Woolim R&D Center

Comparison to existing products

index	2nd generation surface heating element	next generation cable ; PCC cable	note
surface resistance	5~10Ω/cm2	1~0.5Ω/cm2	economics
sustained pressure	Disconnection	transform	safety
peeling phenomenon	has exist	doesn't exist	safety
Insertion Molding	impossibility	possibility	Diversity
Workability	Film → Coating → Drying → Power connection	Extrusion → Power connection	Economics
Heat generation temperature	3cm×1cm⟹12V ( About 200℃)	Φ3.8cm×10cm⟹12 V ( About 250℃)

index	first generation metal	2nd generation surface heating element	next generation cable ; PCC cable	remarks
Material	Metal wire such as Cu, Al	Coating of CU, Al, CNT, Graphene	PPC Extruder / Molding without metal	Metal free
Power	AC220V/110V	AC220V/110V USB, DC5V~48V	USB, DC5V~48V	Low voltage
Electric shock and fire hazard	High	Middle	Non	Safety
electromagnetic waves	Electromagnetic wave generation	AC Electromagnetic wave generation	Electromagnetic wave shielding and absorption	50 to 70dB at 1.5GHz
power consumption	High	Middle	Low	Economics
Calorific value conversion efficiency	Low	Middle	High	Efficiency
Oxidation	Yes	Yes	Oxidation resistance	Quality
Disconnection	Yes	Yes	Non	More than 10 times at 360° bending
Moisture and Underwater Testing	Oxidation	Oxidation and exfoliation	Non	Safety
productivity	Difficulty	Difficulty	Simple	Economics
Cleaning	Impossibility	Difficulty	Possibility	Safety
Usage	Simple	Difficulty	Variety	Compatibility