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Modified PBT

Model: Samples Figure

The above pictures are for reference only, according to the real object accurately. To meet customer needs, we can specially made according to the properties of the product by R&am
Model Specification Manual
Item Test method Unit Conditions Grade
ASTM G30 F0 GF10 GF15 GF20 GF30
Physical properties
Density D792 1.55 1.48 1.52 1.54 1.60 1.65
Moisture Absorption D570 % 23,24hr 0.09 0.10 0.09 0.08 0.07 0.06
Molding shrinkage D955 % 0.4-0.8 1.4-2.0 0.6-1.1 0.5-0.9 0.4-0.8 0.4-0.8
Mechanical properties
Tensile strength D638 Mpa 115 50 76 88 92 120
Elongation at break D638 % 4 - 4 4 4 3
Bending strength D790 Mpa 180 85 110 140 160 180
Bendingl modulus D790 Mpa 8.0* 2.2* 4.0* 5.0* 6.0* 8.0*
Bending strength
Bendingl modulus D256 J/m 3.2mm 80 30 40 50 70 80
Charpy impact strength ISO179
Non gap 40 40 30 35 40 48
Gap 9 4 6 7 8 9
Thermal properties
Temperature of thermal deformation D648 1.82Mpa 205 55 185 195 200 205
Coefficient of linear expansion D696 1/ -30+30 2.5* 8.0* 4.1* 3.8* 3.5* 2.5*
Combustion UL-94 3.2mm Thick HB V-0 V-0 V-0 V-0 V-0
Electrical properties
Dielectric constant D150 3.0 3.0 3.2 3.3 3.5 3.5
Dielectric loss angle tangent D150 2.5* 2.0* 2.0* 2.0* 2.0* 2.0*
Volume resistivity D257 Ω.m
Dielectric strength D149 MV/m 2mm Thick 21 19 20
Technology characteristics 30% Glass fiber reinforced, heat-resistant Good fluidity Impact resistance 10% Glass fiber reinforced 15% glass fiber reinforced flame retardant 20% Glass fiber reinforced, heat-resistant 30% Glass fiber reinforced, heat-resistant
Molding conditions Grade Cylinder temperature  Nozzle temperature  Mold temperature Screw speed(rpm) Injection pressure(Mpa)
201-G30 225-255 245 40-80 ≤100 80-120
301-G0 301-G10 225-245 240 40-80 ≤100 40-100
301-G20 301-G30 225-250 240 40-80 ≤100 60-120
Note: the above data is not the product of standard factory. For reference only.
PBT series products are mainly typical performance models
Item Test method Unit Conditions Grade
ASTM RPBT GF30B GF20B GF30E GT20 GT30
Physical properties
Density D792 1.40 1.60 1.60 1.65 1.55 1.60
Moisture Absorption D570 % 23,24hr 0.10 0.08 0.07 0.07 0.06 0.06
Molding shrinkage D955 % 1.4-2.0 0.4-0.9 0.4-0.8 0.4-0.7 0.4-0.6 0.3-0.5
Mechanical properties
Tensile strength D638 Mpa 45 110 110 120 67 80
Elongation at break D638 % - 3 4 4 4 3
Bending strength D790 Mpa 80 160 155 167 95 105
Bendingl modulus D790 Mpa 2.5* 7.0* 5.0* 7.0* 4.0* 5.0*
Bending strength
Bendingl modulus D256 J/m 3.2mm 28 69 70 75 30 50
Charpy impact strength ISO179
Non gap 25 38 46 46 25 23
Gap 3 7 9 10 4 6
Thermal properties
Temperature of thermal deformation D648 1.82Mpa 80 200 200 205 120 160
Coefficient of linear expansion D696 1/ -30+30 7.0* 2.5* 3.6* 2.6* 2.5* 2.2*
Combustion UL-94 3.2mm Thick V-0 V-0 V-0 V-0 V-0 V-0
Electrical properties
Dielectric constant D150 3.0 3.3 3.0 3.0 3.0 3.0
Dielectric loss angle tangent D150 2.0* 2.0* 2.0* 2.0* 2.0* 2.0*
Volume resistivity D257 Ω.m
Dielectric strength D149 MV/m 2mm Thick
Technology characteristics Flame of low precipitation 30% glass fiber reinforced, flame retardant, low precipitation sex 20% glass fiber reinforced, flame retardant, anti-UV-precipitation 30% glass fiber reinforced, flame retardant, anti-UV-precipitation Mineral glass filled, flame retardant, anti-smooth surface warping high electrical performance Mineral glass filled, flame retardant, anti-warping high electrical performance
Molding conditions Grade Backpressure(Mpa) Injection time(sec) Dwell time(sec) Smaller production Larger production
201-G30 8-18 3-15 2-5 15-30 40-60
301-G0 301-G10 4-15 3-15 2-5 15-30 40-60
301-G20 301-G30 6-18 3-15 2-5 15-30 40-60
Note: the above data is not the product of standard factory. For reference only.
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