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HIPS Modified Series

HIPS is the modified material of PS, characterized by high impact strength and toughness, discretionary coloring, molding processability, chemical resistance and sound electrical performance. However, limited by its natural features, it is required to be further modified in many applications. Lijia Company uses advanced technologies to modify the impact resistance, UV absorption, heat resistance, flame retardancy of HIPS and develops a series of products with excellent comprehensive performance which are widely used in the shell of household electric appliances such as washing machine, air conditioner and electric fan, etc.

Performance and application of typical products:

 

Material Grade Characteristics Applications
HIPS AB571 High flow & high gloss Electrical products such as washing machine and air conditioner
AH561 High flow & high impact resistance Computer base, TV back cover & OA products
BT541 High gloss & heat resistance Electric fan, household appliance shell & dehumidifier shell
HW551 Weather resistance & high impact resistance Refrigerator parts & computer keyboard
HF583 Environment-friendly flame retardancy V-2 & high impact resistance Sound enclosure
HF585 Environment-friendly flame retardancy V-0 & high impact resistance TV case & sound enclosure

(Note: products of special specifications and colors may be developed according to different requirements of customers.)

Performance parameters of typical products::

 

Item Unit Standard Grade of HIPS of Nanjing Lijia
ISO AB571 AH561 BT541 HW551 HF583 HF585
Tensile strength Mpa 527 30 28 27 27 25 26
Elongation at break % 527 45 46 45 50 45 40
Bending strength Mpa 178 48 40 42 38 37 36
Bending modulus Mpa 178 2200 2100 2150 2000 2000 1900
IZOD notched impact KJ/m2 180/1A 10 11 10.5 11 11 10
Rockwell hardness R 2039/2 110 100 102 98 96 96
Density g/cm3 1183 1.06 1.04 1.04 1.05 1.12 1.16
Melt flow rate g/10min 1133 9 12 10 13 18 25
Molding shrinkage % 294/4 0.4-0.6 0.4-0.6 0.4-0.6 0.4-0.6 0.4-0.6 0.4-0.6
Heat distortion temperature 75 72 78 75 76 75 75
Flame retardancy Class UL-94 HB HB HB HB V-0 V-0

(Note: the above test data are measured in our laboratory, for reference only.)

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