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Von Roll/John C Dolph Synthite® Dolph-Spray® ER-41 Air-Drying Varnish, 20 oz, Red

ID: DOLER41 Mfr ID: DOLER41
Manufactured by: Von Roll / John C Dolph
Von Roll/John C Dolph Synthite® Dolph-Spray® ER-41 Air-Drying Varnish, Room Temperature Cure Type, 1800 V/Mil (Dry), 1200 V/Mil (Wet) Dielectric Strength, 10 - 30 min Dry Time, 81 deg F Flash Point, 10 - 30 min At 77 deg F Full Cure Time, 155 deg C Temperature Rating, 200 - 350 CP At 25 deg C Viscosity, 4.4 lb/gal VOC.
Special Handling Required



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USD $22.52 / EA

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1-11 $22.52 / EA
12-35 $16.56 / EA
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  • Brand name :  Von Roll John C Dolph
  • Trade Name :  Synthite® Dolph-Spray®
  • Series :  Synthite® Dolph-Spray® ER-41
  • Item Name :  Varnish
  • Short Desc :  VARNISH,ER-41 POLYURETHANE 20-OZ CAN RED
  • UNSPSC :  31211707

ER-41 is a high-temperature, fast cure, air dry, polyurethane varnish, and is an excellent insulator coating for all electrical and electronic parts. Synthite® ER-41 is also available in aerosol as Dolph - Spray® ER-41.

Performance Details
Dry Time 10  min
Full Cure Time 10 - 30 min at 77 deg F 
Design & Construction
Color Red 
Cure Type Room Temperature 
General Features
Shelf Life 12 Months (Bulk), 18 Months (Spray) 
Type Air-Drying 
Environmental Condition
Flash Point 81  deg F
Temperature Rating 155  deg C
Electrical Properties
Dielectric Strength 1800  V/Mil
Chemical Properties
Viscosity 200  cP
VOC 4.4  lb/gal
Physical Properties
Container Size 20  oz
Container Type Can 

Von Roll/John C Dolph Synthite® Dolph-Spray® ER-41 Air-Drying Varnish, 20 oz, Red Safety Data Sheet (SDS) 

Von Roll/John C Dolph Synthite® Dolph-Spray® ER-41 Air-Drying Varnish, 20 oz, Red Brochure 

Von Roll/John C Dolph Synthite® Dolph-Spray® ER-41 Air-Drying Varnish, 20 oz, Red Technical Data Sheet 

Features :

  • High-temperature, fast cure, air dry, polyurethane varnish, and is an excellent insulator coating for all electrical and electronic parts
  • Fast drying
  • Excellent chemical resistance
  • Excellent hiding power for rebuilding and manufacturing applications
  • Oil and moisture resistant
  • Superior abrasion resistance
  • Excellent adhesion
  • Dielectric Strength: 1800 V/Mil (Dry), 1200 V/Mil (Wet)
  • Viscosity: 200 - 350 CP at 25 deg C
  • Dry Time: 10 - 30 min
  • Viscosity: 200 - 350 cP

Applications :

  • For Field Coils, Control Coils, Motor Frames, Switch Bases, Molded Bakelite, Electrical Connectors, Collector Rings, Fuse Tubes, Solenoid Coils, Controller Shafts, Printed Circuit Boards, Commutator Ends, Bus Bars, Oil Reservoir Interior