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Product Details:
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| NCO Content: | 21.8% ± 0.3% | Viscosity At 23 °C: | 3,000mPa·s ± 750mPa·s |
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| Color Value (Hazen): | ≤ 40 | Monomeric HDI: | < 0.15% |
| Viscosity At 25 °C: | Approx. 2,500mPa·s | Equivalent Weight: | Approx. 193 |
| High Light: | Hardener Component Isocyanate HT 100,HDI Trimer Isocyanate HT 100 |
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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.
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| Model | Density (25℃) | Viscosity (mpa.s/25℃) | Solid Content (%) | NCO Content (%) | Type | Features and Applications |
| Desmodur N3300 | approx. 1.16 | approx. 2500 | ≥99 | 21.8±0.3 | HDI trimer | The main applications for systems based on Desmodur N3300 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing, and plastics. |
| Desmodur N3600 | approx. 1.16 | approx. 1100 | ≥99 | 23.0±0.5 | HDI trimer | Air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing, and plastics. Particularly suitable for formulating high-solids coatings. It can also be used as the hardener for aqueous two-component polyurethane coatings. |
| WANNATE HT-300 | approx. 1.16 | 200~700 | ≥99 | 19.5~20.5 | HDI trimer | Suitable for self-drying, high solid Content, and solvent-frees, especially for polyaspartic polyurea systems. It can coat original automobile paint (OEM), automobile repair, transportation tools, industrial products, floors, and plastics. |
| WANNATE HT-600 | approx. 1.16 | 900~1500 | ≥99 | 22.5~23.5 | HDI trimer | The main applications for coatings based on WANNATE HT-600 are automotive refinishing, transportation, industrial finishing, and plastics. |
| SP-103P | 1.01 | 100-300 | 60±2(BA) | 3.2-3.6 | IPDI Prepolymer | Dedicated hardener for exterior waterproof topcoat. Adjust flexibility of polyaspartic rigid coating system. Non-yellowing, QUV testing 1500 hours. |
| GB905A-85 | 1.05 | 3000-6000 | 85±2(xylene) | 6.6-7.2 | IPDI Prepolymer | High solid content,short branched-chain, applied in flexible high solid content coating. Improve the flexibility of PU system. |
| GB926-85 | 1.07 | 4000-6000 | 85±2(BA) | 4.9-5.3 | IPDI Prepolymer | High elongation and strength, resist to rain erosion, applied in flexible high solid content coating. Improve the flexibility of PU system. Can be used for windmill blade topcoat. |
| GB951-100 | 1.11 | 1000-2500 | ≥99 | 20.8-21.2 | HDI / Si Prepolymer |
Anti-corrosion coating, improve coating adhesion. |
| GB963A-100 | 1.12 | 1000-2000 | ≥98 | 8.5-9.0 | HDI / Si Prepolymer |
High solid and low viscosity, used for high solid content, solvent-free elastic weather-resistant topcoat, low temperature resistant elastic coating, elastic adhesive. |
| GB-963B-100 | 1.12 | 1000-2000 | ≥99 | 10.0-10.4 | HDI Prepolymer | High solid and low viscosity, used for high solid content, solvent-free elastic weather-resistant topcoat, low temperature resistant elastic coating, elastic adhesive. |
| GB902-100 | 1.12 | 4000-6000 | ≥99 | 8.8-9.4 | HDI Prepolymer | High solid and low viscosity, used for high solid content, solvent-free elastic weather-resistant topcoat, low temperature resistant elastic coating, elastic adhesive. |
| GB930-100 | 1.10 | 200-700 | ≥99 | 19.5-20.5 | HDI Trimer | High solid and low viscosity, used for high solid content, solvent-free topcoat, flooring, weather-resistant topcoat for construction machinery. |
| GB805A-100 | 1.05 | 3000-6000 | ≥98 | 4.7-5.2 | TDI/HMDI Prepolymer | Applied in non-solvent polyaspartic flexible topcoat, flooring topcoat. |
| GB805B-100 | 1.05 | 1500-3000 | ≥98 | 10.3-10.7 | TDI/HMDI Prepolymer | High solid content, low viscosity. Applied in non-solvent flexible waterproof, flooring and sealing materials etc. |
| GB605C-100 | 1.04 | 2000-4000 | ≥98 | 8.1-8.6 | HMDI Prepolymer | High solid content with low viscosity, applied in solvent-free flooring coating, adhesive, edge sealing adhesive etc. |
or Send Us an Email: marketing@feiyang.com.cn, feiyangjunyan@gmail.com
Or Send Us an Email: marketing@feiyang.com.cn, feiyangjunyan@gmail.com
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