In the United States, most building codes call for a minimum compressive strength of 300 lbf/in2 (2.07 newton/mm2) for the adobe block.
ɪnðə juːnˈaɪɾᵻd stˈeɪts, mˈoʊst bˈɪldɪŋ kˈoʊdz kˈɔːl fɚɹə mˈɪnɪməm kəmpɹˈɛsɪv stɹˈɛŋθ ʌv θɹˈiːhˈʌndɹɪd ˌɛlbˌiːˈɛf slˈæʃ ɪn tˈuː tˈuː.zˈiəɹoʊ sˈɛvən nˈuːtən slˈæʃ ˌɛmˈɛm tˈuː fɚðɪ ɐdˈoʊbi blˈɑːk.