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The Montana Big Sky® Automotive Finishes product line offers an extensive selection of coatings that feature the high-tech, user-friendly performance and competitive value desired by today's professional refinishers.
A standard of utmost quality is designed into each formula as well as the manufacturing process of each product. Based on the many years of repeat business with satisfied customers, the Big Sky® Automotive Finishes brand has a history of uncompromised quality and proven product performance.
 
 
 
     
   
 
 
     
Montana® UNDERCOATS
Montana Big Sky® Automotive Refinishing Product Line includes an extensive selection of undercoats that are manufactured with the highest quality materials available from the largest chemical suppliers in the world. They offer the fill, sandability and durability that professional refinshers desire.
 
 
   
2.1 VOC Acrylic Primer Surfacer EZ211™ Gray / EZ213™ Black :
This California Compliant Acrylic Primer/Surfacer offers low 2.1 VOC, high build, fast dry times, and easy sanding to a fine featheredge. Montana's 2.1 VOC Acrylic Primer/Surfacer has good color holdout, minimal shrinkage, flexibility, and good adhesion to properly prepared substrates. (Mix 1:1-1-1/4)
Tech Sheet # 2011 MSDS # 9 (Primer)
 
   
Acrylic Primer Surfacer EZ543™ Gray / EZ545™
Black EZ-Fill™ :
EZ-FILL™ Acrylic Primer Surfacer is formulated from a newly developed and advanced resin technology that provides superior adhesion to metal and a variety of substrates while giving good fill. Both primer surfacers offer faster dry times with easier sanding while maintaining better color holdout and superior performance characteristics compared to all acrylic primer surfacers in their class. (Mix 1:1:1-1/4)
Tech Sheet # 2009 MSDS # 9 (Primer)
 
 
   
2K High Build Urethane Primer EZ601A™ Gray / EZ603A™
Black EZ-Build™ :
EZ601A™ (Gray) and EZ603A™ (Black) EZ-Build™ are quality two-component urethane primer/surfacers designed to provide quick build for filling repair areas. These 2K primer/surfacers offer fast dry times with easier sanding, while maintaining very good color hold out and gloss retention. (Mix 4:1:1)
Tech Sheet # 2010 MSDS # 9 (Primer)
   
MSDS # 6 (Activator)
 
   
Viper Grip II™ Metal Etch Primer PS3008™ Green:
Viper Grip II™ Metal Etch Primer is a non-induction, chromate-free, metal pre-treatment which provides a fast drying barrier coat that etches bare metal substrates preparing them for additional topcoats. It maximizes the adhesion properties to properly prepared steel, aluminum, and galvanized metal. Viper Grip II™ offers very good corrosion protection with moderate filling properties. (Mix 1:1)
Tech Sheet # 1078 MSDS # 9 (Primer)
   
MSDS # 9 (Converter)
 
   
Epoxy Prime™ Primer/Sealer PS3042™ Lt. Gray / PS3044™
Dk. Gray / PS3045™ Black :
Epoxy Prime™ is a two-component, chromate-free epoxy primer that provides optimum adhesion with excellent corrosion protection. This epoxy primer is designed for use as a medium fill primer or may also be used as a sealer prior to topcoating. Epoxy Prime™ can be applied to most substrates to ensure corrosion resistance, chemical resistance, and color holdout. (Multiple Mix Ratios)
Tech Sheet # 3008 MSDS # 9 (Primer)
   

MSDS # 6 (Activator)
 
   
Performa-Seal™ 2K Urethane Sealer PS3051™ White / PS3053™ Gray / PS3055™ Black :
Performa-Seal™ is a non-sanding acrylic urethane sealer that applies smoothly and maintains superior color and gloss retention for high quality finishes. Performa-Seal™ allows for increased inter-coat adhesion while providing a uniform ground coat over repairs. All 3 shades of sealer may be intermixed to provide the painter with a variety of gray shades. (Mix 4:1:1)
Tech Sheet # 1083 MSDS # 9 (Primer)
   
MSDS # 6 (Activator)
 
   
Super Prime™ DTM Primer/Surfacer PS3121™ White / PS3123™ Gray / PS3125™ Black :
Super Prime™ is a non-isocyanate, chromate-free, direct-to-metal primer/sealer/surfacer that provides optimum adhesion with excellent corrosion protection on bare metal and OEM substrates. DTM is designed for use as a medium or high build primer-surfacer that can be easily sanded by hand or machine. (Multiple Mix Ratios)
Tech Sheet # 1060 MSDS # 9 (Primer)
   
MSDS # 6 (Activator)
 
   

Hydro-Prime™ Waterborne Plastic Primer PS3305™ Black :
Hydro-Prime™ Waterborne Plastic Primer is a uniquely developed, high build primer surfacer, designed for use by bumper recycling and refinishing professionals. PS3305™ is quick drying with easy sanding. Improved resin technology provides excellent gloss holdout for basecoat/clearcoat and single stage topcoat systems. (Ready-to-Spray)
Tech Sheet # 1077 MSDS # 33 (Primer)
 
   
2K Urethane Primer PS5008A™ Beige / PS5009A™ Gray :
These versatile two component urethane primers offer high film build, quick and easy sanding, and excellent color holdout. When applied properly, these primers do not shrink. PS5008A™ / PS5009A™ are tintable and can be used as a primer surfacer and a sealer. (Mix 4:1:15%)
Tech Sheet # 1012 MSDS # 9 (Primer)
   
MSDS # 6 (Activator)
 
   
2.1 VOC 2K Urethane Primer PS5012A™ Gray :
Our 2.1 VOC two component urethane primer meets the strictest VOC regulations. This primer is designed to provide high film build, ease of sanding, and excellent color holdout. PS5012A™ is tintable, chromate-free, and can be used as a primer surfacer and a sealer. (Mix 4:1)
Tech Sheet # 1000 MSDS # 9 (Primer)
   
MSDS # 6 (Activator)
 
   
1K Metal Etch Primer PS5620™ Gray :
PS5620™ 1K Metal Etch Primer is a pre-treatment metal etch that provides a fast drying barrier coat to maximize adhesion properties to properly prepared steel, aluminum, and galvanized metal. (Mix 2:1)
Tech Sheet # 2012 MSDS # 9 (Primer)
 
   
1K Aerosol Metal Etch Primer (Gray) SA5620™ :
SA5620™ Aerosol 1K Metal Etch Primer (Gray) is a pre-treatment metal etch primer that provides a fast drying barrier coat to maximize the adhesion properties to properly prepared steel, aluminum, and galvanized metal. Use to prime small areas or sand throughs prior to topcoating. Compatible with all of today's automotive and fleet finishes.
Tech Sheet # 1070 MSDS # 11 (Primer)
 
   
2.1 VOC Fleet Epoxy Acrylic Urethane Hybrid Primer
SFE1122™ (Red) Epic Prime™:
EPIC PRIME™ is a high-build DTM primer/sealer designed to be applied to many substrates. EPIC PRIME™ provides excellent adhesion like an epoxy, and fill and fast dry times like a urethane. While created as a non-sanding primer/sealer, EPIC sands easily and provides excellent color holdout. Recommended for use under single stage colors only. (Multiple Mix Ratios)
Tech Sheet # 3005 MSDS # 1000 (Primer)
   
MSDS # 1003 (Activator)
 
DISCLAIMER:PPG®, Deltron®, Delfleet®, Delta®, Concept®, Delstar®, and Ditzco® are registered trademarks of PPG Industries. PPG Industries does not manufacture our products. DuPont® AND™, Imron®, Centari®, and Dulux® are registered trademarks of E.I. Pont de Nemours and Company. DuPont® does not manufacture our products.