Physical and Mechanical Properties
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Values are based on material 0.030 x 1/2 inch and will vary from those for other thickness to width ratios.
Truflex Type
 ASTM Flexivity,       (in/in)/DegºF x 10-7 Maximum sensitivity temp.
range ºF		 Useful
deflection
temp.
 range ºF		 Recom.
 max.
 temp ºF		 Modulus of elast.
E, lbs/sq.in. x 10 6		 Electrical resistivity at 75 ºF Density
 lb./cu.in.		 ASTM type Remarks
50º -200ºF
 temp.
 range		 Maximum
 sensitivity
 temp.
range		 ohms
 cm/ft		 ohms
 sq.m/ft
B1
 150 147 0 to 300 -100 to 700 1000 25.0 475 373 0.295 TM1 Best all purpose
0 - 300ºF
B2
 129 132 100 to 550 -100 to 1000 1000 25.0 440 346 0.295 TM6 Best all purpose
100 - 550ºF
B3
 118 122 200 to 600 -100 to 1000 1000 25.5 415 326 0.296 TM30 Best all purpose
200 - 600ºF
B11
 140 145 150 to 450 -100 to 1000 1000 25.0 452 355 0.295   Best all purpose
150 - 450ºF
BP1
 185 185 0 to 300 -100 to 500 800 20.0 650 511 0.277   Better corrosion resistance than P675R
BP10
 144 144 0 to 300 -100 to 500 800 19.5 675 530 0.275   Better corrosion resistance than P675R
BP570R
 143 143 0 to 300 -100 to 500 800 21.5 565 444 0.284   Elect resistivity - medium flexivity
BP840R
 109 109 0 to 300 -100 to 500 800 18.0 840 660 0.267   high resistivity - low flexivity
B100R
 106 105 0 to 300 -100 to 700 1000 27.5 100 79 0.308 TM9 Elect resistivity - medium flexivity
B125R
 121 120 0 to 300 -100 to 700 1000 27.0 125 98 0.305 TM10 Elect resistivity - medium flexivity
B150R
 132 131 0 to 300 -100 to 700 1000 26.5 150 118 0.303 TM11 Elect resistivity - medium flexivity
B175R
 137 136 0 to 300 -100 to 700 1000 26.0 175 137 0.301 TM12 Elect resistivity - medium flexivity
B200R
 141 139 0 to 300 -100 to 700 1000 26.0 200 157 0.300 TM13 Elect resistivity - medium flexivity
B250R
 147 145 0 to 300 -100 to 700 1000 25.5 250 196 0.298 TM14 Elect resistivity - medium flexivity
B300R
 148 146 0 to 300 -100 to 700 1000 25.5 300 236 0.297 TM15 Elect resistivity - medium flexivity
B350R
 149 147 0 to 300 -100 to 700 1000 25.0 350 275 0.295 TM16 Elect resistivity - medium flexivity
B400R
 150 148 0 to 300 -100 to 700 1000 25.0 400 314 0.295 TM17 Elect resistivity - medium flexivity
C1
 152 149 0 to 300 -100 to 700 1000 25.0 483 379 0.295 TM35 Good all purpose, high strength
C3
 119 131 200 to 600 -100 to 800 1000 25.0 415 326 0.296 TM18 Good all purpose
200 - 600ºF
C11
 144 150 150 to 450 -100 to 900 1000 25.0 456 358 0.295 TM19 Good all purpose
50 - 450ºF
E1
 137 135 0 to 300 -100 to 700 1000 25.0 500 393 0.295 TM36 Good all purpose 0 - 300ºF higher resist.
E3
 104 122 200 to 600 -100 to 1000 1000 25.5 435 342 0.295 TM3 Good all purpose 200 - 600ºF
E4
 86 109 250 to 700 -100 to 1000 1000 26.0 400 314 0.296 TM4 Best all purpose 250 - 700ºF
E5
 64 83 300 to 800 -100 to 1000 1000 26.5 345 271 0.297 TM5 Best all purpose 300 - 800ºF
F15R
 70 69 0 to 300 -100 to 500 700 19.5 15 12 0.315   Elect resistivity - medium flexivity
F20R
 131 129 0 to 300 -100 to 500 700 20.0 20 16 0.309 TM24 Elect resistivity - medium flexivity
F25R
 135 132 0 to 300 -100 to 500 700 21.0 25 20 0.307   Elect resistivity - medium flexivity
F30R
 140 137 0 to 300 -100 to 500 700 21.5 30 24 0.305 TM25 Elect resistivity - medium flexivity
F35R
 143 140 0 to 300 -100 to 500 700 22.0 35 27 0.303   Elect resistivity - medium flexivity
F40R
 144 141 0 to 300 -100 to 500 700 22.0 40 31 0.302   Elect resistivity - medium flexivity
F50R
 147 144 0 to 300 -100 to 500 700 23.0 50 39 0.300 TM26 Elect resistivity - medium flexivity
F60R
 146 143 0 to 300 -100 to 500 700 23.5 60 47 0.300   Elect resistivity - medium flexivity
F70R
 147 144 0 to 300 -100 to 500 700 24.0 70 55 0.299 TM27 Elect resistivity - medium flexivity
F90R
 148 145 0 to 300 -100 to 500 700 24.0 90 71 0.298 TM28 Elect resistivity - medium flexivity
F100R
 149 146 0 to 300 -100 to 500 700 24.0 100 79 0.297   Elect resistivity - medium flexivity
F125R
 149 146 0 to 300 -100 to 500 700 24.0 125 98 0.297   Elect resistivity - medium flexivity
G1
 138 136 0 to 300 -100 to 700 1000 25.0 479 376 0.295 TM20 Good all purpose
0 - 300ºF
G7
 63 63 0 to 800 -100 to 1000 1000 27.5 445 350 0.286   Linear flexivity
0 - 800ºF
GB14
 101 100 0 to 300 -100 to 1000 1000 27.0 511 401 0.294   High corrosion resistance
J7
 56 56 0 to 625 -100 to 500 625 22.0 106 83 0.303   Best corrosion resistance
LA1
 158 156 0 to 300 -100 to 700 1000 25.0 476 374 0.292 TM29 Good all purpose
0 - 300ºF, European
LA20R10
 134 132 0 to 300 -100 to 500 700 20.0 20 16 0.309   Elect resistivity - medium flexivity
LA35R10
 150 147 0 to 300 -100 to 500 700 22.0 35 27 0.301   Elect resistivity - medium flexivity
LA70R10
 156 153 0 to 300 -100 to 500 700 24.0 66 52 0.296   Elect resistivity - medium flexivity
LA200R10
 155 153 0 to 300 -100 to 700 1000 26.0 210 165 0.296   Elect resistivity - medium flexivity
LA3
 122 126 200 to 600 -100 to 1000 1000 25.5 421 331 0.292   Best all purpose
200 - 600ºF
LA55R30
 120 123 0 to 300 -100 to 500 700 23.0 54 42 0.298   Elect resistivity - medium flexivity
N1
 102 101 0 to 300 -100 to 500 1000 26.0 92 72 0.308 TM22 Low resistivity and flexivity
P3
 183 213 200 to 600 -100 to 600 800 20.5 565 444 0.276 TM23 Flexivity increases uniformly w/temp.
P30R
 189 188 0 to 400 -100 to 500 700 19.0 30 24 0.296 TM31 Elect resistivity - high flexivity
P35R
 198 197 0 to 400 -100 to 500 700 19.0 35 27 0.291   Elect resistivity - high flexivity
P40R
 201 200 0 to 400 -100 to 500 700 19.0 40 31 0.288   Elect resistivity - high flexivity
P50R
 208 207 0 to 400 -100 to 500 700 19.0 50 39 0.286 TM33 Elect resistivity - high flexivity
P70R
 214 212 0 to 400 -100 to 500 700 19.0 70 55 0.283 TM34 Elect resistivity - high flexivity
P100R
 215 213 0 to 400 -100 to 500 800 19.0 100 79 0.282   Elect resistivity - high flexivity
P150R
 217 216 0 to 400 -100 to 500 800 19.5 150 118 0.279   Elect resistivity - high flexivity
P1
 211 210 0 to 400 -100 to 500 800 21.0 300 236 0.277   Elect resistivity - high flexivity
P350R
 216 215 0 to 400 -100 to 500 800 20.5 350 275 0.276   Elect resistivity - high flexivity
P500R
 203 202 0 to 400 -100 to 500 800 21.5 500 393 0.281   Elect resistivity - high flexivity
P675R
 217 216 0 to 400 -100 to 500 800 19.0 675 530 0.276 TM2 Most active and economical
P850R
 156 153 0 to 400 -100 to 500 800 18.0 850 668 0.267 TM8 Highest resistivity
SB175R
 128 127 0 to 300 -100 to 700 1000 26.0 175 137 0.291   Elect resistivity - low cost interliner
SB250R
 142 140 0 to 300 -100 to 700 1000 25.5 250 196 0.293   Elect resistivity - low cost interliner
SB300R
 145 143 0 to 300 -100 to 700 1000 25.5 300 236 0.294   Elect resistivity - low cost interliner