Thinner 789

HumiSeal® Thinner 789 has been specially developed as a diluent for solvent-based conformal coating products. It is suitable for use with certain Acrylic, Polyurethane and Synthetic Rubber products

Thinner 789 is: 

  • Xylene, Toluene and Ethyl Benzene free.
  • Very low aromatic hydrocarbon content providing toxicity hazards in use
  • Low odors in use
  • Provides good surface appearance and low bubble entrapment conformal coatings.
  • Good compatibility with various coating types
  • Evaporation rate and drying times similar to Thinner 521/521EU

Humiseal® Thinner 789contains no Xylene or Toluene.


Directions for Use

Add HumiSeal® Thinner to a compatible coating until the desired viscosity is obtained.

Handling Precautions

HumiSeal® Thinners are flammable and the following standard safety precautions should be observed:

  • Use only in well-ventilated areas.
  • Protective gloves and goggles should be worn.
  • In case of prolonged skin contact, wash with water.
  • In case of eye contact, flush with water and contact physician.
  • Avoid prolonged breathing of vapors.
  • Unused portions of HumiSeal® products must be disposed of in strict compliance with Local, State, and Federal laws governing such matters.
  • Consult the Material Safety Data Sheet (MSDS/SDS) for more specific product information.

Properties of HumiSeal® Thinner 789

Compatible Coatings 1A27, 1A33, 1B31, 1B66, 1R32, 1B51
Relative Evaporating Rate (BuAc =1) 0.5
Specific Gravity 0.75 ± 0.01
Boiling Point (°C) 140-165
Vapor Pressure (mmHg) 1.3
Flash Point (°C) 26
VOC (grams/litre) 750
Shelf Life (DOM) 24 months
Colour Clear
Contact Us