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PA6 & PA66 Modified Series

PA (nylon) has the advantages of high strength, wear resistance, corrosion resistance and self-lubricating property, but its characteristic of strong polarity makes it has the disadvantages of great moisture absorption, dimensional instability and high molding shrinkage rate which make its application affected. Lijia Company takes PA6 and PA66 as the resin body to develop several grades such as reinforced grade, flame retardant grade and toughened grade through blending modification widely used in the transportation, electronic, and machinery industries.

Performance and application of typical products:

Material Grade Characteristics Typical Applications
PA6 WH291 High impact resistance & weather resistance Sports equipment & machinery parts
TG226 30% glass fiber reinforcement & heat resistance Textile machinery parts, rail pad, auto water chamber, fan blade, bearing seat, door handle & gear
GM266 30% mineral glass fiber composite reinforcement & heat resistance
AF275 Flame retardancy & high flow Electronic terminal, case, connector, transformer bobbin & switch
GF286 Flame retardancy & 30% glass fiber reinforcement
PA66 WH394 High impact resistance & weather resistance Sports equipment
TG326 30% glass fiber reinforcement, heat resistance & high rigidity Auto fan, gear, rail pad, auto radiator water chamber & business machine gears
GM369 45% mineral glass fiber composite reinforcement, heat resistance & high rigidity
AF375 Flame retardancy & high flow Electronic terminal, case, connector, transformer bobbin & switch
GF396 30% glass fiber reinforcement, heat resistance & high rigidity

(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 PA6 of Nanjing Lijia Grade of PA66 of Nanjing Lijia
ISO WH291 TG226 GM266 AF275 GF286 WH394 TG326 GM369 AF375 GF396
Tensile strength Mpa 527 40 160 140 70 150 45 170 155 75 150
Elongation at break % 527 150 3 3 20 3 120 3 2 20 3
Bending strength Mpa 178 45 220 180 100 200 55 260 220 110 220
Bending modulus Mpa 178 2000 8000 6500 2600 7500 2500 8500 7600 2600 8000
IZOD notched impact KJ/m2 180/1A 90 14 10 4 8 95 12 8 4 7.5
Rockwell hardness R 2039/2 105 120 118 110 120 105 120 119 112 120
Density g/cm3 1183 1.11 1.36 1.35 1.15 1.62 1.10 1.36 1.48 1.16 1.63
Melt flow rate g/10min 1133 6 12 15 20 13 5 10 8 15 12
Molding shrinkage % 294/4 1.5-1.7 0.2-0.4 0.4-0.6 1.3-1.5 0.2-0.4 1.5-1.7 0.2-0.4 0.2-0.3 1.4-1.6 0.2-0.4
Heat distortion temperature 75 65 210 210 70 205 70 250 230 75 245
Flame retardancy Class UL-94 HB HB V-0 V-0 V-0 HB HB HB V-0 V-0

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

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