PC Shanghai‑Mitsubishi S3001R

Material Introduction: PC Shanghai‑Mitsubishi S3001R is a food‑grade, high‑flow and high‑transparency polycarbonate resin manufactured by Mitsubishi Engineering‑Plastics Corporation, Japan. It delivers good mechanical strength, heat resistance and electrical insulation performance, and has obtained FDA food‑contact certification.

Main Applications

Food‑Contact Articles: Thanks to its FDA food‑grade certification, it is widely used for baby bottles, tableware, drinking‑water buckets, food containers and other products.
Electronics & Electrical: Switches, home‑appliance housings, signal tubes, telephone housings, telephone exchangers, signal relays, insulating connectors, coil bobbins, etc.
Automotive Industry: Automotive components such as bumpers, distributors and safety glazing.
Optical Lighting: Large‑size lamp shades, protective glazing, left‑and‑right objective lens barrels for optical instruments.
Mechanical Equipment: Gears, racks, worm gears, worm shafts, bearings, cams, bolts, levers, crankshafts, ratchets, as well as equipment housings, covers and frames.
Medical Devices: Medical cups, tubes, bottles, dental instruments, drug containers, etc. (Note: Specific medical applications shall comply with relevant medical regulations and certification requirements.)
Others: Hollow‑rib double‑wall panels and greenhouse glazing in construction sector; textile yarn tubes and textile‑machine shaft bushes in textile industry; toys and models for daily‑use articles.

Physical & Mechanical Properties

Property Category	Performance Parameter	Test Standard	Value / Range	Unit
Physical Properties	Density	ISO 1183	1.20	g/cm³
	Melt Mass‑Flow Rate (MFR)	ISO 1133 (300°C / 1.2 kg)	11.0‑14.5	g/10 min
	Water Absorption (23°C, 24hr)	ASTM D‑570	0.23‑0.26	%
	Molding Shrinkage (Flow Direction)	Internal Method	0.5‑0.8	%
	Molding Shrinkage (Transverse Direction)	Internal Method	0.5‑0.8	%
Mechanical Properties	Tensile Strength (Yield)	ASTM D‑638	58.8‑68.6	MPa
	Tensile Elongation at Break	ASTM D‑638	90‑140	%
	Flexural Strength	ASTM D‑790	80.4‑90.2	MPa
	Flexural Modulus	ASTM D‑790	2.3	GPa
	Izod Notched Impact Strength (3.2 mm)	ASTM D‑256	740‑1000	J/m
	Rockwell Hardness	ASTM D‑785	R122‑124 (M60‑70)	‑
Thermal Properties	Heat‑Distortion Temperature (1.8 MPa)	ASTM D‑648	130‑136	°C
	Heat‑Distortion Temperature (0.45 MPa)	ASTM D‑648	136‑142	°C
	Coefficient of Linear Thermal Expansion	ASTM D‑696	6.0‑7.0	10⁻⁵/K
Electrical Properties	Volume Resistivity	ASTM D‑257	2.1 × 10¹⁶	Ω·cm
	Surface Resistivity	ASTM D‑257	10¹⁵	Ω
	Dielectric Constant (10⁶ Hz)	ASTM D‑150	2.85 (25.2 pF/m)	‑
	Dielectric Loss Tangent (10⁶ Hz)	ASTM D‑150	0.0082	‑
	Dielectric Strength	ASTM D‑149	18‑22	MV/m
Flame Retardant Performance	UL94 Rating (1.6 mm)	UL 94	HB	‑

Injection Molding Processing Parameters

Processing Stage	Process Parameter	Suggested Value / Range	Unit	Remarks
Pre‑drying	Drying Temperature	120	°C	Critical requirement
	Drying Time	4‑8	h	Ensure moisture content＜0.02%
	Recommended Dew Point	＜‑40 °C (dehumidifying dryer recommended)	°C	General PC standard
Injection Temperature	Rear Barrel Temperature	260‑280	°C	Example value
	Middle Barrel Temperature	270‑290	°C	Example value
	Front Barrel Temperature	270‑300	°C	Example value
	Nozzle Temperature	270‑300	°C	Example value
	Melt Temperature	280‑310	°C	‑
	Mold Temperature	50‑120	°C	Higher mold temperature improves surface appearance, facilitates demolding and reduces residual stress
Injection Pressure & Speed	Injection Pressure (Screw‑Type)	70‑140	MPa	‑
	Injection Pressure (Plunger‑Type)	100‑160	MPa	‑
	Holding Pressure	50%‑80% of injection pressure	MPa	‑
	Injection Speed	Medium‑to‑fast	‑	Take advantage of its high flowability
Other Parameters	Screw Speed	Medium (40‑70 recommended)	rpm	Avoid excessive shear and overheating
	Back Pressure	Moderate (0.3‑0.7 recommended)	MPa	Beneficial for melt homogenization; excessive back pressure causes temperature rise
	Cushion	2‑6	mm	‑

Disclaimer: All above data is for reference only.