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Makrolon? 1899

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 1899
Product Quantity: 25KG / BAG
Product Features: Flame Retardant、Good Mold Release、Impact Modified、Medium Viscosity

Product information

Makrolon? 1899

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300°C/1.2 kg) 16 cm3/10 min; special flame retardent system; UL 94V-0/0.75 mm; impact modified; medium viscosity; easy release; Vicat softening temperature 50 N, 50°C/h = 110°C; injection molding - melt temperature 240 - 280°C; available in opaque colors only; battery housing

Additive	Flame Retardant，Impact Modifier
Features	Flame Retardant，Good Mold Release，Impact Modified，Medium Viscosity
Uses	Battery Cases
RoHS Compliance	RoHS Compliant
Appearance	Colors Available，Opaque
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm3	ISO 1183
Apparent (Bulk) Density 3	0.64	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	17	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.976	in3/10min	ISO 1133
Molding Shrinkage 4			ISO 294-4
Across Flow : 536°F, 0.0787 in	0.65	%
Flow : 0.0787 in	0.60	%
Water Absorption			ISO 62
Saturation, 73°F	0.30	%
Equilibrium, 73°F, 50% RH	0.12	%

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	377000	psi	ISO 527-2/1
Tensile Stress			ISO 527-2/50
Yield, 73°F	9860	psi
Break, 73°F	8700	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	4.8	%
Break, 73°F	120	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Flexural Modulus 5 (73°F)	377000	psi	ISO 178
Flexural Stress 5			ISO 178
73°F	14500	psi
3.5% Strain, 73°F	11900	psi
Flexural Strain at Flexural Strength 6 (73°F)	5.8	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F	No Break
73°F	No Break
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	40.6	ft·lb
73°F	36.9	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1210	lbf
73°F	1010	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	221	°F	ISO 75-2/B
264 psi, Unannealed	205	°F	ISO 75-2/A
Vicat Softening Temperature	230	°F	ISO 306/B50
CLTE			ISO 11359-2
Flow : 73 to 131°F	3.9E-5	in/in/°F
Transverse : 73 to 131°F	3.9E-5	in/in/°F
RTI Elec (0.030 in)	176	°F	UL 746
RTI Imp (0.030 in)	176	°F	UL 746
RTI Str (0.030 in)	176	°F	UL 746

Electrical	Nominal Value	Unit	Test Method
Comparative Tracking Index			IEC 60112
Solution A	250	V
Solution B	100	V
Flammability	Nominal Value	Unit	Test Method
Flame Rating			UL 94
0.030 in	V-0
0.12 in	5VA
Glow Wire Flammability Index (0.04 in)	1760	°F	IEC 60695-2-12
Oxygen Index 7	35	%	ISO 4589-2
Flash Ignition Temperature	860	°F	ASTM D1929
Self Ignition Temperature	932	°F	ASTM D1929

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Makrolon? 1899

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