{"id":11737,"date":"2026-03-23T11:32:58","date_gmt":"2026-03-23T10:32:58","guid":{"rendered":"https:\/\/hybster.com\/matiere-plastique\/ppa-polyphtalamide-ptfe\/"},"modified":"2026-04-02T22:43:41","modified_gmt":"2026-04-02T20:43:41","slug":"ppa-polyphtalamide-ptfe","status":"publish","type":"matiere-plastique","link":"https:\/\/hybster.com\/en\/matiere-plastique\/ppa-polyphtalamide-ptfe\/","title":{"rendered":"PPA (Polyphtalamide) &#8211; PTFE"},"content":{"rendered":"","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"famille-de-matiere":[],"class_list":["post-11737","matiere-plastique","type-matiere-plastique","status-publish","hentry"],"acf":{"nom_commercial":"","sigle":"PPA-PTFE","matiere_famille_brut":"PPA","renforce":"PTFE","filler_reinforcement_raw":"PTFE","process_compatibles":"injection","normes_certifications":"UL94 HB, RoHS, FDA","ul94":"HB","tg":125,"tm":310,"hdt":270,"temp_usage_min":-40,"temp_usage_max":180,"temp_transfo_min":320,"temp_transfo_max":360,"retrait_min":0.4,"retrait_max":0.8,"density_g_cm3":"1.55 to 1.56 (ASTM D792)","charpy_notched_iso179_kj_m2":"10","durometer_shore_a":"","durometer_shore_d":"","flexural_modulus_mpa":"3100 to 9960 (ISO 178)","flexural_strength_mpa":"250","tensile_modulus_mpa":"14000","tensile_strength_mpa":"187 to 193 (ISO 527-1, -2, Break)","tensile_elongation_pct":"1.3 to 2.4 (ISO 527-1, -2, Break)","mecanique_note":5,"thermique_note":5,"chimique_note":4,"uv_note":2,"difficulte_injection":5,"recyclabilite_score":2,"mecanique_score":85,"thermique_score":90,"chimique_score":70,"uv_score":30,"process_score":40,"esthetique_score":50,"durabilite_score":90,"cout_score":5,"transparent":false,"contact_alimentaire":false,"recycle":false,"biosource":false,"ignifuge":false,"uv_resistant":false,"recycle_code":"7 (PTFE)","features":"","commentaire_chimie":"Le PPA pr\u00e9sente une excellente r\u00e9sistance aux huiles moteur \u00e0 haute temp\u00e9rature, aux graisses industrielles et aux carburants. Sa faible absorption d'humidit\u00e9 garantit une stabilit\u00e9 dimensionnelle sup\u00e9rieure. Sensible aux acides forts concentr\u00e9s et bases \u00e0 chaud.","applications_recommandees":"- Applications automobiles\n- Applications industrielles\n- Biens domestiques\n- Applications \u00e9lectriques\/\u00e9lectroniques\n- Applications grand public\n- Usage g\u00e9n\u00e9ral\n- \u00c9lectrom\u00e9nager\n- Contenants\n- Pi\u00e8ces int\u00e9rieures automobiles\n- Emballage","uses":"","faq_recyclage":"Le PPA est difficile \u00e0 recycler en raison de sa structure aromatique et de ses hautes temp\u00e9ratures de transformation. Des programmes de reprise industrielle existent chez certains fabricants. Non destin\u00e9 au recyclage grand public.","faq_injection":"Injection entre 320\u2013360 \u00b0C, moule \u00e0 100\u2013150 \u00b0C. Pr\u00e9-s\u00e9chage obligatoire : 6\u20138 h \u00e0 120 \u00b0C. Tr\u00e8s haute viscosit\u00e9. N\u00e9cessite presses haute performance et moules en acier trait\u00e9. Retrait faible (0,4\u20130,8 %) gr\u00e2ce aux renforts.","faq_alimentaire":"Le PPA n'est pas adapt\u00e9 aux applications alimentaires. 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