National Chemicals - Great Chemistry! Great Results
National Chemicals offers a complete range of coil cleaners to match any application — from powerful alkaline degreasers to eco-friendly neutral pH formulas safe for micro-channel coils. All major formulas are NSF registered and many carry OEM approval for micro-channel coils.
* NSF Registered * EPA Safer Choice * OEM Approved *Professional Grade * GHS Compliant
Coil Cleaners
KLEENFOAM
Top Seller Powerful, high foaming alkaline coil cleaner and degreaser. Cleaning and brightening performance comparable to acid-based cleaners without the danger of hydrofluoric acid. NSF registered. For professional/industrial use only.
- Available in 1 gallon, 2.5 gallon, and 55 gallon drum
- Alkaline formula — pH 13.25–13.60
- 5–7 minute contact time — rinse required
ALKAKLEEN
Concentrated, strong foaming alkaline coil cleaner and degreaser with penetrating strong foam. NSF registered. For professional/industrial use only.
- Available in 1 gallon, 2.5 gallon, and 55 gallon drum
- Alkaline formula — pH 13.25–13.60
- Ideal for condenser coils
KLEENCOIL
NSF Food Grade NSF registered detergent coil cleaner for food processing plants. Non-foaming formula ideal for multi-row evaporator coils, air conditioning units, permanent filters, and heat pump units. OEM approved for micro-channels.
- Available in 1 gallon, 2.5 gallon, and 55 gallon drum
- Alkaline detergent — pH 12.70–13.20
- NSF registered for food processing facilities
KLEENBRITE
Acid Foaming Concentrated hydrofluoric acid based condenser coil cleaner for aluminum finned heating and cooling coils. Creates high foam cleaning and brightening action that returns dirty coils to like-new appearance. For professional/industrial use only.
- Available in 1 gallon, 2.5 gallon, and 55 gallon drum
- Acid formula — pH 1.00–1.05
- Cleans, brightens, and penetrates with high foam
KLEENSAFE
EPA Safer Choice ✓ Environmentally friendly condenser coil cleaner. Concentrated non-foaming neutral pH formula — ideal for educational, healthcare, and residential applications. Safe for micro-channels and soft surface cleaning. OEM approved.
- Available in 1 gallon, 2.5 gallon, and 55 gallon drum
- Neutral pH — 8.00–9.00
- EPA Safer Choice registered · NSF registered · OEM approved
EVAP-PLUS
EPA Safer Choice ✓ Ready-to-use, spray-on, foaming, non-rinse, neutral pH coil cleaner. Environmentally friendly surfactants. Cleans evaporators, heat pump units, and permanent air filters. OEM approved for micro-channels.
- 32 oz spray bottle — ready to use, no dilution
- Neutral pH — no rinse required
- EPA Safer Choice registered · NSF registered · OEM approved
| Product | Part No. | Size | Pack |
|---|---|---|---|
| KleenFoam TOP SELLER | KF1GNC | 1 gallon | 4/cs |
| KF2GNC | 2.5 gallon | 2/cs | |
| KF55GNC | 55 gallon drum | — | |
| AlkaKleen | AN1GNC | 1 gallon | 4/cs |
| AN2GNC | 2.5 gallon | 2/cs | |
| AN55GNC | 55 gallon drum | — | |
| KleenCoil NSF | KN1GNC | 1 gallon | 4/cs |
| KN2GNC | 2.5 gallon | 2/cs | |
| KN55GNC | 55 gallon drum | — | |
| KleenBrite | KB1GNC | 1 gallon | 4/cs |
| KB2GNC | 2.5 gallon | 2/cs | |
| KB55GNC | 55 gallon drum | — | |
| KleenSafe SAFER CHOICE | KS1GNC | 1 gallon | 4/cs |
| KS2GNC | 2.5 gallon | 2/cs | |
| KS55GNC | 55 gallon drum | — | |
| Evap-Plus SAFER CHOICE | EP1Q | 32 oz spray bottle | 12/cs |
Aerosol Cleaners
National Chemicals aerosol products cover the full range of HVAC/R field and shop needs — from coil cleaning and degreasing to contact cleaning, lubrication, and pan repair. Professional grade formulations in convenient ready-to-use aerosol format.
HD DEGREASER
#1 Aerosol by Revenue Heavy duty concentrated degreasing solution. Dissolves grease, grime, oil, and oil-based contaminants from mechanical parts, electrical equipment, and refrigeration systems. Safe on metals. CA VOC compliant.
- 20 oz can (net fill 15 oz) · Part: NDS17OZ
EVAPKLEEN
Top Volume Heavy foaming alkaline cleaner for cooling and heating coils. Non-rinse capable on coils where condensation is produced. Ideal for window units, refrigerator coils, evaporators, and condensers. OEM approved for micro-channels.
- 20 oz can (net fill 19 oz) · Part: N4890
KLEENFOAM AEROSOL
High foaming, non-acid, alkaline-based cleaner and brightener for exterior air-cooled aluminum finned coils. Formulated with the most effective cleaning detergents and surfactants available.
- 20 oz can (net fill 19 oz) · Part: N4895
ELECTRICAL CONTACT CLEANER
Fast drying, non-conductive formula. Leaves no residue. Cleans oil, flux, and contaminants from contacts, printed circuit boards, switches, motors, and electronic instruments.
- 16 oz can (net fill 10 oz) · Part: N4830
SILICONE SPRAY
Food Grade NSF registered food grade lubricant. Heat stable, colorless, odorless. Medium viscosity for wide variety of surfaces and machinery. Ideal for food processing areas per 21 CFR 178.3570.
- 16 oz can (net fill 11 oz) · Part: N4840
PAN PATCH
Rubberized, flexible spray-on coating designed to seal rust and corrosion. One can covers approximately 12–15 sq ft in two thin coats. Non-chlorinated formula. Ideal for condensate drain pans, unit housings, and metal surfaces subject to moisture, rust, and corrosion in field and mechanical room environments.
- 20 oz can (net fill 16 oz) · Part: N4875
SPRAY ADHESIVE
High solid, non-chlorinated, waterproof, flexible, transparent spray adhesive for temporary and permanent bonding. Ideal for insulation, duct liner, and foam applications — strong, water-resistant, fast-drying formula works on most surfaces including metal, wood, plastic, and rubber.
20 oz can (net fill 12 oz) · Part: N4820
| Product | Part No. | Net Fill | Pack |
|---|---|---|---|
| HD Degreaser TOP SELLER | NDS17OZ | 14 oz (20 oz can) | 6/cs |
| EvapKleen TOP VOLUME | N4890 | 19 oz (20 oz can) | 6/cs |
| BlastKleen | N4880 | 18 oz (20 oz can) | 6/cs |
| KleenFoam Aero | N4895 | 19 oz (20 oz can) | 6/cs |
| Electric Contact Cleaner | N4830 | 10 oz (16 oz can) | 6/cs |
| Silicone Spray NSF | N4840 | 11 oz (16 oz can) | 6/cs |
| ACE® Wasp & Hornet Spray | WHA | 14 oz (20 oz can) | 6/cs |
| Pan Patch | N4875 | 16 oz (20 oz can) | 6/cs |
| Spray Adhesive | N4820 | 12 oz (20 oz can) | 6/cs |
Leak Detection & Sealants
National Chemicals leak detection and sealant products cover the full spectrum — from simple bubble detectors to advanced refrigerant system sealants. NSF registered and EPA Safer Choice certified leak detectors, and a complete line of LeakStop sealants sized for systems from ½ ton to 15 tons.
ONE & DONE LEAKSTOP SEALANT
#1 Revenue Product Blend of POE oil and polar additives that forms a flexible bond at the leak site. Provides ongoing protection from future corrosive leaks while lubricating system seals. Available in standard and UV dye versions sized for every system.
Standard (no UV dye):
- Mini — up to ½ ton · Part: NCLSMINI
- Up to 1.5 tons · Part: NCLS
- Up to 5 tons · Part: NCLS5 ⭐ Best Seller
- 6–15 tons · Part: NCLS15
With UV Dye:
- Mini — up to ½ ton · Part: NCLSUVMINI
- Up to 1.5 tons · Part: NCLSUV
- Up to 5 tons · Part: NCLSUV5 ⭐ Best Seller
- 6–15 tons · Part: NCLSUV15
| Part No. | System Size | Description |
|---|---|---|
| NCLSMINI | Up to ½ ton | LeakStop Sealant Mini |
| NCLS | Up to 1.5 tons | LeakStop Sealant |
| NCLS5 BEST SELLER | Up to 5 tons | LeakStop Sealant |
| NCLS15 | 6–15 tons | LeakStop Sealant |
| Part No. | System Size | Description |
|---|---|---|
| NCLSUVMINI | Up to ½ ton | LeakStop Sealant Mini with UV Dye |
| NCLSUV | Up to 1.5 tons | LeakStop Sealant with UV Dye |
| NCLSUV5 BEST SELLER | Up to 5 tons | LeakStop Sealant with UV Dye |
| NCLSUV15 | 6–15 tons | LeakStop Sealant with UV Dye |
NC BLUE LEAK DETECTOR
Top Seller High quality NSF registered and EPA Safer Choice surfactant-based gas leak detector. Detects even the smallest leaks. Produces a strong, long-lasting bubble for extended detection time.
- 32 oz spray bottle · Part: NCB
- 1 gallon · Part: NCBG
NC ICE BLUE LEAK DETECTOR
Low temperature NSF registered gas leak detector. Detects microscopic leaks at very low temperatures. Self-regenerating bubble for extended detection time. Ideal for cold weather or refrigeration applications.
- 32 oz spray bottle · Part: NCIB
Clear Leak Detector High viscosity dauber-applied detector formulated without dye. Ideal for lines where dye staining may be a concern.
- 8 fl oz bottle · Part: NLDC
FLOURESCENT LEAK DETECTOR
High viscosity dauber-applied detector with fluorescent dye. Designed for detecting microscopic leaks in poorly lit areas.
- 8 fl oz bottle · Part: NLDF
| Product | Part No. | Size | Pack |
|---|---|---|---|
| NC Blue TOP SELLER SAFER CHOICE | NCB | 32 oz spray bottle | 6/cs |
| NCBG | 1 gallon | 4/cs | |
| NC Ice Blue NSF | NCIB | 32 oz spray bottle | 6/cs |
| NCIBG | 1 gallon | 4/cs | |
| Clear (No Dye) | NLDC | 8 fl oz bottle | 12/cs |
| Fluorescent | NLDF | 8 fl oz bottle | 12/cs |