Chimei WONDERLITE® PC-681U Flame Retardant

Chimei WONDERLITE PC-681U Flame Retardant Low Temperature Impact Resistance

CHIMEI WONDERLITE® PC-681U is a flame-retardant, non-halogenated polycarbonate resin engineered for demanding environments. With 1.5mm V-0 flammability certification, exceptional low-temperature impact resistance (-30°C), and UV stability (UL 746C f1), it’s ideal for electrical enclosures, outdoor components, and safety-critical applications.

Application: Electrical appliances, outdoor applications (UL 746C f1)
Character: Low temperature impact resistance, Flame retardant (non-brominated, and non-chlorinated), 1.5mm V0

PC Resin

Chimei WONDERLITE® PC Resin

Key technical data (ISO)

Flame Retardancy: 1.5mm V-0, 3.0mm 5VA (UL 94 / IEC 60695).
Impact Resistance: 60 KJ/m² at 23°C; 45 KJ/m² at -30°C.
Thermal Stability: HDT 125°C (unannealed), Vicat softening 150°C.
Electrical Safety: Dielectric strength 30 kV/mm; volume resistivity 1.0E+14 Ω·cm.
Outdoor Certification: UL 746C f1 (UV, water, and immersion resistance).
Flow Properties: Melt flow index 10 ml/10 min (300°C, 1.2KG).

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ISO TDS Download

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Process Guide Download

UL Product iQ Download

Halogen-Free Flame Retardancy

WONDERLITE® PC-681U meets 1.5mm V-0 and 3.0mm 5VA flammability standards without bromine or chlorine, ensuring safer compliance for electronics and appliances.

Freeze-Proof Durability

It retains 45 KJ/m² impact resistance at -30°C, perfect for automotive parts or outdoor equipment exposed to extreme cold.

Weather-Resistant Performance

UV-stabilized and UL 746C f1 certified, it withstands decades of sunlight, rain, and humidity—ideal for outdoor connectors or LED housings.

Application

Electrical Appliances: Circuit breakers, power tool housings, and connectors.
Outdoor Solutions: LED streetlight covers, automotive sensors, and solar panel components.
Safety-Critical Parts: Industrial enclosures, medical device housings, and public infrastructure.

WONDERLITE® PC-681U Datasheet

Flame Retardant WONDERLITE® PC-681U Product Description: 1.5mm V-0, Opaque,UV Stabilized,UL 746C f1,Low temperature resistance,Opaque
Properties	ISO Test Method	Test Condition	Unit	PC-681U
Melt Flow Index	1133	300℃ × 1.2KG	ml/10 min	10
Spiral flow	CHIMEI	260℃,2mm, V:50%,P:50%	cm	–
Mass Density	1183	23 ℃	g/cm3	1.2
Tensile Strength	527	50 mm/min, yield	MPa	60
Tensile Strength	527	50 mm/min, break	MPa	65
Tensile Elongation	527	50 mm/min	%	110
Flexural Strength	178	2 mm/min	MPa	90
Flexural Modulus	178	2 mm/min	GPa	2.3
Izod Impact Strength	180/1A	23℃, Notched	KJ/m2	60
Izod Impact Strength	180/1A	-30℃, Notched	KJ/m2	45
Charpy Impact Strength	179	23℃, Notched	KJ/m2	60
Charpy Impact Strength	179	-30℃, Notched	KJ/m2	45
Vicat Softening Temp.	306	50℃/hr;1KG	℃	150
Vicat Softening Temp.	306	50℃/hr;5KG	℃	145
Heat Distortion Temp.	75/A	1.8MPa, unannealed	℃	125
Heat Distortion Temp.	75/A	1.8MPa, annealed	℃	140
Dielectric Constant	IEC 60250	1MHz	—	3
Volume Resistivity	IEC 60093	—	Ohm X m	6.3E+13
Surface Resistivity	IEC 60093	—	Ohm	6.9E+13
Coefficient of Linear Thermal Expansion	11359	–	–	6.5*10-⁵
Flammability	–	UL-94	–	1.5mm V-0 3.0mm 5VA
Mold Shrinkage	294-4	–	%	0.4~0.6
Symbol	1043	–	–	>PC<
January 12, 2024 Notes：These are typical properties only and are not to be construed as specifications. Users should confirm results by their own test

WONDERLITE® PC-681U UL Product iQ

WONDERLITE® PC-681U(f1)(a) \| UL Product iQ
File Number: E56070	Yellow Card™	Polycarbonate (PC) “WONDERLITE”, furnished as pellets
(f1) – Suitable for outdoor use with respect to exposure to Ultraviolet Light, Water Exposure and Immersion in accordance with UL 746C.
(a) – Ball pressure temperature is in accordance with IEC 60695-10-2 Method B.
FLAMMABILITY PROPERTIES	VALUE	TEST METHOD
Flammability		ANSI/UL 94
1.5 mm, Color: ALL	V-0
3.0 mm, Color: ALL	5VA, V-0
ISO/IEC FLAMMABILITY PROPERTIES	VALUE	TEST METHOD
Flammability		IEC 60695-11-10
1.5 mm, Color: ALL	V-0
3.0 mm, Color: ALL	V-0
Flammability (3.0 mm, Color: ALL)	5VA	IEC 60695-11-20
Glow Wire Ignition Temperature (GWIT)		IEC 60695-2-13
1.5 mm	825 °C
3.0 mm	850 °C
Glow Wire Flammability Index (GWFI)		IEC 60695-2-12
1.5 mm	960 °C
3.0 mm	960 °C
ELECTRICAL PROPERTIES	VALUE	TEST METHOD
Hot-wire Ignition (HWI)		UL 746A
1.5 mm	PLC 3
3.0 mm	PLC 3
High Amp Arc Ignition (HAI)		UL 746A
1.5 mm	PLC 1
3.0 mm	PLC 1
Comparative Tracking Index (CTI)	PLC 2	UL 746A
Dielectric Strength	30 kV/mm	ASTM D149
High Voltage Arc Tracking Rate (HVTR)	PLC 2
Volume Resistivity	1.0E+14 ohms·cm	ASTM D257/IEC 60093
High Voltage, Low Current Arc Resistance	PLC 6
THERMAL PROPERTIES	VALUE	TEST METHOD
Relative Thermal Index – Electrical Strength		UL 746B
1.5 mm	130 °C
3.0 mm	130 °C
Relative Thermal Index – Mechanical Impact		UL 746B
1.5 mm	115 °C
3.0 mm	120 °C
Relative Thermal Index – Mechanical Strength		UL 746B
1.5 mm	125 °C
3.0 mm	130 °C
Ball Pressure Temperature	135 °C
PHYSICAL PROPERTIES	VALUE	TEST METHOD
Dimensional Change	0.0 %	ASTM D1042/ISO 2796

Chimei WONDERLITE® PC-681U