With 20 years experience, Hongtai Alloy is your trusted source for quality hongtai ptfe immersion heater as one of the leading suppliers of various heaters in China. Providing you with the most competitive price, we welcome you to buy the heater from our factory.
Tired of Heaters That Rust Out or Leak?
Our Hongtai PTFE immersion heater's built for the tough stuff-you know, the acidic/alkaline liquids that eat through cheap heaters in months. It's got two parts that make it stick around:
A SUS316 stainless steel core-way tougher than the basic SUS304 you see everywhere. Holds up to 5% sulfuric acid without rusting fast.
A 1.2mm thick PTFE coating-99.8% pure, FDA-approved (safe for food stuff) and handles UV, moisture, all the usual shop grime. Just don't use it with chromic acid-that's too harsh for standard PTFE.
It's fully sealed (no electrolyte leaks) and we keep power low enough (max 1.5W/cm²) so the PTFE doesn't age out early. This thing runs steady for 8000+ hours-60% longer than those thin-wall PTFE heaters that break down right when you need 'em. And we can tweak it-voltage, power, even shape (vertical, L-type for tank corners, Z-type for deep vats) to fit your setup.
What You Get (No Fluff Specs)
| What It Is | Standard Deal | We Can Customize |
|---|---|---|
| Model | HT-PTFE-Tube (immersion style) | N/A |
| Core Material | SUS316 stainless steel | SUS304 (if you're only dealing with mild stuff) |
| PTFE Coating | 1.2mm thick (99.8% pure) | 0.8-1.5mm thickness |
| Voltage | 110V (US standard) / 220V (global) | 12V-480V (single/three-phase) |
| Power Range | 30W-3000W | 5W-5000W (depends on how big you need it) |
| Power Density | ≤1.5W/cm² (for long life) | ≤2.0W/cm² (only for low-viscosity liquids) |
| Safe Temp Range | PTFE handles up to 482°F; Liquid ≤212°F | N/A (material limit-can't push this) |
| Certifications | CE, RoHS, ISO 9001 | FDA (food jobs), UL (if you need it) |
| Warranty | 12 months (only manufacturing defects) | N/A |
| Lead Time | 7-15 business days (standard) | 10-20 days (custom builds) |
| MOQ | 1 (sample) / 5 (wholesale) | We'll talk if you need 10+ |
[图：Left – Dimension drawing (L-type/Z-type for tight spots); Right – Power vs. tube length chart (quick pick for your tank)]
Why It Beats Cheap Heaters
1. Corrosion? Not For 14+ Months
Cheaper PTFE heaters? They use thin 0.6-0.8mm coating and SUS304-rust out in 3-6 months if you're heating acids.Ours? We ran a 480-hour salt spray test on it-no cracks, no leaks. The SUS316 core rusts at 0.02mm a year (1/3 the rate of SUS304). A chemical guy in Ohio uses it for 8% hydrochloric acid-14 months and still going. His old heaters died every 5 months.
2. No Hotspots, No Ruined Solutions
High-power heaters (2.5W/cm²+) create hotspots-melts PTFE, ruins your plating bath or electrolyte.We cap power at 1.5W/cm²-PTFE only hits 230°F max. And the core's wound parallel, so 10 liters of liquid stays within ±3.6°F. A lithium battery maker in Nevada uses it for electrolyte-no decomposition, no bad cells. Their pass rate jumped from 97.2% to 99.5%.
3. Custom Builds That Don't Take Forever
Other suppliers? 25+ days for custom heaters. Let's be real-you can't shut down production for that.We do L-type (tank corners), Z-type (deep vats), even 6mm-16mm tube sizes. Most custom orders ship in 10-20 days-30% faster than the industry. A Detroit auto shop needed L-type for 500L plating tanks-fits like a glove, heats 15% faster than their old ones.
Where This Thing Shines
Chemical plants: A guy in Pennsylvania uses it for solvent distillation-no leaks, no downtime for 14 months.
Plating shops: A Cleveland shop runs it in nickel baths-no heavy metal leaks, plating pass rate hit 99.3%.
Battery factories: Nevada lithium plant uses it 24/7-12 months, zero issues with electrolytes.
Food/pharma: New York condiment maker heats 10% acetic acid with it-FDA-approved, no weird tastes.
How to Get the Right One
Just tell us a few things-we'll sort it:
Start with what you're heating: Acid concentration (e.g., "10% sulfuric"), not just "acid."
Voltage: 110V (US shops) or whatever you run.
Tank/heating needs: How much liquid, start temp, target temp (e.g., "100L water from 77°F to 176°F in 1 hour"). We'll calculate power if you don't know.
Where you'll mount it: Side/bottom/tank corner-we'll pick the shape (vertical/L/Z).
Extras: Need a PTFE guard for tough chemicals? A thermostat? Say the word.
No Hassle Quality & Support
Every heater goes through 8 checks before we ship it-material purity, PTFE thickness, even a 4-hour full-power run. No cutting corners.
Got questions? We'll hit you back within 3 business hours. Warranty's 12 months-if it breaks our mistake, we'll send a replacement.
(only manufacturing defects)
For industry standards (like IEC 60519-2), check the IEC site here: https://www.iec.ch/standardization/iec60519-2.html
FAQs (Straight Talk)
Q: Chromic acid? Can it handle that?
Nah, standard PTFE can't-chromic acid's too harsh. We can make a custom one with an alumina coating, though-adds 3-5 days to lead time.
Q: Max liquid temp?
212°F (100°C) for water-based stuff. Any hotter and it boils-ruins the PTFE. Need higher? Ask about our PFA-coated heaters.
Q: Can I get a sample?
Yep-10 piece minimum. Sample's 1.5x wholesale (e.g., $35 for a 100W 110V model). Ships DHL/FedEx-7-10 days to US addresses.
Q: Will it work with my thermostat?
Almost definitely-we use standard resistance (e.g., 1000W 110V = ~12.1Ω). Send us your thermostat model (like Omron E5CC)-we'll confirm, even send a wiring diagram if you need.
Hit Us Up
Need a quote or sample? Easy:
Email: sales@heaterfactory.com (24-hour response-English/Spanish works)
Phone/WhatsApp: +86 13305101838
Website: www.heaterfactory.com (download manuals/certs)
We've built these for 20+ years-no fluff, just heaters that work for your project.
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