Wintrol® B-20EG – 20% Benzotriazole in Ethylene Glycol

Wintrol® B-20EG is a 20% benzotriazole solution in ethylene glycol. This solution is a corrosion inhibitor most commonly used for yellow metal protection. This liquid blend provides easier product handling.

Industrial Uses Include:

  • Direct Treatment of Copper
  • Copper Parts
  • Copper Wire
  • Printed Circuit Boards
  • Metalworking Fluids
  • Lubricants
  • Inks
  • Cleaners

Benzotriazole in Glycols

Product Code:  30BT20EG


Active Benzotriazole %:  19.6 – 20.6%
Ethylene Glycol:  79.4 – 80.4%
Visual Appearance:  Clear to Light Yellow Liquid
Color:  Colorless to Pale Yellow
Odor:  Slightly Sweet
Solubility in Water:  Miscible


5 Gallon Carboys:  50 lbs.
55 Gallon Drums:  500 lbs.
375 Gallon Totes:  2,500 lbs.

Personal Safety

Caution: Avoid exposure to eyes, skin or clothing. Good personal hygiene and housekeeping should be followed when handling this product. Refer to SDS for handling, exposure and cleanup information.

Shipping and Storage

Store in cool, dry, ventilated area away from any heat source. Keep container tightly closed and in upright position when not in use. Ensure measures against the build-up of electrostatic charges.