MapleChem® HVAC-Shield 50 (Inhibited)
Category: HVAC & Refrigeration
SKU: MC-HVAC-302
CAS Registry: Mixture (57-55-6 + proprietary inhibitors)
Product Overview
MapleChem® HVAC-Shield 50 (Inhibited) is a ready-to-use 50/50 inhibited industrial propylene glycol-based heat transfer fluid designed for closed-loop HVAC, refrigeration, and industrial cooling systems. It is formulated with a corrosion inhibitor package to provide reliable freeze protection and corrosion control for compatible system metals. The factory-controlled formulation provides consistent thermal performance while reducing field blending requirements.
Technical Parameters
- Chemical Base: Propylene Glycol / Water Solution
- Glycol Concentration: 50% ±2%
- Chemical Name: Inhibited Propylene Glycol Heat Transfer Fluid
- CAS Number: Mixture (57-55-6 + proprietary inhibitors)
- Appearance: Clear liquid
- Color: Clear to slightly tinted liquid
- Odor: Mild characteristic odor
- pH: 9.5 – 10.5
- Specific Gravity @20°C: Approx. 1.04 – 1.06
- Density @20°C: Approx. 1.05 g/cm³
- Water Solubility: Completely miscible
- Freeze Protection: Approx. -35°C (-31°F)
- Boiling Point: Approx. 104°C
- Flash Point: Not readily flammable in aqueous solution
- Inhibitor Package: Proprietary corrosion inhibitor system
- Recommended Application: Closed-loop HVAC, refrigeration, and industrial cooling
- Operating Temperature Range: -35°C to 120°C (system dependent)
- Thermal Conductivity @20°C: Approx. 0.38 W/m·K
- Specific Heat @20°C: Approx. 3.6 kJ/kg·K
- Viscosity @20°C: Approx. 4.0–6.0 cSt
- Corrosion Protection: Excellent multi-metal protection
- Aluminum Compatibility: Compatible (inhibited protection)
- Copper Compatibility: Compatible (inhibited protection)
- Steel Compatibility: Compatible (inhibited protection)
- Cast Iron Compatibility: Compatible (inhibited protection)
- Reserve Alkalinity (optional): Min. 10.0 mL
- Service Life (optional): Extended life (~5 years with regular testing)
- sdsUrl: /documents/hvac-and-refrigeration/maplechem--hvac-shield-50--inhibited--sds-1785103580951.pdf