Polyrex® PH-88

Chemical Family: High-Impact Polystyrene (HIPS)Styrenics

POLYREX® PH-88 is a High Impact Polystyrene product. It is available in Africa & Middle East, Asia Pacific, Europe, Latin America, or North America.Characteristics include: Flame Rated RoHS Compliant Impact Resistant

Properties

Physical Form: Pellets
Solid

Product families

Plastics — Basic Thermoplastics

Styrenics

Other characteristics

Brand: Polyrex
Polymer Name: High Impact Polystyrene (HIPS)
Melt Flow Index: 6.0 - 6.0 g/10 min
Processing Methods: Injection Molding
Flame Rating: UL 94 HB
Technology: Plastics
Material Features: Impact Resistance
Country Availability: Brazil
Canada
China (Mainland)
Mexico
USA
Certifications and Compliance: RoHS Compliant
UL 94
Plastics and Elastomers Functions: Resin
Plastics and Elastomers Processing Methods: Injection Molding

Technical data

Table 1 of 4

12 rows

Characteristic	Value	Unit	Method
Tensile Strength	23.5	MPa	ASTM D 638
Stress at break	22	MPa	ISO 527
Yield stress	27	MPa	ISO 527
Flexural Strength	37.2	MPa	ASTM D790B
Flexural modulus, 23°	1200	MPa	ISO 178
Flexural Modulus	1931	MPa	ASTM D 790
Charpy notched impact strength (+23°)	11	kJ/m2	ISO 179/1eA
Izod Impact notched (1/8 in)	108	J/m	ASTM D 256
Izod notched impact strength, +23°	10	kJ/m2	ISO 180/1A
Izod Impact notched (1/4 in)	88.1	J/m	ASTM D 256
Ball indentation hardness	84	MPa	ISO 2039-1
Rockwell Hardness	75	Scale L	ASTM D 785

Table 2 of 4

3 rows

Characteristic	Value	Unit	Method
Melt Flow Index - MFI (200°C/0.5 kg)	6	g/10 min	ASTM D 1238
Melt Volume Flow Rate - MVR (200°C/0.5 kg)	5	cm3/10 min	ISO 1133
Density	1050	kg/m3	ISO 1183

Table 3 of 4

5 rows

Characteristic	Value	Unit	Method
Temperature of deflection under load (1.80 Mpa)	74	°C	ISO 75-1/-2
Thickness tested	1.5	mm	—
Vicat softening temperature	96	°C	ISO 306
Vicat Temperature	98.9	°C	ASTM D 1525
Burning Behavior at 1.5 mm nominal thickness	HB	class	IEC 60695-11-10

Table 4 of 4

1 row

Characteristic	Value	Method
Flame rating	HB	UL 94