User manual | x Priomat 1K Primer Surfacer 4085 Dark Gray

Technical Data Sheet – 300.8
Priomat®
1K Primer Surfacer 4085
GENERAL
DESCRIPTION
Priomat® 1K Primer Surfacer 4085 is a zinc chromate-free one component product from our
“PVB-system”. It is recommended for cars requiring wet-on-wet finishes on small areas or
finishes with intermediate sanding. Because of its good adhesion and corrosion protection,
this primer surfacer is easy and reliable in application. Priomat® 1K Primer Surfacer 4085
may also be used as a weld-through primer.
Both a sprayable and aerosol version of Priomat® 1K Primer Surfacer 4085 are available in
light gray and dark gray.
The products referenced herein may not be available for sale in your market. Please
consult your distributor for product availability.
MIXING
COMPONENTS
Priomat® 1K Primer Surfacer 4085
REDUCERS
Permacron® Dura Plus 8580,
Permacron® Reducer 3363 Medium, or
Permacron® Reducer 3365 Slow
For optimum reducer selection, refer to TDS # 780.0
MIX RATIO
Component
4085
8580 / 3363 / 3365
Volume
1
+50%
APPLICATION VISCOSITY
18 - 20 seconds at 68°F/20°C, DIN 4
POT LIFE
Unlimited (in a sealed container)
SPECIAL TIPS
1. 0.3 mil dry film thickness is necessary for adequate corrosion resistance.
2. All traces of rust must be removed before applying Priomat® 1K Primer Surfacer 4085.
3. Do not recoat with polyester or epoxy products.
4. Do not use on reversible finishes.
5. We recommend the following three stage system:
a. Prime with Priomat® Primer 4085
b. Apply 2K Permasolid® Surfacer
c. Apply Topcoat
6. Metal substrates must be primed within one half hour of sanding or re-sanding is
required.
7. *Priomat® 1K Primer Surfacer 4085 can be top-coated directly on small areas
such as sand-throughs.
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Technical Data Sheet – 300.8
APPLICATION
SUBSTRATES
Sanded Bare Steel
Sanded Galvanized (cut-through)
Sanded Aluminum (cut-through)
Sanded E-Coat
Original or old paintwork (except reversible substrates, Example: lacquer)
SURFACE PREPARATION

Degrease and sand.

Before further treatment, clean all substrates thoroughly with Permaloid Silicone
Removers 7087 or 7010 Slow, Permahyd Silicone Remover 7085, or Permahyd
Silicone Remover 7096.
SPRAYGUN SETUP
HVLP
Approved Transfer Efficiency
1.3-1.4mm
1.2-1.3mm
Please refer to gun manufacturer and local legislation for proper spray pressure
recommendations.
APPLICATION
 Option 1: Apply 1 medium coat followed by 1 full coat without intermediate flash-off.
 Option 2: Apply 2 coats with approximately 5 minutes intermediate flash-off between
coats.
RECOMMENDED FILM THICKNESS
1.5 coats for 0.7 – 1.0 mil dry film thickness
2 coats for 1.1 – 2.0 mil dry film thickness
DRY TIMES
AIR DRYING
Drying time at 68°F/20°C:
10-15 minutes to max. 2 hours
(Depending on reducer selected)
Dry to Sand:
45-60 minutes
DRY SANDING
Initial sanding:
Final sanding:
P320
P500 – 800
WET SANDING
Initial sanding:
Final sanding:
P320
P600 – 800
RECOAT
With Permasolid® Surfacers
PHYSICAL PROPERTIES
Coating Category: Primer
Max. VOC (AP): 738 g/l; 6.2 lbs/gal
Max. VOC (LE): 741 g/l; 6.2 lbs/gal
Avg. Gallon Weight: 1017.6 g/l; 8.5 lbs/gal
Avg. Weight % Volatiles: 72.9 %
Avg. Weight % Water: 0.4%
Avg. Weight % Exempt Solvent: 0.0%
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Technical Data Sheet – 300.8
Avg. Volume % Water: 0.4%
Avg. Volume % Exempt Solvent: 0.0%
Theoretical Coverage: 208.6 sq. ft. @ 1 mil
Theoretical Coverage @ Recommended Film Build: 104 - 297 sq. ft.
VOC REGULATED AREAS
These directions refer to the use of products which may be restricted or require special
mixing instructions in VOC regulated areas. Follow mixing usage and recommendations in
the VOC Compliant Products Chart for your area.
SAFETY AND HANDLING
For industrial use only by professional, trained painters. Not for sale to or use by the general
public. Before using, read and follow all label and MSDS precautions. If mixed with other
components, mixture will have hazards of all components.
Ready to use paint materials containing isocyanates can cause irritation of the respiratory
organs and hypersensitive reactions. Asthma sufferers, those with allergies and anyone with
a history of respiratory complaints must not be asked to work with products containing
isocyanates.
Do not sand, flame cut, braze or weld dry coating without a NIOSH approved air purifying
respirator with particulate filters or appropriate ventilation, and gloves.
Any analytical results set forth herein do not constitute a warranty of specific product
features or of the product’s suitability for a specific purpose. All products are sold pursuant
to our general conditions of sale. We hereby disclaim all warranties and representations,
express or implied, with respect to this product, including any warranty of merchantability or
fitness for a particular purpose. This product is protected by patent law, trademark law,
copyright law, international treaties and/or other applicable law. All rights reserved.
Unauthorized sale, manufacturing or use may result in civil and criminal penalties.
Revised: April 2016
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©2014, 2016 Axalta Coating Systems, LLC and all affiliates. All rights reserved.

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