Numix Car Refinish CONTENTS 1 What is Numix

Numix Car Refinish

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

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 2 K (35 colors ), Base Coat 1 K ( 70 colors)

A- Top Coat 2 K 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 ( )

B- Base Coat 1 K 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 ( ).

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

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

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

Primer Surfaces: Dry flat with p 320 – p 500 sandpaper (3 M 255 P Gold) or wet flat with p 500 -p 1000 sandpaper ( 3 M 734 Black). For Spot Repair Area: Dry flat with p 400 – p 500 sandpaper (3 M 255 P Gold) or wet flat with P 800 p 1000 sandpaper ( 3 M 734 Black). Note : n 1. See color list on page ( ). 1 2. See Top coat technical data sheet on page ( )

C- Sanding : Existing finishes: Dry flat with p 220 - p 320 sandpaper (3 M 255 P Gold) or wet flat with p 400 sandpaper (3 M 734 Black). Polyester putty: Dry flat with p 120 - p 220 sandpaper (3 M 255 P Gold) or wet flat with p 220 - p 320 sandpaper ( 3 M 734 Black ). Bare steel surface: Degrease and abrade with p 120 – p 220 sandpaper (3 M 734 Black).

D- Foundations : 1 - Numix Adhesion Promoter Polyolefin resins For Plastic car body parts Mixing Ratio : Ready to use 2. 5 - 5 Microns dry film thickness

2 - Wash Primer 2 K 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 2 K Filler

3 - Numix 2 K Primer Acrylic Hydroxide cross linking with Isocyanate For existing finish, wash primer, polyester putties & bare steel surface. Pot life : 2 hours 120 -140 microns dry film thickness Mixing Ratio Mix 4: 1 with Numix Hardener MS 25 -30% Numix Thinner 2 K Spray viscosity 18 -20 s/DIN 4 mm/20°C Air dry overnight/20°C or 30 min /60°C panel temperature Wet Sand with P 500 -P 1000 Over coat : Numix Top Coat or Base Coat

Mixing Ratio 4 - Numix 1 K Primer Mix with 30 -35% Numix Thinner 2 K Spray viscosity Acrylic Base For existing finish, wash primer, polyester putties & bare steel surface. 18 -20 s/DIN 4 mm/20°C Air Dry ~30 -60 min /20°C depending on film thickness Wet Sand with P 600 -P 800 Overcoat Numix Basecoat or Topcoat

Mixing Ratio Mix with 2 -3% Hardener paste 5 - Polyester Putty 2 K 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. 100 -500 microns thickness. dry film Apply Stopper Air Dry 15 -20 min/20°C Sand Paper Coarse Sand P 80 -P 120 Fine Sand P 180 -P 240 Overcoat Numix Primers

Surface Primer 1 K or 2 K one single coat Primer 2 K Preparation : P 320 -P 500(Dry) Mixing Ratio : 4: 1 Application : 2 single Coats Drying Time : 24 hours 20ºC Top Coat 2 K Preparation : P 400/P 500(dry) P 800/P 1000(Wet) Mixing Ratio : 100: 50: 30 Application : 2 single Coats Drying Time : 30 minutes 60ºC Primer 1 K Preparation p 320 p 500 dry OR mixing ratio : 3: 1 thinner Application : 2 single coats Drying time : 24 hours 20 c Base Coat 1 K Preparation : P 400/P 500(Dry) P 800/P 1000(Wet) Mixing Ratio : 100 Application : 2 -3 single Coats Drying Time : 15 -20 min. 20ºC Top or Time Putty Preparation : P 120/P 220 (Dry) Mixing Ratio : 100 : Drying Time : 15 min. 20ºC. Clear Coat HS Clear Coat 2 K Mixing Ratio : 100: 50: 30 Application : 2 single Coats Drying Time : 30 mint. 60ºC OR Mixing Ratio : ? ? ? Application : 2 single Coats Drying Time : ? ? ?

Tools & Equipments Examples of recommended 4 Sata RP = 1, 2 mm - 1, 3 mm nozzle HVLP 2000 = WSB nozzle 4 De Vilbiss GTI / cup 110 = 1, 2 - 1, 3 mm nozzle

Spray Guns HVLP or conventional guns are suitable 4 Stainless Steel fluid needles required 4 4 Recommended HVLP guns SATA Jet / NR 95 / NR 2000 Devilbiss JGA / GTI