HUMISEAL HumiSeal Thinner T904 (1-LTR-CAN)

HumiSeal® 900 Series Thinners

Overview

HumiSeal® 900 Series Thinners are specially formulated solvent blends designed to adjust the viscosity of compatible HumiSeal® conformal coatings for improved application performance. These thinners maintain the original coating system balance when used with the correct HumiSeal® products and are fully compliant with RoHS Directive 2002/95/EC.

Key Technical Specs

• Product Type: Solvent-based coating thinners
• Compatible Coatings: HumiSeal® 1B51NS and 1B51NSLU
• Available Grades: Thinner 903, 904, and 905
• Colour: Clear
• Shelf Life: 24 months from date of manufacture
• VOC Content:
  • 903: 775 g/L
  • 904: 770 g/L
  • 905: 770 g/L

Technical Properties

• Thinner 903:
  • Specific Gravity: 0.78 ± 0.01
  • Boiling Point: 115°C
  • Vapour Pressure: 34.0 mmHg
  • Vapour Density: 3.7 (Air = 1)
  • Flash Point: -1°C
  • Relative Evaporation Rate: >1 (BuAc = 1)
• Thinner 904:
  • Specific Gravity: 0.77 ± 0.03
  • Boiling Point: 110°C
  • Vapour Pressure: 2.8 mmHg
  • Vapour Density: 4.0 (Air = 1)
  • Flash Point: -6°C
  • Relative Evaporation Rate: >1 (BuAc = 1)
• Thinner 905:
  • Specific Gravity: 0.77 ± 0.01
  • Boiling Point: 101°C
  • Vapour Pressure: 2.8 mmHg
  • Vapour Density: 4.0 (Air = 1)
  • Flash Point: -6°C
  • Relative Evaporation Rate: 3.00 (BuAc = 1)

Typical Applications

• Viscosity adjustment of HumiSeal® conformal coatings
• Optimising spray, brush, or application consistency
• Maintaining coating performance and system balance
• Aerospace, electronics, and protective coating applications

Application Guidelines

• Add the appropriate HumiSeal® Thinner to compatible coating systems
• Adjust gradually until the required application viscosity is achieved
• Use only the recommended thinner for the specific HumiSeal® coating

Compatibility & Safety Notes

• Highly flammable solvent products
• Use only in well-ventilated areas
• Wear suitable protective gloves and safety goggles
• Avoid prolonged inhalation of vapours
• Wash exposed skin with water after prolonged contact
• Flush eyes with water and seek medical attention if contact occurs
• Dispose of unused product according to local regulations
• Refer to SDS/MSDS before use

Packaging & Storage

• Shelf Life: 24 months
• Store in accordance with flammable liquid regulations
• Keep containers sealed when not in use

Why This Product is Chosen for Aerospace / Electronics Applications

• Provides controlled viscosity adjustment without compromising coating performance
• Maintains original HumiSeal® coating properties
• Supports consistent application quality
• RoHS compliant formulation suitable for modern manufacturing environments

Practical Suggestions for Your Team

• Select the correct thinner grade based on coating requirements and application method
• Add thinner gradually to avoid over-reduction
• Maintain good ventilation due to solvent vapours
• Store and handle as a flammable solvent product

Manufacturer / Product Codes

• Product Family: HumiSeal® 900 Series Thinners
• Products: Thinner 903 / 904 / 905
• Compatible Coatings: HumiSeal® 1B51NS and 1B51NSLU
• Manufacturer: HumiSeal® / Chase Corporation