Carbon Nanotube Heating
FlexTherm Products
Flexible CNT heating film, flexible electrodes and NTC smart temperature control — engineered for brands, Amazon & Shopify sellers, gifting and therapy programs.
Find comfort for every need
Five CNT-powered platforms to recover, relax and feel like yourself again — warm, cold, light and air. Every module is built on FlexTherm carbon nanotube film, flexible electrodes and NTC smart control, ready to be tuned to your brand.
-
Heat Heat Therapy Comforting warmth for everyday relief, morning to night — 3-second warm-up with even surface temperature.
- Neck & shoulder tension
- Back discomfort
- Muscle relaxation
- Everyday comfort
-
Cold Cold Therapy Cooling relief for recovery and everyday discomfort, pairing with hot/cold switchable wraps.
- Knee discomfort
- Tennis elbow
- Recovery support
- Post-injury care
-
Light Red Light Therapy Deep, soothing light for skin, joints and daily renewal — combinable with CNT warmth.
- Skin glow
- Joint ease
- Sleep & calm
-
Air Air Compression Rhythmic pressure that refreshes tired legs and arms, with optional heated liners.
- Leg recovery
- Circulation
- Post-workout
-
Bestsellers Loved most Best Sellers Eye pillows, wraps and the pieces OEM partners reorder most, season after season.
- Eye pillows
- Neck wraps
- Gift sets
Targeted Relief
Where is your pain located?
Choose the area that hurts and we'll take you straight to the device designed for it.
NEW
TAKE ALL THE HEAT
The new YETI® Carbon Steel Cookware lineup can sear, sizzle, or simmer any recipe.
SHOP NOWFlexThermCNT Heating
FlexTherm engineers carbon nanotube flexible heating film into finished products for global brands, Amazon & Shopify sellers, gifting companies and health-therapy labels. By pairing CNT film with flexible electrodes and NTC smart temperature control, we deliver thin, bendable, wearable heating systems — even, fast and safe — built as OEM/ODM programs from concept to certified mass production.
Custom sizes, voltages, controllers and packaging — MOQ-friendly pilot runs available.
Start a custom projectFeatured Blogs & News
From carbon nanotube heating film and NTC smart control to wearable therapy design, find the professional knowledge behind every FlexTherm OEM & ODM project.
CNT Technology
Carbon Nanotube Heating Film: The Complete Guide
Why CNT film heats in seconds, spreads far-infrared warmth evenly and stays flexible after thousands of bends.
Smart Control
NTC Smart Control: Holding ±1°C All Session
Closed-loop sensing, multi-zone profiles and auto shut-off — how safe heat is actually engineered.
Wearable Heat
Wearable Heating Systems for Everyday Recovery
Thin, cordless, body-mapped heat: designing wraps and vests people actually keep wearing.
Therapy Guide
Can You Use Heat and TENS Therapy Together?
What each modality does to tissue, when to combine them and the safety limits to build into a device.
OEM / ODM
From Sketch to Shipment: Our OEM/ODM Workflow
Six stages, one owner: concept, film layout, electronics, tooling, certification and mass production.
Materials
Flexible Electrodes: The Quiet Half of Even Heat
Electrode geometry decides hot spots. Here is how we lay out bus bars for uniform surface temperature.
Sports Recovery
Heated Knee & Shoulder Braces That Athletes Reuse
Warm-up before, recovery after: pairing compression with 40–55°C controlled far-infrared heat.
Power Design
5V, 12V or 24V? Choosing Power for Portable Heat
Runtime, warm-up speed and certification cost all move with voltage. A practical selection matrix.
Far Infrared
Far-Infrared vs. Surface Heat: What Reaches Deeper
Penetration depth, comfort and perceived warmth — why FIR film feels different from a wire coil.
Private Label
Launching a Private-Label Heat Line with Low MOQ
Packaging, manuals, firmware branding and logistics — a launch checklist for Amazon and Shopify brands.
Compliance
CE, FCC, RoHS: Certification Without Surprises
Which tests apply to heated wearables, what documentation buyers ask for, and typical timelines.
Daily Relief
Heated Belts for Cramp Relief: Design Notes
Placement, temperature curves and washability for products worn under everyday clothing.
Corporate Gifts
Heated Products as Corporate Gifts That Get Used
USB hand warmers, seat pads and travel wraps: small builds, fast tooling, strong brand recall.
Durability
Washable, Bendable, Bankable: Our Durability Tests
10,000 bend cycles, 50 wash cycles, thermal imaging after each round. What we measure and why.
Wellness
Warmth and Healthy Aging: A Gentler Routine
Low-intensity daily heat for stiff joints and circulation, and the comfort features seniors ask for.