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HumiSeal® Thinner 521 Standard Solvent Based Thinners – Thinner – Viscosity Adjustment for Coatings

– Item Name: HumiSeal® Standard Solvent Based Thinners
– Manufacturer: HumiSeal
– Technologies: Solvent-based thinners for viscosity adjustment of HumiSeal® coatings
– Color: Clear
– Cure Type: Not applicable
– Package Size: Contact to Techniq VN for details.
– Shelf Life: 24 months

1. Product Overview

HumiSeal® Standard Solvent-Based Thinners are specially formulated solvent blends designed to adjust the viscosity of HumiSeal® conformal coatings while maintaining the original system balance. These thinners ensure consistent application performance across different coating methods and are fully compliant with RoHS Directive 2002/95/EC.


2. Applications

  • Used to reduce the viscosity of compatible HumiSeal® conformal coatings
  • Suitable for dipping, spraying, and brushing application methods
  • Helps maintain coating uniformity and film integrity
  • Compatible with various HumiSeal® coatings for electronics protection

3. Typical Properties

Before Mixing (As Supplied)

Property Thinner 64 Thinner 73 Thinner 503 Thinner 505 Thinner 521 Thinner 535
Compatible Coatings 2A64 1B73 1B12, 1B31, 1B66, 1B73 1R32, 1R32A-2 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, 1R32 2A53
Relative Evaporating Rate (BuAc=1) 0.89 1.0 3.77 1.65 0.60 1.50
Specific Gravity 0.95 ± 0.01 0.88 ± 0.01 0.85 ± 0.01 0.83 ± 0.01 0.87 ± 0.01 0.87 ± 0.01
Boiling Point (°C) 110 127 82 117 137 110
Vapor Pressure (mmHg) 9.1 8.0 45.4 15 19.4 45.4
Vapor Density (Air=1) 3.4 4.0 4.0 3.5 3.6 4.0
Flash Point (°C) TCC 5 27 -1 14 27 5
VOC (g/L) 950 882 850 830 868 868
Shelf Life 24 months 24 months 24 months 24 months 24 months 24 months
Color Clear Clear Clear Clear Clear Clear

Directions for Use

  • Add HumiSeal® Thinner to a compatible coating until the desired viscosity is achieved.
  • Ensure proper mixing for uniform application.

Handling Precautions

  • Use only in well-ventilated areas.
  • Wear protective gloves and goggles.
  • Avoid prolonged skin and eye contact.
  • Dispose of unused portions in compliance with local regulations.

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