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TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100

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TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100

TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100
TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100

Large Image :  TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100

Product Details:
Place of Origin: China
Brand Name: Covestro
Certification: ISO 14001, ISO 19001
Model Number: Desmodur N 3300 wannate HT-100 TKA-100
Payment & Shipping Terms:
Minimum Order Quantity: 200kg
Packaging Details: 200KG/Drum, 4Drums/pallet, 16Ton/20GP
Delivery Time: 7days after order comfirmed
Payment Terms: L/C, T/T
Supply Ability: 2000Ton

TKA-100 Aliphatic polyisocyanate Desmodur N 3300 Wannate HT-100

Description
NCO Content: 21.8% ± 0.3% Viscosity At 23 °C: 3,000mPa·s ± 750mPa·s
Color Value (Hazen): ≤ 40 Monomeric HDI: < 0.15%
Viscosity At 25 °C: Approx. 2,500mPa·s Equivalent Weight: Approx. 193
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TKA-100 Aliphatic polyisocyanate

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Desmodur N 3300 Aliphatic polyisocyanate

Desmodur N 3300 wannate HT-100 TKA-100 HDMI Hardener

 

A hardener is a component of certain mixtures. ... A hardener can be either a reactant or a catalyst in the chemical reaction during the mixing process. In other combinations, a hardener is used as a curing component. A hardener may also be known as an accelerator.

 

 

A polyurethane resin is the result of the chemical reaction between a polyol resin (also known as “Part A”) and a hardener or curing agent (also known as “Part B”). The chemically reactive material in the hardener is called the polyisocyanate curing agent, which becomes an integral part of the polyurethane polymer when mixed with the polyol resin. The polyisocyanate curing agents commonly used in two-pack coatings are made from various diisocyanate monomers. This diisocyanate monomer generally represents less than 0.2% of the total formula when made up of typical two-pack polyurethane coatings. In the poly-isocyanate polymerization process, less than 0.5% remains as a diisocyanate monomer. 

 

1. Characterization

Aliphatic polyisocyanate (HDI trimer).

As the hardener component for lightfast polyurethane coating systems.

 

2. Specification

Property Value Unit of measurement Method
NCO content 21.8 ± 0.3 % DIN EN ISO 11 909
Viscosity at 23 °C 3,000 ± 750 mPa·s DIN EN ISO 3219/A.3
Color value (Hazen) ≤ 40   DIN EN 1557
Monomeric HDI < 0.15 % DIN EN ISO 10 283
Viscosity at 25 °C approx. 2,500 mPa·s DIN EN ISO 3219/A.3
Equivalent weight approx. 193    
Flash point approx. 228 °C DIN 22 719
Density at 20 °C approx. 1.16 g/ml DIN EN ISO 2811

 

3. Solubility / thinnability

Desmodur® N 3300 can be thinned with esters, ketones, and aromatic

hydrocarbons such as ethyl acetate, butyl acetate, methoxy propyl acetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene,

xylene, solvent naphtha® 100, and mixtures thereof.

Generally speaking, it has good compatibility with the solvents listed. However, the solutions formed must be tested for their storage stability. Only PU-grade solvents should be used (max. 0.05 % water, absence of reactive hydroxyl or amino groups). Aliphatic hydrocarbons are unsuitable as solvents.

Desmodur® N 3300 should not be thinned below a solids content of 40 %. Prolonged solution storage with a lower binder content may result in turbidity and sedimentation.

 

 

4. Compatibility

Generally speaking, Desmodur® N 3300 can be mixed with the following products: aliphatic polyisocyanates such as Desmodur® N 100, N 75, N 3200, N 3400, N 3600 and Desmodur® Z 4470; aromatic polyisocyanates such as Desmodur® L, HL, and IL; polyester polyols such as Desmophen® 670;

polyacrylates such as the Desmophen® A products. However, the compatibility of the combinations used should constantly be tested.

Desmodur® N 3300 is incompatible with branched polyester polyols such as Desmophen® 651 or polyether polyols such as Desmophen® 1380 BT.

 

5.Properties / Applications

Desmodur® N 3300 is primarily used as the hardener component for lightfast

two-component polyurethane coatings with high chemical and weather resistance, good gloss retention, and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols.

The main applications for systems based on Desmodur® N 3300 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing, and plastics.

 

6. Storage

- 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.

Contact Details
SHENZHEN FEIYANG PROTECH CORP.,LTD

Contact Person: Annie Qing

Tel: +86 18307556691

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