Thinner 521 is: 

  • Compatible with HumiSeal 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, 1B51 and 1R32
  • RoHS directive 2015/863/EU

Thinner 521 has:

  • flammable ingredients

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.
Product Specification
Compatible Coating 1A20, 1A27, 1A33, 1B311B66, 1B73, 1R32
Relative Evaporating Rate (BuAc =1) 0.60
Specific Gravity 0.87 ± 0.01
Boiling Point (°C) 137
Vapor Pressure (mmHg) 19.4
Vapor Density (Air=1) 3.6
Flash Point (°C) 27
VOC (grams/litre) 868
Shelf Life (DOM) 24 months
Colour Clear