Sunan samfurin: Triphenylmethane-4,4',4'-triisocyanate/Desmodur RE / Isocyanates RE
Saukewa: 2422-91-5
Saukewa: C22H13N3O3
MW: 367.36
Yawa (20°C): 1.0 g/cm3
Matsayin narkewa: 89 ° C
Abubuwa | Ƙayyadaddun bayanai |
Rahoton da aka ƙayyade na NCO | 9.3 ± 0.2% |
Tabbatar da methane | 27± 1% |
Danko (20°C) | 3 mPa.s |
Mai narkewa | Ethyl acetate |
Wurin walƙiya | -4°C |
Dole ne a yi amfani da manne-bangare biyu a cikin lokacin da aka zartar bayan sanya RE.Tsawon lokacin da ya dace ba wai kawai yana da alaƙa da abun ciki na polymer na m ba, har ma da sauran abubuwan da suka dace (kamar guduro, antioxygen, filastik, sauran ƙarfi, da sauransu.
Lokacin kusa da lokacin da ya dace, yawanci 'yan sa'o'i ko ranar aiki ɗaya, manne zai zama mafi wahalar aiki, kuma danko yana tashi ba da daɗewa ba.A ƙarshe, Ya zama jelly wanda ba zai iya jurewa ba.100 ingancin m, Hydroxyl polyurethane (Polyurethane lissafin kusan 20%), RE kashi 4-7.Chloroprene roba (Asusun Rubber kusan kashi 20%), RICHEST RE yana yin 4-7.
Misali
Akwai
Kunshin
750 g / kwalba, 20 kg / kartani, 180 kg / ganga, ko kuma yadda kuke bukata.
Adanawa
Samfurin zai zama duhu a hankali idan an kiyaye shi da tsayi sosai ko kuma a fallasa shi ga iska.