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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

<p>The COMSTAR 90-500 Refrigeration System Flush Solvent is a clear, non-flammable liquid designed for flushing CFC refrigerant systems, specifically those using R-11 and alkylbenzene lubricants. Supplied in a…

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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

<p>The COMSTAR 90-500 Refrigeration System Flush Solvent is a clear, non-flammable liquid designed for flushing CFC refrigerant systems, specifically those using R-11 and alkylbenzene lubricants. Supplied in a 1-gallon bottle with a measured pour jug for precise application, this acid neutralizer helps prepare systems for maintenance or conversion.</p><p>Ideal for HVAC and refrigeration technicians, this solvent ensures thorough cleaning without leaving residues. For Singapore buyers, 3G Electric offers SGD quotes on request, handles GST for local orders, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What refrigerant and lubricant types is the COMSTAR 90-500 compatible with?

According to the specifications, it is for use with R-11 refrigerant (CFC group) and alkylbenzene lubricants.

Is the COMSTAR 90-500 flammable?

No, it is non-flammable. It comes in a 1-gallon bottle with a measured pour jug.

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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