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High Impact Polystyrene (HIPS)

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The HIPS (High Impact) polystyrene is a polymer obtained from the styrene monomer, added to 5% up to 15% of polybutadiene. The microscopic particles generated along the process transform properties of the polystyrene, enhancing impact resistance and stretching capacity. In addition, it gets also opaque and rigid, but non-toxic.

The HIPS is developed in different grades, one for each specific necessity. Some uses:

Product

IF (g/10 min)

IZOD (J/m)

Uses

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Product

825E

IF (g/10 min)

3,0

IZOD (J/m)

140

Uses

EXTRUDED SHEETS, PACKAGES, DISPOSABLE ITEMS,HANDLES, FURNITURE ITEMS

Product

R 940D

IF (g/10 min)

3,5

IZOD (J/m)

200

Uses

IT HAS HIGH CHEMICAL RESISTANCE (ESCR), ALLOWING THE REDUCTION OF THICKNESS FOR APPLICATIONS IN REFRIGERATION. IT HAS GOOD MECHANICAL AND IMPACT PROPERTIES AND IT IS USED IN INTERNAL BOXES, REFRIGERATORS INTERNAL PARTS, PACKAGING FOR FATTY PRODUCTS AND EDGE RIBBONS.

Product

R 870E

IF (g/10 min)

4

IZOD (J/m)

145

Uses

HIGH IMPACT POLYSTYRENE WITH AN EXCELLENT BALANCE BETWEEN RIGIDITY AND IMPACT. IT IS RECOMMENDED FOR THE SHEET EXTRUSION SEGMENT AND ADDING CRYSTAL PS, ALLOWS OBTAINING A WIDER INTERVAL WITH DIFFERENT LEVELS OF RIGIDITY.

Product

R 970E

IF (g/10 min)

4

IZOD (J/m)

160

Uses

POLYSTYRENE WITH SUPER HIGH IMPACT RESISTANCE AND GOOD RIGIDITY. IT IS A ROBUST GRADE RECOMMENDED FOR APPLICATIONS IN WHICH MECHANICAL PROPERTIES ARE REQUIRED.

Product

825

IF (g/10 min)

5,5

IZOD (J/m)

110

Uses

ELECTRONICS, CIVIL ENGINEERING, SCHOOL AND OFFICE SUPPLIES,COOLING,TOYS, DISPOSABLE ITEMS, HOUSEHOLD APPLIANCES.

Product

R 350L G2

IF (g/10 min)

5,5

IZOD (J/m)

60

Uses

THIS GRADE DOES NOT HAVE AN STYRENICS COMPETITOR. IT IS USED IN THE TRANSPARENT DISPOSABLE MARKET, OBTAINED BY THE PROCESS OF EXTRUSION AND THERMOFORMING. AS IT HAS AN EXCELLENT GLOSS AND DOES NOT NEED COVERING, IT CAN BE USED IN THE CO-EXTRUDER INCREASING PRODUCTIVITY.

Product

RC 600

IF (g/10 min)

6

IZOD (J/m)

70

Uses

VERY HIGH GLOSS GRADE MOSTLY USED IN INJECTED PARTS REQUIRING EXCELLENT FINISHING ON THEIR SURFACE. IT IS USED IN THE CO-EXTRUSION OF HIPS SHEETS AS GLOSSY COVERING. IT SUBSTITUTES ABS IN AESTHETIC PARTS. ELECTRO-ELECTRONICS, APPLIANCES AND FURNITURE ACCESSORIES.

Product

RT 441M

IF (g/10 min)

6,5

IZOD (J/m)

115

Uses

GRADE WITH THE SECOND HIGHER FLOW INDEX, ALLYING FLOW WITH A HIGH DEGREE OF TENACITY AND RIGIDITY. IT HAS AN INTERMEDIARY GLOSS, BETWEEN RC 600/R 350L AND THE OTHERS HIPS. IT IS USED IN INJECTED PARTS, ELECTRO-ELECTRONICS, MAINLY IN ASSISTED GAS INJECTION.