Pengaruh Suhu Dan Waktu Tinggal Terhadap Kecenderungan Menguning Pada Proses Produksi Alumunium Fasad

Authors

  • Sukram Sukram Program Studi Teknik Mesin, Sekolah Tinggi Teknologi Gempol
  • Sutikno Sutikno Program Studi Teknik Mesin, Fakultas Teknik Sekolah Tinggi Teknologi Gempol

DOI:

https://doi.org/10.30737/jatiunik.v2i2.330

Keywords:

Paint Powder, Maturation, Temperature, Color

Abstract

Painting using paint powder is one of the techniques of protection against corrosion are evolving rapidly. Powder paints have aesthetic value approaching liquid paint as well as durability and relative utilization is better than liquid paint. The process of maturation of the paint powder that is only done with the process of warming at a certain temperature and a certain span of time. Standard maturation process known as maturation curve (curing folder). The difference in temperature and time against standard value ranges of risk occurrence of color change especially in white color (light). Therefore, do the research to find out the influence of temperature and time of warming up against the tendency of yellowing in white powder paint. Colour measurement is performed using a colorimeter in units of CIE Lab. Value b in CIE lab color trend show the yellowish or bluish. Temperature and time of warming up is the variable factor research determined 5.

 

Pengecatan menggunakan cat bubuk merupakan salah satu teknik perlindungan terhadap korosi yang berkembang secara pesat. Cat bubuk memiliki nilai estetika mendekati cat cair serta daya tahan dan utilisasi yang relative lebih baik dibanding cat cair. Proses pematangan cat bubuk yang hanya dilakukan dengan proses pemanasan pada suhu tertentu dan rentang waktu tertentu. Standard proses pematangan dikenal dengan kurva pematangan (curing map). Perbedaan suhu dan waktu terhadap rentang nilai standard menimbulkan resiko terjadinya perubahan warna khususnya pada warna putih (terang). Oleh sebab itu dilakukan penelitian untuk mengetahui pengaruh suhu dan waktu pemanasan terhadap kecenderungan menguning pada cat bubuk warna putih. Pengukuran warna dilakukan dengan menggunakan colorimeter dalam satuan CIE Lab. Nilai b  pada CIE lab menunjukan kecenderungan warna kekuningan atau kebiruan. Suhu dan waktu pemanasan merupakan variabel penelitian yang faktornya ditentukan 5â°C dan 5 menit diluar kurva pematangan.

 

 

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Published

2019-04-29

How to Cite

Sukram, S., & Sutikno, S. (2019). Pengaruh Suhu Dan Waktu Tinggal Terhadap Kecenderungan Menguning Pada Proses Produksi Alumunium Fasad. JATI UNIK : Jurnal Ilmiah Teknik Dan Manajemen Industri, 2(2), 64–73. https://doi.org/10.30737/jatiunik.v2i2.330

Issue

Vol. 2 No. 2 (2019): April

Section

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