These are my factory's button pads and widely used in clutch disc for car, truck, tractor and so on. And I also attach some data of button pads of MIBA company that is a famous friction material company in the world. You can find MIBA pads are as same as my factory's button pads. In fact, my factory's button pads are MIBA OEM production.
Following are contrasting table of my factory's and MIBA's.
My part No. Miba part No.
FCM BHK110.280-BHK187.480
FCC BV110.280-BV229.580
FCH BH 125.320-BH 218.550
FCB GBV 125.320-GBV 218.550
FCA 4GB 138.350-4GB 199.505
FCI BD 138.350R- BD 197.500R
FCJ GBD 148.375- GBD 218.550
GBD 156.400R-GBD 218.550R
FCF 3GB 197.500-3GB 402.1020
FCG BHG 156.400-BHG 197.500
BHG/L 156.400-BHG/L 173.440