Polymeric Isocyanate Desmodur 44V20
General Properties and Applications
Desmodur44V20 is a liquid, dark brown polymeric isocyanate based on diphenylmethane-4.4′-diisocyanate (MDI) with isomers and homologues of higher functionality. It is used in conjunction with polyols to produce polyurethane.
Specification
| Property | Value | Unit of measurement |
Method |
| NCO content | 30.5-32.5 | % by wt. | MDI-01-01 |
| Viscosity 25 °C*) | 160-240 | mP·s | MDI-01-02 |
| Acidity | max.200 | mg/kg | MDI-01-03 |
| *) Lengthy storage can lead to an increase in the viscosity of Desmodur® 44V20 L, although in our experience this has no adverse effect on the processing properties of the product. | |||
Other Data
| Property | Value | Unit of measurement |
Method |
| Density 20 °C | approx. 1.23 | g/cm* | DIN 51757 |
| Phenylisocyanate content | max.50 | ppm | MDI-01-09 |
| Coefficient of thermal expansion | 6.59.10-4 | K-1 | |
| Specific heat (cp) | approx. 1.51 | kJ/kgK |
Storage
Recommended storage temperature: + 10 to + 30 °C (in exceptional casesup to 50°C)
Storage stability (ex works): 6 months if stored in moisture-tight drums
If you're ready to take the next step or Request Free Samples, Leave your message below and we’ll reply soon. 20+ years of chemical manufacturing & export experience, a partner you can trust.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
Low Temperature Powder Coating Series | Key Features & Specifications FeatureSpecification / Benefit Low Temperature Curing 120°C × 20–30 mincuring proces... |
 |
Medium Cure Powder Coating | Introduction We are a leading powder coating manufacturer specializing in Medium Cure Powder Coating that cures at moderate temperatures, offering... |
 |
Waterborne two-component hydroxylated acrylic dispersion with high thick coating performance STD 2035 | Product Description Waterborne two-component hydroxylated acrylic dispersion with high thick coating performance STD 2035 is a hydroxyfunctional p... |
 |
PVDF Powder Coating for Building Applications | 1. Fluoropolymer Powder Coatings The ultimate protection for extreme durability and long-term performance. Key Advantages: UV & Weat... |
 |
Thermosetting Special Powder Coating | I. Product Introduction In today’s world where extreme performance and environmental protection are both highly valued, the thermosetting sp... |
Похожие товары
 |
Trimellitic anhydride 97% | Продавец: Yufeng International Group Co., Ltd | Trimellitic anhydrideis a 2-benzofuran compound having oxo groups at the 1- and 3-positions and a... |
 |
Isobutyric Anhydride CAS 97-72-3 | Продавец: Yufeng International Group Co., Ltd | Product Name: Isobutyric Anhydride CAS No.: 97-72-3 Purity: 99% Molecular Formula: C6H10O3 Mo... |
 |
Isobutyric Acid CAS 79-31-2 | Продавец: Yufeng International Group Co., Ltd | Product Name:ISOBUTYRIC ACID Synonyms: 2-Methylpropanoic acid 79-31-2 Isobutanoic acid 2-Met... |
 |
2-Amino-2-methyl-1-propanol（AMP）CAS：124-68-5 | Продавец: Yufeng International Group Co., Ltd | AtYufeng, a trusted 2-Amino-2-methyl-1-propanol Factory & Supplier, we prioritize quality and... |
 |
Dimethyl sulfoxide (DMSO) CAS: 67-68-5 | Продавец: Yufeng International Group Co., Ltd | Yufengis one of the leading dimethyl sulfoxide suppliers and also a professional such manufacture... |
