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POLYSTYRENE

*LADENE General Purpose Polystyrene Grades**
LADENE	MFI (g/10 min.)	VICAT ⁰C	Significant Features	Typical Applications
PS100	14	92	Easy flowing ,fast set up, excellent clarity.	Injection moulding of cutlery, tumblers and thin-wall multicavity parts.
PS125	7	95	Medium flow material with excellent balance of properties.	Injection moulding of medical, laboratory parts, housewares, and containers.
PS155	7	104	Medium flow , high heat grade	Foam extrusion and injection applications.
PS160	2.1	105	High molecular weight, high heat grade with excellent strength	Foam extrusion for thermoforming into food packaging items.

*Typical Properties of LADENE General Purpose Polystyrene Grades**
Property	Melt Flow Index	Density	Rock well Hard ness	Tensile Strength	Elong ation	Tensile Modulus	Izod Impact Strength (Notched)	Flex ural Stre ngth	Flex ural Modu lus	Heat Distor. temp	Vicat Softe ning point
Unit	g/10 min	g/cm³	--	MPa	%	MPa	Kgf.cm/cm	MPa	MPA	⁰ C	⁰ C
Test Method	ASTM D-1238	ASTM D-792	ASTM D-785	ASTM D-638	ASTM D-638	ASTM D-638	ASTM D-256	ASTM D-790	ASTM D-790	ASTM D-648	ASTM D-1525
PS100	14	1.05	L94 M64	40	2	2800	1.2	72	3500	87	92
PS125	7	1.05	L95 M63	43	2	2600	1.2	82	3500	90	95
PS155	7	1.05	L93 M60	45	2	3000	1.6	66	3600	100	104
PS160	2.1	1.05	L92 M58	51	2	3400	2.0	95	3600	100	105

*LADENE Impact Polystyrene Grades**
LADENE	MFI (g/10 min.)	VICAT ⁰C	Significant Features	Typical Applications
PS325	8.0	98	High impact material for injection molding.	Injection moulding of toys, appliance parts and structural foam applications.
PS330	3.0	99	Medium flow material with excellent balance of properties.	Custom sheet extrusion for thermoforming into cups and dairy containers.

*Typical Properties of LADENE Impact Polystyrene Grades**
Property	Melt Flow Index	Density	Rock well Hard ness	Tensile Strength	Elong ation	Tensile Modulus	Izod Impact Strength (Notched)	Flex ural Stre ngth	Flex ural Modu lus	Heat Distor. temp	Vicat Softe ning point
Unit	g/10 min	g/cm³	--	MPa	%	MPa	Kgf.cm/cm	MPa	MPA	⁰C	⁰C
Test Method	ASTM D-1238	ASTM D-792	ASTM D-785	ASTM D-638	ASTM D-638	ASTM D-638	ASTM D-256	ASTM D-790	ASTM D-790	ASTM D-648	ASTM D-1525
PS325	8.0	1.04	L60 M10	22	50	2800	9	35	2400	93	98
PS330	3.0	1.04	L67 M10	29	50	2800	11	44	2600	97	99

LADENE Expandable Polystyrene Resins (EPS)

Standard Grades
LADENE	Bead Diameter(mm)	*Density Range(Kg/m3)**	Typical Applications
EPS452	0.4 - 0.8	18 - 35	Fast cycle moulding of articles having wall thickness less than 10 mm.
EPS552	0.6 - 1.1	16 - 30	Fast cycle shape moulding e.g. boxes, industrial packaging.
EPS652	0.9 - 1.4	15 - 25	Fast cycle, thick wall shape moulding. Medium density block moulding.
EPS763	1.2 - 2.5	15 - 20	Fast cycle, low density block moulding.

Flame Retardant Grades
LADENE	Bead Diameter(mm)	*Density Range(Kg/m3)**	Typical Applications
EPS450FF	0.4 -0.8	17 - 35	Molding of thin-walled (5-10mm)articles.
EPS550FF	0.6 - 1.1	16 -30	Standard Block moulding.
EPS650FF	0.9 - 1.4	15 - 25	Medium and low density block moulding. Thick wall contour in shape moulding.
EPS760FF	1.2 - 2.5	14 - 20	Fast cycle low density block moulding with superior mechanical properties.

EPS Finished Article Properties
LADENE EPS	Density (kg/m³)20	Density (Kg/m³)30	Units	Test Method
Thermal conductivity	34-35	32-33	mW/m⁰K	DIN 52612
Water vapour permeability index(23 ⁰C & 85% R.H.)	300-350	200-250	Mg/m²s	DIN 63429
Minimum compression resistance at 10 % deformation	130	200	KPa	DIN 53421
Flexural strength at break	220 - 250	330 - 400	KPa	DIN 53423
Maximum temperature for a deformation of less than 5%	100	100	⁰C	DIN 53424