Nei uchipisa-nyauka pendi inotadza kubatana? Basa Rinorivikanwa rePrimer Kudya
Sunungura nguva:2025-07-28
Kudonhedza Kwakashata kweHot-Rolt Road Kugadzira pendi kazhinji inowanzogadzirwa kubva mukugadzirira kwepasi pevhu. Heano mashandiro ekutanga ekunyepedzera anovimbisa kushamisika kusimba:
1. Kusvibiswa kwepasi: iyo yekutanga culprit
Guruva, mafuta, kana kunyorova pane asphalt / congcrete inogadzira chipinganidzo, kudzivirira kupinza kupinda. Zvidzidzo zvinoratidza kucherwa kwakasviba kuderedza kuderedza ne40%.
Solution: Yakakwirira-yekumanikidza kugeza uye degreasing (i.e., solvent-yakavakirwa kuchenesa) Bvisa zvakasvibiswa, kuita zvakananga kusangana pakati pekupenda uye pombi.
2. Primer's Dual Mechanism
Kumiranika chemakemikari: Epipo
Yepanyama inoshambidzika: yakaoma nzvimbo (i.e., sandblased kongiri) kuwana 50% yakakwirira shear simba kuburikidza nemhepo yekubatira.
3. Mamiriro ekunze-chaiwo ekutanga
Nzvimbo dzakanyorovesa: kunyoroveswa-kurapwa polyurethane primers dzinodzivirira kupenya nekuisa microspores.
Cold Climates: Fast-Drying Primers (<10 maminitsi) Dzivisa kucheka kwechando-kwakabatana.
4. Application application
Kuverengera: 0.2-0.3 kg / m² inovimbisa yunifomu yekudyidzana pasina pamusoro-application (inogara ichisungwa).
Nguva: Primer inofanira kuoma 30-60 maminitsi usati wapisa-nyauka application kuti uite kuti agadzire anomira anokurudzira.
Pro Tip: Astm D913-Certified Primers anotambanudza maroti ehupenyu ne3-5 makore akati wandei nzvimbo.
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