covestro makrolon 2456 food contact grade pc

Covestro Makrolon 2456 PC | Food grade

Material attribute: ·Food contact grade ·FDA certificated

Package: 25 KG/Bag

Melt volume rate (MVR):19 cm³/10min (300℃ 1.2kg)

Get Quotation

Covestro Makrolon 2456 PC Description

Makrolon 2456 is a food-grade polycarbonate (PC) manufactured by Covestro AG. It is certified under FDA Class 21 for food contact, has a melt volume rate of 19 cm³/10 min, and is suitable for injection molding equipment used in the production of thin-walled, complex, and food-contact applications.

Covestro Makrolon 2456 PC Advantage

Food grade PC, As a food grade PC material, Makrolon 2456 complies with the food contact regulation FDA 21 CFR 177.1580 and offers excellent safety performance, making it safe for use in food contact applications.^[1]
Balanced mechanical properties. Makrolon 2456 food-grade PC offers balanced performance characteristics, with a tensile modulus of 2400 MPa and a flexural modulus of 2350 MPa, The Charpy notched impact strength is 65 kJ/m² under test conditions of 23°C and 3 mm; it offers moderate strength and impact resistance, making it suitable for the vast majority of applications.
Good processability. Covestro Makrolon 2456 food-grade PC has a melt volume rate (MVR) of 19 cm³/10 min under test conditions of 300°C and 1.2 g/cm². Its high melt flow rate and low viscosity facilitate the production of thin-walled and complex products.

Why choose Baiyou as Covestro Makrolon 2456 PC supplier?

Leading food grade polycarbonate supplier (PC material) , 20+ years of experience in plastic product manufacturing and chemical raw material import and export
Fastest Arrival, with warehouses in multiple ports
1,000+ types of resins are available, and we have cooperated with large petrochemical groups for 30+ years
Free Samples for production testing
Wholesale price, even a piece of goods is based on the wholesale price

Key Attributes

Covestro Makrolon 2456 PC
Product information
Manufacturer		Covestro AG
Other Certificates		MSDS
Part Marking Code		>PC material<
Color		Transparent polycarbonate
Material Shape		PC Pellets
Process		Injection molding
Certificated		FDA 21 CFR 177.1580
Features		·Food contact
Physical properties	Standard	Value	Unit
Density	ISO 1183	1200	kg/m³
Melt volume-flow rate, MVR at 300℃/1.2kg	ISO 1133	19	cm³/10min
Mold shrinkage, parallel, 60602 mm/ 500 bar	ISO 294-4	0.65	%
Mold shrinkage, normal, 60602 mm/ 500 bar	ISO 294-4	0.70	%
Mold shrinkage, parallel/normal Value range based on general practical experience	ISO 2577	0.50-0.70	%
Water absorption (Saturation value), water at 23℃	ISO 62	0.3	%
Water absorption (Equilibrium value), 23℃ 50% r.h.	ISO 62	0.12	%
Bulk density	ISO 60	660	g/cm³
Gas transmission rate, Carbon dioxide/ 25.4 μm (1 mil) film	ISO 2556	18900	cm³/(㎡·24h·bar)
Gas transmission rate, Carbon dioxide/ 100 μm film	ISO 2556	4000	cm³/(㎡·24h·bar)
Gas transmission rate, Nitrogen/ 25.4 μm (1 mil) film	ISO 2556	630	cm³/(㎡·24h·bar)
Gas transmission rate, Nitrogen/ 100 μm film	ISO 2556	130	cm³/(㎡·24h·bar)
Gas transmission rate, Oxygen/ 25.4 μm (1 mil) film	ISO 2556	3150	cm³/(㎡·24h·bar)
Gas transmission rate, Oxygen/ 100 μm film	ISO 2556	700	cm³/(㎡·24h·bar)
Mechanical behavior 23℃/ 50% r.h.	Standard	Value	Unit
Tensile modulus, 1mm/min	ISO 527-1,-2	2400	MPa
Yield stress, 50 mm/min	ISO 527-1,-2	65	MPa
Yield strain, 50 mm/min	ISO 527-1,-2	6.2	%
Nominal strain at break	ISO 527-1,-2	＞50	%
Strain at break	ISO 527-1,-2	130	%
Stress at break	ISO 527-1,-2	70	MPa
Flexural modulus, 2 mm/min	ISO 178	2350	MPa
Flexural strength, 2 mm/min	ISO 178	97	MPa
Flexural strain at flexural strength, 2 mm/min	ISO 178	7.1	%
Flexural stress at 3.5 % flexural strength, 2 mm/min	ISO 178	73	MPa
Ball indentation hardness	ISO 6603-2	115	N/m㎡
Tensile creep modulus, 1000 h	ISO 899-1	1900	MPa
Tensile creep modulus, 1 h	ISO 899-1	2200	MPa
Impact	Standard	Value	Unit
Izod impact strength, notched -30 ℃ / 3 mm	ISO 180/A	15	kJ/㎡
Izod impact strength, notched 23 ℃ / 3 mm	ISO 180/A	65	kJ/㎡
Charpy impact strength, notched 23℃ / 3 mm	ISO 179/1eA	65	kJ/㎡
Charpy impact strength, notched -30℃ / 3 mm	ISO 179/1eA	14	kJ/㎡
Puncutre impact behavior, maximum force, -30 ℃	ISO 6603-2	6000	N
Puncutre impact behavior, maximum force, 23 ℃	ISO 6603-2	5100	N
Puncutre impact behavior, puncture energy, -30 ℃	ISO 6603-2	65	J
Puncutre impact behavior, puncture energy, 23 ℃	ISO 6603-2	55	J
Thermal	Standard	Value	Unit
Vicat Softening Temperature, 50 N; 120℃/h	ISO 306	146	°C
Vicat Softening Temperature, 50 N; 50℃/h	ISO 306	145	°C
Thermal conductivity, through plane 23℃ 50 % r.h.	ISO 8302	0.2	W/m·℃
Glass transition temperature, 10℃/min	ISO 11357-1, -2	146	℃
Coefficient of linear thermal expansion (CLTE), parallel 23-55℃	ISO 11359-1, -2	0.65	10⁻⁴/K
Coefficient of linear thermal expansion (CLTE), normal 23-55℃	ISO 11359-1, -2	0.65	10⁻⁴/K
Temp. of deflection (HDT), 0.45 MPa	ISO 75-1, -2	138	℃
Temp. of deflection (HDT), 1.8 MPa	ISO 75-1, -2	125	℃
Burning behavior, 2.7mm	UL 94	HB
Burning behavior, 0.75mm	UL 94	V-2
Burning rate (FMVSS-302) ≥1.0 mm	ISO 3795	Passed
Oxygen index, method A	ISO 4589-2	28	%
Resistance to heat (Ball pressure test)	IEC 60695-10-2	138	℃
Relative Temp. Index (RTI, tensile impact strength), 1.5mm	UL 746B	115	℃
Relative Temp. Index (RTI, electric strength), 1.5mm	UL 746B	125	℃
Glow wire test (GWFI) 3.0 mm	IEC 60695-2-12	930	℃
Glow wire test (GWFI) 1.5 mm	IEC 60695-2-12	875	℃
Glow wire test (GWFI) 0.75 mm	IEC 60695-2-12	850	℃
Glow wire test (GWIT) 3.0 mm	IEC 60695-2-13	875	℃
Glow wire test (GWIT) 1.5 mm	IEC 60695-2-13	875	℃
Glow wire test (GWIT) 0.75 mm	IEC 60695-2-13	875	℃
Needle-flame test, Method F 3.0 mm	DIN 53438-1,-3	120	℃
Needle-flame test, Method F 2.0 mm	DIN 53438-1,-3	120	℃
Needle-flame test, Method F 1.5 mm	DIN 53438-1,-3	60	℃
Needle-flame test, Method K 3.0 mm	DIN 53438-1,-3	10	℃
Needle-flame test, Method K 2.0 mm	DIN 53438-1,-3	5	℃
Needle-flame test, Method K 1.5 mm	DIN 53438-1,-3	5	℃
Flash-ignition temperature	ASTM D1929	480	℃
Spontaneous-ignition temperature	ASTM D1929	550	℃
Electrical properties (23 ℃/50 % r.h.)	Standard	Value	Unit
Relative permittivity, 1 MHz	IEC 60250	3.0
Relative permittivity, 100 Hz	IEC 60250	3.1
Volume resistivity	IEC 62631-3-1	1E16	Ω·m
Surface resistivity	IEC 62631-3-2	1E16	Ω
Dielectric dissipation factor,1 MHz	IEC 60250	90	10⁻⁴
Dielectric dissipation factor,100 MHz	IEC 60250	5	10⁻⁴
Electric strength, 1mm	IEC 60243-1	34	kV/mm
Comparative tracking index (CTI), solution A	IEC 60112	250
Comparative tracking index (CTI M), solution B	IEC 60112	125
Electrolytic corrosion	IEC 60426	A1
Flame retardant	Standard	Value	Unit
UL recognized, 94HB Flame Class Rating	UL 94	0.7	mm
UL recognized, 94HB Flame Class Rating 2nd value	UL 94	3	mm
Glow wire flammability index 850℃, passes at	IEC 60695-2-12	1	mm
Oxygen index (LOI)	ISO 4589	25	%
Optical	Standard	Value	Unit
Light transmission	ISO 13468-2	87-89	%
Haze (clear transparent materials), 3mm	ISO 14782	<0.8	%
Refractive index, procedure A	ISO 489	1.586