Halayen Halitta

DB 75 tsarin sanyaya zafi da haske ne wanda aka tsara don polyurethanes

Aikace-aikace

Ana amfani da DB 75 a cikin polyurethanes kamar Reaction Injection Molding (RIM) polyurethane da thermoplastic polyurethane (TPU). Hakanan ana iya amfani da haɗin a cikin shafa mai da manne, a cikin shafa polyurethane akan tarpaulin da bene da kuma a cikin fata na roba.

Fasaloli/fa'idodi

DB 75 yana hana lalacewa ta hanyar sarrafawa, haske da yanayi.
na kayayyakin polyurethane kamar tafin takalma, faifan kayan aiki da ƙofa, ƙafafun sitiyari, murfin tagogi, wurin hutawa na kai da hannu.
Ana iya ƙara DB 75 cikin sauƙi a cikin tsarin polyurethane mai ƙanshi ko aliphatic don ƙirar thermoplastic, kumfa mai ƙarfi, fatar in-mold, da aikace-aikacen dope. Ana iya amfani da shi tare da kayan halitta da masu launi. DB 75 ya dace musamman don shirya manna launuka masu sauƙi don tsarin da aka ambata a sama.
Ƙarin fa'idodi:
Mai sauƙin famfo, ruwa mai zuba wanda ke ba da damar sarrafa ƙura ba tare da ƙura ba, yawan amfani da atomatik da kuma rage lokacin haɗawa
duk fakitin ruwa; babu narkewar abubuwan ƙari a cikin matakin polyol koda a yanayin zafi mai ƙasa
juriya ga fitar da ruwa/ƙirƙira a cikin tsarin PUR da yawa

Samfurin ruwa mai haske, ɗan rawaya kaɗan

Umarnin don Amfani

Matakan amfani na DB 75 suna tsakanin 0.2% da 1.5%, ya danganta da abubuwan da aka yi amfani da su da kuma buƙatun aiki na aikace-aikacen ƙarshe:
Kumfa mai aiki da sassan biyu 0.6% – 1.5%
Manna 0.5% – 1.0%
Masu rufewa 0.2% – 0.5%
Ana samun cikakkun bayanai game da aikin DB 75 don aikace-aikace da yawa.

Sifofin Jiki

Tafasawar > 200 °C
Hasken walƙiya > 90°C
Yawan yawa (20 °C) 0.95 – 1.0 g/ml
Maganin narkewa (20 °C) g/100 g
Acetone > 50
Benzene > 50
Chloroform > 50
Ethyl acetate > 50

Kunshin:25kg/ganga