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Makrolon? DP1-1821

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon DP1-1821
Product Quantity: 25KG / BAG
Product Features: Good Mold Release，High Purity，High Viscosity

Product information

Makrolon? DP1-1821

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300 °C/1.2 kg) 6.0 cm3/10 min; lenses, optical; high viscosity; UV stabilized; easy release; high purity; injection molding - melt temperature 280 - 320 °C; available in clear tints only

Additive	UV Stabilizer
Features	Good Mold Release，High Purity，High Viscosity
Uses	Lenses，Optical Applications
RoHS Compliance	RoHS Compliant
Appearance	Clear/Transparent
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm3	ISO 1183
Apparent (Bulk) Density 2	0.66	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	6.5	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.366	in3/10min	ISO 1133
Molding Shrinkage
Across Flow	0.60 to 0.80	%	ISO 2577
Flow	0.60 to 0.80	%	ISO 2577
Across Flow : 0.0787 in 3	0.75	%	ISO 294-4
Flow : 0.0787 in 3	0.70	%	ISO 294-4
Water Absorption			ISO 62
Saturation, 73°F	0.30	%
Equilibrium, 73°F, 50% RH	0.12	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness	16500	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	348000	psi	ISO 527-2/1
Tensile Stress			ISO 527-2/50
Yield, 73°F	9570	psi
Break, 73°F	10200	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.2	%
Break, 73°F	130	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Flexural Modulus 4 (73°F)	348000	psi	ISO 178
Flexural Stress 4			ISO 178
73°F	14200	psi
3.5% Strain, 73°F	10700	psi
Flexural Strain at Flexural Strength 5 (73°F)	7.0	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 6			ISO 7391
-22°F, Complete Break	6.7	ft·lb/in2
73°F, Partial Break	38	ft·lb/in2
Charpy Unnotched Impact Strength			ISO 179/1eU
-76°F	No Break
-22°F	No Break
73°F	No Break
Notched Izod Impact Strength 7			ISO 7391
-22°F, Complete Break	7.1	ft·lb/in2
73°F, Partial Break	33	ft·lb/in2
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	51.6	ft·lb
73°F	44.3	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1460	lbf
73°F	1260	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	280	°F	ISO 75-2/B
264 psi, Unannealed	257	°F	ISO 75-2/A
Glass Transition Temperature 8	293	°F	ISO 11357-2
Vicat Softening Temperature
--	291	°F	ISO 306/B50
--	297	°F	ISO 306/B120
Ball Pressure Test (279°F)	Pass		IEC 60695-10-2
CLTE			ISO 11359-2
Flow : 73 to 131°F	3.6E-5	in/in/°F
Transverse : 73 to 131°F	3.6E-5	in/in/°F
Thermal Conductivity 9 (73°F)	1.4	Btu·in/hr/ft2/°F	ISO 8302

Flammability	Nominal Value	Unit	Test Method
Oxygen Index 10	27	%	ISO 4589-2
Flash Ignition Temperature	896	°F	ASTM D1929
Self Ignition Temperature	1022	°F	ASTM D1929

Optical	Nominal Value	Unit	Test Method
Refractive Index 11	1.586		ISO 489
Transmittance			ISO 13468-2
39.4 mil	89.0	%
78.7 mil	89.0	%
118 mil	88.0	%

Additional Information	Nominal Value
ISO Shortname	ISO 7391-PC,MLR,(,,)-09-9

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