Jamonoy dëgëral ndox ci sealant silicone neutre

I. Njàngalem gëstub ndox
Sealant silicone neutre dafay wér jaaraleko ci ab reaksioŋ buy wéral guus. Koposaŋ bi ci nekk, di polymer silane, dafay jaar ci hydrolyse-reaction kondensasioŋ ak guus (H2) ci air bi, daal di nekk structure reso bu am ñatti dimension. Ni ñu koy defee ñu ngi ko xaaj ñatti pàcc:

1. Diiru liy nekk: Filmu elastik dafay forme ci kaw surfaasu sealant bi, te loolu dafay jël lu tollu ci 30 simili (25 degre /50% humidité). Mën nañu ko laal waaye du mëna xeex fitna.

2. Deep Cure: Ndox dafa wara dugg ci biir couche sealant bi, te loolu dafay laaj lu tollu ci 24 waxtu ci milimetre bu nekk ci yaatuwaayam (source de données: ASTM C920-2021).

3. Full Cure: Soo bëggee am doole ju mujj, fàww nga def 48 waxtu soo bëggee am doole. Facteur yii ñooy indi jafe-jafe ci waxtu wi:

- Humidité ambiante: Curing bi dafay yeex ci suufu 40%, waaye tàngoor wu ëpp 70% mën na wàññi curing bi ci 20%.

- Tàngoor: Diiru wér gi dafay yokk ñaari yoon su 10 degre wàññeeku (lu melni, 72 waxtu ci 15 degre ).

II. Gaawaay ci paj ak saafara jafe-jafe
1. Xeetu gaawaay:

- Fexeel ndox mi ngir yokk tooy gi (moytu suul ci ndox mi ci saasi).

- Jëfandikool aparey buy tàngal (lu melni tàngooru ventilatër) ngir am environmaa bu 30 degre ngir wàññi diiru tàngoor wi ba 18 waxtu.

2. Jafe-jafe yiy gëna faral di am:

- Weexal koloid bi: guus gu bari dafay tax monomer yi reactiwul ñuy precipiter; saytu volume sprey bi.

- Falu adhésion: Substrat yu am diw wala tàngoor wu ëpp 5 degre fàww ñu njëkka raxas ko ba noppi ñu yokk ko mu dëgër.

III. Done yu liggéeykat yi ak xalaati aplikaasioŋ
Buñu sukkandikoo ci test yi Sealant Council (SSC) amal, diiru lakk bu màrku silicone neutre yu bari wuute na lu néew 10%. Tegtal yi:

- Ngir barab yu tooy yu melni waañ yi ak duus yi, jëfandikoo xeetu "bu mëna xeex" (lu melni Dow Corning DOWSIL 791). Resistance ndox dafay yokk 50% ginaaw bimu ñor.

- Moytul bis yi taw di am ngir jëfandikoo ci biti; taw laata muy wér mën na tax colloid bi newwi wala xar.