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)

Question: How often is Astm d 638 listed as a test method for polyamideimide?

Question: How many times does mpa -lrb- kpsi -rrb- appear under the units column for polyamideimide?