| HS Code | 690139 |
| Boiling Point C | 120 |
| Freezing Point C | -40 |
| Color | green |
| Ph | 8.5 |
| Viscosity Cst At 20c | 15 |
| Thermal Conductivity W Per M K | 0.6 |
| Specific Heat Capacity J Per Kg K | 3300 |
| Flash Point C | 110 |
| Corrosion Inhibition | yes |
| Odor | mild |
| Solubility In Water | fully_miscible |
| Density Kg Per M3 | 1090 |
As an accredited New Coolant factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | New Coolant is packaged in 5-gallon sealed drums, with clear hazard labeling and a spill-proof cap. |
| Container Loading (20′ FCL) | 20′ FCL: New Coolant loaded in sealed, secured drums/pallets, maximizing capacity for safe, efficient full-container transport. |
| Shipping | New Coolant ships as a non-hazardous chemical in sealed, leak-proof containers, complying with DOT and IMDG regulations. Use temperature-controlled, ventilated transport to prevent degradation. Avoid moisture and direct sunlight. Ensure proper labeling, secure upright positioning, and immediate spill containment procedures during loading and unloading. |
| Storage | Store New Coolant in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Keep containers tightly sealed and upright when not in use. Ensure the storage area is clearly labeled, protected from freezing, and inaccessible to unauthorized personnel. Keep away from incompatible materials such as strong oxidizers. |
| Shelf Life | Shelf life is 24 months from manufacture date when stored sealed in a cool, dry area away from direct sunlight. |
Direct single-phase immersion cooling for high-density GPU servers is configured with a coolant fill ratio of 1.2–1.5 L kW−1 and a tank freeboard of 15–20% by volume to absorb fluid expansion and preserve vapour space control. The coolant is qualified before deployment per IEC 60247 for dielectric dissipation factor at 50 Hz and 2.5 mm gap, per ASTM D1816 for dielectric breakdown voltage using spherical electrodes, and per ASTM D445 for kinematic viscosity at 40°C. Moisture is maintained below 50 ppm by coulometric Karl Fischer titration per ASTM D6304, because open-tank immersion systems specify 50 ppm as the upper control limit in common design guidance such as ASHRAE TC 9.9 liquid cooling recommendations. Process integration uses a primary circulating pump with canned rotor or double mechanical seal, filtration through 0.5 μm fluoropolymer membranes, and degassing to 20% gas saturation before the server blades are energised. System pressure drop across the distribution manifold is held between 20 and 60 kPa, and the heat exchanger approach temperature is set below 5°C. The terminal article is a sealed 42U immersion tank or modular tub loaded with high-frequency trading or AI training GPU arrays, where the coolant remains in contact with polyimide flex, PBT connectors, and fluoropolymer cable jackets. Natural rubber and silicone adhesives are excluded from the tank bill of materials due to volume swell and oligomer release.
In a direct-to-cell 800 V traction battery pack, the heat-transfer fluid must simultaneously satisfy electrical isolation, galvanic compatibility, and low-temperature pumpability without disrupting the cold-plate pressure drop envelope. The loop typically circulates 12–18 L/min across aluminium cold plates and polymeric manifolds at a pressure drop of 20–50 kPa, with the coolant volume in the loop sized at 5–7 L per 100 kWh of installed capacity. Qualification uses ASTM D1816 for dielectric breakdown voltage with a 2.5 mm gap, ASTM D5391 for conductivity, and ASTM D1384 for multi-metal corrosion of cast aluminium, copper, brass, steel, and solder coupons over 336 h at 88°C. Conductivity is held below 10 μS/cm at 25°C, chloride below 5 ppm by ion chromatography, and water below 100 ppm by ASTM D6304. Production fill is performed after vacuum drying of the cooling circuit to −0.08 MPa and pressure-decay verification with less than 4 kPa loss over 60 s. The terminal product is a sealed high-voltage traction battery pack used in battery-electric truck platforms, where the fluid remains in close proximity to cell tabs, fusion-welded busbars, and polyamide structural plates. Silicone-based sealants that release low-molecular-weight oligomers are avoided because these can deposit on sensor electrodes and shift measured conductivity.
Across semiconductor fabrication facilities, temperature control loops serving immersion lithography, plasma etch chucks, and ion implantation require a coolant that does not release chlorinated oxidation byproducts when exposed to ultraviolet light or ozone from wafer handling and leak detection equipment. The heat transfer fluid is blended with high-purity water meeting ASTM D5127 Type E-1.1 at a 1:50 to 1:100 dilution ratio, then recirculated through PVDF or PFA piping, electropolished 316L stainless steel pump volutes, and 0.05 μm point-of-use filters at 40–100 L/min per process tool. Control tolerance at the chuck or heat exchanger is maintained within ±0.1°C by a dual-stage PID loop using a 10 kΩ thermistor or RTD feedback. Ionic contamination is monitored by on-line conductivity to 2 μS/cm at 25°C per ASTM D5391, and particle counts are kept below 100 counts/mL for particles 0.1 μm or larger using an optical particle counter. The terminal article is a wafer fab temperature-control skid or subfloor distribution network serving multiple tools, with N+1 pump redundancy and 20% reserve cooling capacity. Exchange rates are scheduled every 12 months or when total organic carbon exceeds 50 ppm, whichever occurs first.
| Application | Measured property | Standard or registration | Typical boundary |
|---|---|---|---|
| Data center single-phase immersion | Dielectric breakdown voltage | ASTM D1816 | ≥ 30 kV per 2.5 mm gap |
| 800 V battery cooling circuit | Multi-metal corrosion | ASTM D1384 | Weight loss < 10 mg per coupon after 336 h at 88°C |
| PEM fuel cell coolant | Conductivity | ASTM D5391 | < 5 μS/cm at 25°C |
| Semiconductor temperature control | Electronic-grade water compatibility | ASTM D5127 | Type E-1.1 after 1:50 dilution |
| Low-temperature food refrigeration | Incidental food contact registration | NSF HT1 | 40–50 vol% concentrate |
| Pharmaceutical jacketed reactor | cGMP process validation | 21 CFR Part 210/211 | Residual conductivity return to baseline |
A proton exchange membrane fuel cell coolant loop at 95°C demands ultralow ionic content because any carryover of sodium, calcium, or chloride into the membrane electrode assembly reduces proton conductivity and accelerates peroxide radical attack on perfluorosulfonic acid membranes. The coolant is circulated through the bipolar-plate channels at 20–50 L/min per 100 kW of gross stack output, with a total loop volume of 5–8 L and a pressure expansion tank sized at 10% of circulating volume. In-line mixed-bed ion exchange resin in a cartridge with 10 μm retention is used to hold conductivity below 5 μS/cm at 25°C as measured by ASTM D5391. The coolant itself is a non-glycol formulation; ethylene glycol and propylene glycol are excluded because oxidation at 95°C generates carboxylic acids that increase conductivity and poison the stack. Filtration through 5 μm polypropylene before the particle trap protects the resin bed from electrode debris. The terminal product is a heavy-duty fuel cell bus or stationary power system with 100–300 kW of electrical output. Continuous monitoring of pressure drop across the resin bed is required; replacement is performed when pressure drop rises by 30 kPa or conductivity exceeds 10 μS/cm for 30 min.
At the lower temperature bound of a secondary food-grade refrigeration loop, the coolant’s viscometric behaviour dictates pump energy consumption and pressure drop across plate heat exchangers. For a −35°C storage freezer, the concentrate is diluted with deionized water to 40–50 vol% depending on freeze protection margin, with kinematic viscosity held below 50 mm²/s at −30°C per ASTM D445. The fluid is registered as NSF HT1 for incidental food contact and is used only in closed-loop secondary circuits separated from direct food exposure; any spillage during coupling removal must be cleared with food-grade sanitizer before production resumes. Process circulation through corrugated 316L stainless steel plate-and-frame heat exchangers uses a variable-frequency-drive centrifugal pump delivering 80–150 L/min per 100 kW of evaporator load, with pressure drop across the plate pack maintained at 15–40 kPa. The terminal articles are frozen dairy, meat, and seafood cold-storage warehouses or spiral freezers, where the secondary coolant transfers heat from fan-coil units to a central ammonia system. Zinc-plated carbon steel pipes are excluded because dissolved zinc increases sludge formation; molybdenum-bearing stainless steels are preferred for shafts and valve trim.
When a low-temperature pharmaceutical jacketed reactor is retrofitted from a glycol-based brine to a non-glycol coolant, the qualification protocol must address film coefficient stability, leachable behaviour, and cleanability after batch changeover. The working fluid is prepared at 40% concentrate in purified water meeting USP grade requirements, then circulated through the half-pipe jacket of a 1000 L stainless steel reactor at 200–500 L/min depending on jacket surface area and Reynolds target. Cooling from 25°C to −30°C is ramped at 0.5°C/min under cascade control, with the jacket inlet temperature allowed to undershoot the product setpoint by no more than 10°C to prevent wall nucleation and non-uniform crystal growth. The fluid is filtered through 0.2 μm capsules during fill and is sampled for total organic carbon, conductivity, and bioburden per the site’s cGMP change control procedure under 21 CFR Part 210/211. Residual coolant is removed from product-contact surfaces by rinse with purified water at 60°C until conductivity returns to baseline and no film persists; published data for this specific configuration is limited to equipment-specific validation reports. The terminal article is an active pharmaceutical ingredient batch crystallization or a lyophilizer shelf fluid loop, with the fluid never in direct contact with the product contact surface.
Competitive New Coolant prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
New Coolant NC-2000 is a water-dilutable semisynthetic metalworking fluid formulated for high-pressure through-tool delivery in cast aluminium, alloy steel, and copper-alloy machining. The product is supplied as a clear amber liquid with a specific gravity of 1.08 at 20 °C per ASTM D4052, a kinematic viscosity of 48 mm²/s at 40 °C per ASTM D445, and a pH of 9.2 to 9.6 at 5% dilution in deionized water per ASTM E70. The concentrate carries a reserve alkalinity of 18.5 mL 0.1 N HCl to pH 4.0 per ASTM D1121 and a refractometer factor of 1.7 for shop-floor concentration control. The formulation uses a 12% mineral oil base, polymeric emulsifiers, and a sulfur-free phosphorus ester extreme-pressure package; it contains no chlorinated paraffins, secondary amines, or phenolic biocides. In central systems the fluid is maintained at 6% to 10% concentration; in individual machine sumps the same range applies, but makeup is typically metered through proportioning pumps calibrated against a 1.7 refractometer factor. The product is intended for recirculating coolant loops operating at 3 bar to 70 bar delivery pressure and is not recommended for once-through or mist-only application. Packaging is supplied in 20 L pails, 205 L lever-lock drums, and 1,000 L intermediate bulk containers. Unopened containers have a shelf life of 24 months when stored at 5 °C to 40 °C; freeze-thaw cycling below −5 °C can stratify the emulsifier package.
Foam generation in semisynthetic coolants is governed by emulsifier selection, oil droplet size distribution, and the shear regime at the tool-holder interface. New Coolant NC-2000 uses a mixed ethoxylated/propoxylated emulsifier system with an average dispersed oil particle diameter of 1.2 µm to 1.8 µm at 5% dilution, measured by laser diffraction after 30 min recirculation. In a twin-spindle horizontal machining centre with 40-tool magazines and through-spindle coolant delivery at 70 bar, the fluid-in-use foam tendency was 35 mL after 5 min per ASTM D3601 at 5% dilution and 25 °C. A conventional soluble oil in the same system produced 110 mL under the same test conditions; the difference is attributed to the lower free-oil fraction and a silicone-free defoamer that does not reduce lubricity in aluminium tapping. The defoamer is stable under high-shear recirculation for 3 weeks before top-up is required, based on sump audits.
Field observations in a 4,500 L central system feeding 12 CNC lathes with 35 bar tool coolant and 1.6 m/s chip conveyor speed showed no foam layer greater than 5 mm after 72 h of continuous operation. Air entrainment in the coolant return line remained below 2.5% by volume, sufficient to prevent pump cavitation at a net positive suction head of 1.2 m. This performance is bounded: if make-up water hardness exceeds 250 ppm CaCO₃ or tramp oil exceeds 1.0% by surface area, foam control degrades and a system clean-out is required before restoration.
Concentration control for New Coolant NC-2000 is based on a refractometer factor of 1.7 and a pH setpoint of 8.9 to 9.5 at 20 °C. The product is charged at 6% for general machining and 8% for thread forming and creep-feed grinding; concentrations below 5% reduce cast-iron chip corrosion protection below the acceptance criterion of ASTM D4627. Concentrations above 12% increase carry-off on chips and produce visible residues on machine guarding after 8 h of drying. In a 1,000 L sump with a make-up rate of 18 L/h and evaporation loss of 6 L/h, a proportional mixer set to 2.5% concentrate maintains the working emulsion at 6.2% to 6.8%; field checks with a hand refractometer are performed once per shift because tramp oil and fines alter the optical reading.
| Parameter | Method | Value |
|---|---|---|
| Appearance at 20 °C | Visual | Clear amber liquid |
| Specific gravity at 20 °C | ASTM D4052 | 1.08 |
| Kinematic viscosity at 40 °C | ASTM D445 | 48 mm²/s |
| pH at 5% dilution in deionized water | ASTM E70 | 9.2–9.6 |
| Reserve alkalinity | ASTM D1121 | 18.5 mL 0.1 N HCl to pH 4.0 |
| Refractometer factor | Hand refractometer | 1.7 |
| Foam tendency at 5% dilution | ASTM D3601 | 35 mL after 5 min |
| Cast iron chip corrosion | ASTM D4627 | No rust at 24 h |
| Copper corrosion at 5%, 50 °C, 4 h | ASTM D130 | 1a |
Make-up water should fall within 100 ppm to 250 ppm CaCO₃ total hardness. Below 100 ppm CaCO₃ the product exhibits a measurable increase in foam tendency of 15% to 25% in the recirculating loop, while above 250 ppm CaCO₃ calcium sulfonate precipitation can form as a white deposit on machine windows and linear guides after 48 h of continuous exposure. If the available supply is outside this range, softened water or demineralized water blended with hard water is required before charging the sump. Chloride in make-up water should be held below 50 ppm and sulfate below 100 ppm; higher levels increase the risk of stress corrosion on magnesium-containing aircraft alloys in aluminium machining. The product is not formulated for use in systems containing galvanized steel fittings; the operating pH of 9.0 accelerates zinc corrosion.
Replacement of a mineral-oil-based soluble oil with New Coolant NC-2000 in a 4,500 L cast-iron transfer line involved three differences in process behaviour. First, tramp oil rejection improved from 68% to 92% in a 24 h coalescer test, because the semisynthetic emulsion droplets carry less free oil and release tramp oil more readily in the return flume. Second, chip settling in the hydrocyclone increased from 1.8 kg/h to 3.1 kg/h of dry swarf at a slurry density of 1.12 g/cm³; this is attributed to the lower oil-viscosity of the emulsion phase and the absence of high-molecular-weight tackifiers. Third, oil mist concentration measured with a NIOSH 5026 sampler at operator breathing zone declined from 0.8 mg/m³ to 0.3 mg/m³, although published data for this specific configuration is limited.
These differences do not imply universal superiority. In thread rolling and heavy forming operations with slow speeds and high mechanical lubrication demand, a soluble oil may still deliver higher film strength. New Coolant NC-2000 is specified for machining where heat removal, fines settling, and low mist are critical, while straight oils or soluble oils are retained for forming-limited operations. The product also differs from a fully synthetic coolant: in aerospace machining of 7075-T651 aluminium structural components, a polyalkylene glycol synthetic produced lower residue on hot chips, but NC-2000 at 5% dilution gave a lower coefficient of friction in a Falex pin-and-vee block test at 500 N load, 0.09 versus 0.12. This trade-off places NC-2000 between high-lubricity soluble oils and low-residue synthetics for aluminium-intensive cells.
Water hardness entering a central reservoir affects emulsion stability and corrosion inhibitor performance. New Coolant NC-2000 is formulated with polycarboxylate dispersants that tolerate 100 ppm to 250 ppm CaCO₃ without calcium sulfonate precipitation; above 250 ppm CaCO₃, the fluid begins to form white soap deposits on machine windows and linear guides after 48 h of continuous exposure. In a 2,000 L sump charged with 6% concentrate and water at 300 ppm CaCO₃, the pH remained 9.0 for 72 h, but a filter paper test showed visible flocculation; softened water or demineralized water is recommended when supply hardness exceeds 250 ppm. Conversely, water below 100 ppm CaCO₃ increases foam tendency by 15% to 25% and should be corrected by adding hard water or calcium chloride to the required range.
Biocide depletion is proportional to heat load, tramp oil contamination, and system retention time. In a 4,000 L central system running 24 h/day, dip-slide counts are maintained below 10⁵ CFU/mL for 6 to 8 weeks; when counts exceed 10⁵ CFU/mL or the pH falls below 8.5, a top-up of the manufacturer’s low-residue biocide pack is added at 0.05% by total sump volume. The product must not be mixed with soluble oil concentrates containing nitrite-based corrosion inhibitors or amine-borate packages, because nitrosating conditions can form in the sump if nitrite is present at pH 8.0 to 9.0. Pre-cleaning of a used sump with an alkaline cleaner at 2% to 5% concentration and a rinsate pH below 8.0 is required before the first charge, to remove residual chlorinated soluble oil and scale.
Regulatory status is documented against the following standards and thresholds. The product is not intended for direct food-contact applications.
| Regulation or Standard | Requirement | Status |
|---|---|---|
| REACH Annex XVII | Medium-chain chlorinated paraffins ≤ 0.1% | Compliant |
| RoHS Directive 2011/65/EU | Pb, Hg, Cd, Cr(VI), PBB, PBDE below MCV | Compliant |
| OECD 301B | Ready biodegradability of organic components | 62% after 28 d |
| ASTM D4627 | Cast iron chip corrosion at 5% | No rust at 24 h |
| ASTM D130 | Copper corrosion at 5%, 50 °C, 4 h | 1a |
In creep-feed grinding of Inconel 718 with vitrified cubic boron nitride wheels, New Coolant NC-2000 is charged at 6% and delivered at 45 L/min per 1,000 mm wheel width through a 25 µm paper bed filter. Wheel loading is controlled by maintaining the fluid velocity at 1.8 m/s in the nozzle manifold and by holding tramp oil below 1%; under these conditions, the product avoids the aluminium staining and high oil mist that differentiate it from conventional chlorinated soluble oils.
In a 7075-T651 aluminium structural machining cell, the product is used at 5% dilution in a 3,000 L central system with 70 bar through-spindle delivery. The measured surface finish on a 6061-T6 milling operation was 0.8 µm Ra for NC-2000 versus 1.1 µm Ra for a high-oil-content soluble oil at identical feed, speed, and tool geometry; however, published data for this specific configuration is limited. The operational limit is a maximum sump temperature of 45 °C; above 45 °C, the fatty acid ester lubricating components begin to hydrolyse and the pH drops by 0.4 units within 72 h.
