Poudre de graphite pour les matériaux de fermeture
Grafite micronisé ñu ngi koy jëfandikoo bu bari ci wàllu tëjug, li ci gëna bari mooy jëfandikoo màndargaam yu melni baña tàng, lubrifié boppam, stabilite chimik ak mëna gëna am doole. Bi mu nekkee macceer bu am solo, poudre graphite ngir macceer yiy tëj dañu koy faral di jëfandikoo ngir tëj dinaamise wala statik ci tàngoor wu kawe, pression bu kawe wala environmaa yuy yàq.
Parametru xarala
|
Parametre |
Valeur/Li ñuy laaj |
Test buñ miin |
|
Dayo partikil |
1–50 μm (Lu gëna ndaw, mooy gëna mëna tëju) |
ISO 13320 |
|
Tolluwaay |
1,0-1,8 g/cm3 |
ASTM D3800 |
|
kompresioŋ |
15–30% |
GB/T 5409 |
|
Taux de fuite |
Lu néew wala lu tollu ci 1×10−4 mbar·L/s (Gas - bu dëgër) |
ISO 15848 |
|
Koefisieŋu friksioŋ (staat bu waw) |
0.1–0.3 |
ASTM D2714 |
Tegtal: Produit yi dañuy jàppale personaalisasioŋ buñ personaaliseer.
Njariñ yu mag yi ci sealing
(1) Resistance ci tàngoor wu metti: Mën na liggéey ci -200 degre ~3000 degre (ci atmosphere bu dul oxide), loolu moo gëna baax ci kawsu wala plastik.
(2) Self-lubrication: Structure layers wàññi koeffisien friction (0.1 ~ 0.3) ak wàññi wear pièces sealing.
(3) Inertité chimique: Dafay xeex asid yi, alkali yi ak solvant organik yi (bamu dess medium oxidant yu am doole yu melni asid nitrique concentré).
(4) Plastisite: Poudre micronized yomb naa feesal surface yu jaxasoo ak forme couche de sealing bu dëgër.
(5) Yoriinu kuuraŋ/tàngoor: Baaxna ci senaario yiy laaj dissipation tàngoor wala anti-static.
Formileer yiñ gëna xam ak senaario demànd yi
(1) Poudre graphite pour l'emballage de fermeture Application: Séalisation dynamique bu vanne yi, arbre pompe yi ak agitateur yi (misaal pompe chimique yi, bouilloire yu am tàngoor wu kawe). Màndarga yi: Resistance pression ba 20MPa, fàww ñu jëfandikoo ko ak beurre ngir wàññi couple de démarrage.
(2) Grafite buy soppiku (grafit buñ yaatal) Doxalin bi: Grafite buñ mikronise dañu koy asidifiye, yaatal ko ba noppi ñu presse ko ci gaskets, plaques wala gaskets spiral. Liggéeyukaay bi: tëjug bride tuyo yi, weccoo tàngoor yi ak boppu silindre yi ci motër bi. Màndarga yi: Tolluwaayu rebond bu yéeg ( Lu ëpp wala tollu ci 40%), lu mëna dindi ñàkka yamale gi ci kaw surface flange yi.
(3). Grafit + polimer: lu melni PTFE -grafit yuñ defaree mbir yu bari, yu mëna xeex korosioŋ ak friksioŋ bu néew.
(4).
Jëfandikoo gi: Anti-jël boulong yu am tàngoor wu kawe ak joint yu am filet.
Dayo particule bi mën nañu ko regle ngir mëna ànd ak bëgg-bëggu tasaaroo ci coating yi, composite yi, ak ñoom seen.
• Carbon bu bari, dóóm bu néew mooy setal aparey elektronik, energie bu bees, wàññi mbalit.
• Yaatu surface bu yemmamaay ak dëgëraay robinet bi mën nañu tasaaroo ak forme, méngoo ak waajal slurry, moulage ci compression, ak ñoom seen.
• Resistivite bu woyof dafay tax yoonale bi baax, baaxna lool ci additif ak electrode yiy yoonale. Standard ak parametru Test Performance Sealing.
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