CovestroCoscot. Desmophen 670BA

Brand：CovestroCoscot. Desmodur
Model：670 BA

Product characteristics：
  Desmophen® 670 BAIt's a slightly scalded hydroxyl polyester in Coth.。To be used as a reaction in plastic-resistible flexible coating formulations。It produces thin membranes that are very durable and very low-temperature and resilient.。Desmophen® 670 BACould be added to other dual-assembly polyurethane systems，To make it more flexible.。

Parameters：
Colour Value(Hazen)；≤150
Acid value:1.8Earth.1mg KOH/g
Glue, 23°C：3000±400mPa-s
Non-volatile fraction content180±1%g（1gresin/1The hour's up.125°C，Reciprocal oven.）
Helium content：3.5±0.3%
Water content：≤0.1%
Equivalence：Date of receipt of the relevant documents.485
Density,20℃：Date of receipt of the relevant documents.1.11g/ml
Come on, let's go.：Date of receipt of the relevant documents.32℃
Features/Apply：
DesmophenR670 BA andDesmodurRN 75orN 3390Combination of coatings with excellent durability stability and excellent low-temperature resilience。These paints are mainly used to coat plastics and80℃I'm going to make it dry.。Desmophen670 BAIt can also be added to other dual-assembly polyurethane systems to increase their resilience.。
Compatibility：
DesmophenR 670 BAWith polyestersDesmophenIt's easy to mix with all kinds of ethylene co-polymer.。And yet...，Their combination must test their compatibility.。Yes.Desmophen RLevel and cellulose acetate basis compatible with its limited acetate。
Solubility/Diluent：
DesmophenR670 BASoluble ethyl acetate，Butyl acetic acid,1-Metric Oxygen-2,Methamphetamine，Toluene and its mixtures。And yet...，The solution must be tested for storage stability.。Above40%The solid dibenzo-plutonite solution will be layered in a very short period of time.。Only polyurethane-grade solvents can be used.(<0.05 %Water.，Active impurities in the form of separation) 。