HUMISEAL HumiSeal Thinner T521 EU (5-LTR-CAN)

HumiSeal® Thinner 521 EU

Overview

HumiSeal® Thinner 521 EU is a specially formulated solvent blend designed to adjust the viscosity of compatible HumiSeal® conformal coatings for application requirements. It maintains the original coating system balance and is formulated specifically for European Union markets, complying with the RoHS Directive 2011/65/EU.

Key Technical Specs

• Product Type: Conformal coating thinner / viscosity reducer
• Colour: Clear
• Specific Gravity: 0.86 ± 0.01
• Relative Evaporation Rate (BuAc = 1): 0.60
• Boiling Point: 137-140°C
• Vapour Pressure: 18.0 mmHg
• Vapour Density (Air = 1): 3.6
• Flash Point: 30°C (TCC)
• VOC Content: 860 g/L
• Shelf Life: 24 months

Compatible HumiSeal® Coatings

• HumiSeal® 1A20
• HumiSeal® 1A27
• HumiSeal® 1A33
• HumiSeal® 1B31
• HumiSeal® 1B66
• HumiSeal® 1B73
• HumiSeal® 1R32

Typical Applications

• Adjustment of conformal coating viscosity before application
• Optimising spray, brush, or dip coating processes
• Maintaining correct coating performance and finish quality
• Electronic and aerospace coating applications

Application Guidelines

• Add HumiSeal® Thinner 521 EU gradually to compatible coatings
• Mix until the required application viscosity is achieved
• Use only with approved HumiSeal® coating systems
• Follow coating manufacturer recommendations for dilution levels

Compatibility & Safety Notes

• Highly flammable solvent system
• Use only in well-ventilated areas
• Wear protective gloves and safety goggles during handling
• Avoid prolonged exposure to vapours
• Wash skin with water after prolonged contact
• Flush eyes with water and seek medical advice if contact occurs
• Dispose of unused material according to local regulations
• Refer to Safety Data Sheet (SDS) before use

Regulatory Compliance

• Formulated for European Union requirements
• Compliant with RoHS Directive 2011/65/EU

Packaging & Storage

• Shelf life: 24 months from date of manufacture
• Store in accordance with flammable liquid regulations
• Keep containers tightly closed when not in use

Why This Product is Chosen for AOG / MRO

• Provides controlled viscosity adjustment for conformal coatings
• Maintains coating system performance and reliability
• Supports consistent application quality during maintenance operations
• Approved for use with established HumiSeal aerospace coating systems

Practical Suggestions for Your Team (AOG Mindset)

• Confirm coating compatibility before adding thinner
• Add thinner gradually to prevent over-reduction
• Ensure adequate ventilation during application
• Maintain proper storage controls due to flammability

Manufacturer / Product Codes

• Product Name: HumiSeal® Thinner 521 EU
• Product Type: Solvent thinner for conformal coatings
• Technical Data Sheet Reference: 19417
• Manufacturer: HumiSeal® / Chase Corporation