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N3900 Desmodur HDI Trimer Isocyanate Hardener

Certification
China SHENZHEN FEIYANG PROTECH CORP.,LTD certification
China SHENZHEN FEIYANG PROTECH CORP.,LTD certification
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N3900 Desmodur HDI Trimer Isocyanate Hardener

N3900 Desmodur HDI Trimer Isocyanate Hardener
N3900 Desmodur HDI Trimer Isocyanate Hardener

Large Image :  N3900 Desmodur HDI Trimer Isocyanate Hardener

Product Details:
Place of Origin: CHINA
Brand Name: COVESTRO
Certification: ISO 14001, ISO 19001
Model Number: N3900
Payment & Shipping Terms:
Minimum Order Quantity: 200KG
Packaging Details: 200kg/drum
Delivery Time: 7 days after order confirmed
Payment Terms: L/C, T/T
Supply Ability: 2000Ton

N3900 Desmodur HDI Trimer Isocyanate Hardener

Description
Model: N3900 Desmodur® N 3400 Is Used Primarily As A Reactive Thinner Or As A Hardener Component For: 23.5± 0.5
Viscosity At 23 °C: 730 ±100 Equivalent Weight: 179
Monomeric HDI: < 0.25% Density At 20 °C: 1.15
High Light:

HDI Trimer Isocyanate Hardener

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Desmodur N3900 Isocyanate Hardener

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Desmodur N3900 Aliphatic polyisocyanate

N3900 Aliphatic polyisocyanate HDI trimer

 

1. Characterization

Aliphatic polyisocyanate (HDI trimer).

As the hardener component for lightfast polyurethane coating systems.

 

2. Properties / Applications

Desmodur® N 3900 is used to formulate high-solids systems for automotive refinishing, transportation coating, and plastics coating.

 

3. Solubility / thinnability

Desmodur® N 3900 is compatible with the following solvents: ethyl acetate, butyl acetate, 1-methoxy propyl acetate-2, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, solvent naphtha® 100 and mixtures thereof. Aliphatic hydrocarbons are not suitable as solvents.

Desmodur® N 3900 should not be thinned below a solids content of 40 % by wt. Prolonged solution storage with a lower solids content may result in turbidity and sedimentation.

 

4. Specification

Property Value Unit of measurement Method
NCO content

23.5 ± 0.5

% DIN EN ISO 11 909
Viscosity at 23 °C

730 ± 100

mPa·s DIN EN ISO 3219/A.3
Color value (Hazen) ≤ 40   DIN EN 1557
Monomeric HDI < 0.25 % DIN EN ISO 10 283
Equivalent weight approx. 179    
Flash point approx. 203 °C DIN 22 719
Density at 20 °C approx. 1.15 g/ml DIN EN ISO 2811

 

5. Compatibility

Desmodur® N 3900 can be mixed with the following Desmodur® and Desmophen® products: Desmodur® N 75, N 100, N 3200, N 3300, N 3390, N 3400, N 3600, and Z 4470;

most polyester-based Desmophen® products such as Desmophen® 670, 680, VP LS 2971, VP LS 2089, VP LS 2107, and with polyacrylates. It is incompatible with Desmophen® 650 and 651.

 

6. Properties / Applications

Desmodur® N 3900 is used to formulate high-solids systems for automotive refinishing, transportation coating, and plastics coating.

 

7. Storage and storage time

- Storage in original sealed Covestro container.

- Recommended storage temperature: 10 - 30 °C.

- Protect from moisture, heat, and foreign material.

General information: The product is sensitive to moisture and should therefore be stored in tightly sealed containers. Storage at elevated temperatures will lead to an increase in viscosity and a reduction of the NCO content.

 

Covestro represents that, for nine months following the day of shipment as stated in the respective transport documents, the product will meet the specifications or values outlined in section "specifications or characteristic data" above, whatever is applicable, provided that the product is stored in full compliance with the storage conditions outlined in and referenced under section "storage" above and is otherwise handled appropriately.

The lapse of nine months does not necessarily mean that the product no longer meets specifications or the set values. Covestro does not make any representation regarding the product after the lapse of nine months. Co vestro shall not be responsible or liable in any way for the development failing to meet specifications or the set values after the reverse of the nine months. However, before using said product, Covestro recommends totestinguch a product to see if it still meets the specifications or the set values.

 

Contact Details
SHENZHEN FEIYANG PROTECH CORP.,LTD

Contact Person: Annie Qing

Tel: +86 18307556691

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