Clear Coat HS
Mixing Ratio : ?????
Application : 2 single Coats
Drying Time : ??????
Clear Coat 2K
Mixing Ratio : 100:50:30
Application : 2 single Coats
Drying Time : 30 mint. 60ºC OR

17. Tools & Equipments Examples of recommended
Sata RP = 1,2 mm - 1,3 mm nozzle
Sata HVLP = WSB nozzle
De Vilbiss GTI / cup = 1,2 - 1,3 mm nozzle

18. Spray Guns HVLP or conventional guns are suitable required
Stainless Steel fluid needles
required
Recommended HVLP guns
SATA Jet / NR95 / NR2000
Devilbiss JGA / GTI