Table:
text: Polyamide-imide
Properties of molded PAI
Wear-resistant PAI grades
Property Test_method units _4275 _4301 _4435 _4630 _4645_
Tensile Strength ASTM D 638 MPa (kpsi) 117 (16.9) 113 (16.4) 94 (13.6) 81 (11.8) 114 (16.6)
Tensile Modulus ASTM D 638 GPa (kpsi) 8.8 (1,280) 6.8 (990) 14.5 (2,100) 7.4 (1,080) 18.6 (2,700)
Tensile Elongation ASTM D 638 % 2.6 3.3 1.0 1.9 0.8
Flexural Strength ASTM D 790 MPa (kpsi) 208 (30.2) 215 (31.2) 152 (22.0) 131 (19.0) 154 (22.4)
Flexural Modulus ASTM D 790 GPa (kpsi) 7.3 (1.060) 6.9 (1,000) 14.8 (2,150) 6.8 (990) 12.4 (1,800)
Compressive Strength ASTM D 695 MPa (kpsi) 123 (17.8) 166 (24.1) 138 (20.0) 99 (14.4) 157 (22.8)

text: Polyamide-imide
Properties of molded PAI
Wear-resistant PAI grades
Property Test_method units _4275 _4301 _4435 _4630 _4645_
Izod Impact Strength, Notched ASTM D 256 J/m (ft-lb/in) 85 (1.6) 64 (1.2) 43 (0.8) 48 (0.9) 37 (0.7)
Izod Impact Strength, Unnotched ASTM D 4812 J/m (ft-lb/in) 270 (5) 430 (8) 210 (4) 160 (3) 110 (2)
Heat Deflection Temperature at 264 psi ASTM D 648 °C (°F) 280 (536) 279 (534) 278 (532) 280 (536) 281 (538)
Coefficient Linear Thermal Expansion ASTM D 696 ppm/°C (ppm/°F) 25 (14) 25 (14) 14 (8) 16 (9) 9 (3)

Question: Which test method is most commonly used for Polyamideimide?

Question: What is the total number of properties in the table for polyamideimide?