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COMSTAR 90-500 Refrigeration System Flush Solvent, 1 gal Bottle, Clear Liquid - Refrigeration System Flush Solvents
COMSTARRefrigeration System Flush Solvents

COMSTAR 90-500 Refrigeration System Flush Solvent, 1 gal Bottle, Clear Liquid

The COMSTAR Internal Refrigeration Coil System Cleaner is a liquid, clear, non-flammable acid neutralizer supplied in a 1-gallon bottle with a measured pour jug. Designed for use with alkylbenzene lubricants and R-11…

SKU 3G-OTH-66833

Also listed as: 90500 · 90 500

Brand
COMSTAR
Item
90-500 Refrigeration System Flush Solvent, 1 gal Bottle, Clear Liquid
Part Number
90-500
Category
Refrigeration System Flush Solvents
Available to Order
Also known as:90-500COMSTAR
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

COMSTAR
Manufacturer Part Number
90-500
Form
Liquid
Includes
Measured Pour Jug
Fluid Color
Clear
Flammability
Non-Flammable
Product Type
Acid Neutralizer
Container Type
Bottle
For Lubricant Type
Alkylbenzene
For Refrigerant Type
R-11
For Refrigerant Group
CFC

Technical Documents

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COMSTAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The COMSTAR Internal Refrigeration Coil System Cleaner is a liquid, clear, non-flammable acid neutralizer supplied in a 1-gallon bottle with a measured pour jug. Designed for use with alkylbenzene lubricants and R-11 refrigerant in the CFC refrigerant group, this product is a refrigeration system flush solvent (MPN 90-500).

Frequently Asked Questions

What is COMSTAR Internal Refrigeration Coil System Cleaner used for?

COMSTAR Internal Refrigeration Coil System Cleaner is a liquid acid neutralizer used to flush refrigeration systems. It is designed for use with alkylbenzene lubricants and R-11 refrigerant in the CFC group, helping remove contaminants and restore system efficiency.

What are the specifications of COMSTAR 90-500 refrigeration coil cleaner?

The COMSTAR 90-500 is a 1-gallon bottle of clear, non-flammable liquid acid neutralizer. It includes a measured pour jug, is formulated for alkylbenzene lubricants and R-11 refrigerant in the CFC group, and is supplied as a refrigeration system flush solvent.

Where to buy COMSTAR 90-500 refrigeration system flush solvent worldwide?

You can source COMSTAR 90-500 refrigeration system flush solvent worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to use COMSTAR internal refrigeration coil system cleaner?

To use COMSTAR internal refrigeration coil system cleaner, first isolate the system and recover refrigerant. Then flush the coils with the liquid acid neutralizer using the measured pour jug, following standard refrigeration service practices. Always wear appropriate PPE and dispose of waste per local regulations.

Used in

Common applications for COMSTAR
Commercial refrigeration — COMSTAR ISO-32 polyol ester oil (e.g., part 45-007) for compressors using R-32 refrigerant in supermarket display cases and walk-in coolers.
Industrial refrigeration — COMSTAR ISO-68 polyol ester oil (e.g., part 45-010) for lubricating compressors in large cold storage and process cooling systems with HFC refrigerants.
HVAC service — COMSTAR ISO-32 oil in 1-quart containers (e.g., part 45-019) for field maintenance and oil changes in residential and light commercial air conditioning units.
Gas leak detection — COMSTAR leak detection fluid (part 90-210) for checking pressurized piping, valves, and fittings in industrial gas systems and refrigeration circuits.
Bulk system charging — COMSTAR ISO-32 oil in 55-gallon drums (e.g., part 45-009) for initial fill or large-volume oil replacement in industrial refrigeration plants.
A2L refrigerant systems — COMSTAR ISO-32 polyol ester oil (e.g., part 45-008) for compressors in equipment designed for mildly flammable A2L refrigerants, including R-32.
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COMSTAR Products

3G Electric supplies COMSTAR refrigeration system flush solvents. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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