| Modified isocyanate | ||||
|---|---|---|---|---|
| Product grades | NCO content（%） | Viscosity（mPa·s@25℃） | solid content（%） | Characteristics and applications |
| N6001 | 12.0~13.0 | 1000~2000 | ＞99.0 | A two-functional, high-solid-content, low-viscosity, yellowing-resistant modified aliphatic isocyanate curing agent, particularly suitable for the fields of polyurethane polyurea coatings and adhesives with high requirements for weather resistance and acid-base resistance. |
| N6002 | 21.5~22.5 | 200~300 | ＞99.0 | A two-functional, high-solid content, low-viscosity, yellowing-resistant modified aliphatic isocyanate curing agent. It is recommended to use the HDI trimer, which can help reduce the viscosity of the system, regulate the reaction speed and enhance the hardness of the paint film. |
| N6003 | 21.5~22.5 | 300~500 | ＞99.0 | A two-functional, high-solid-content, low-viscosity modified aliphatic isocyanate curing agent that is resistant to yellowing. It is recommended to use the HDI trimer, which can reduce the viscosity of the system, adjust the reaction speed and film hardness. Its weather resistance and acid and alkali resistance are higher than those of N6002 curing agent. |
| N6004 | 21.5~22.5 | 500~700 | ＞99.0 | This modified aliphatic isocyanate curing agent, which contains a portion of trifunctional groups, has a high solid content, low viscosity and is resistant to yellowing. It is recommended to be used in combination with HT series trimer to reduce the viscosity of the system, regulate the reaction speed and the hardness of the paint film. |
| N4001 | 14.5~15.5 | 18000~22000 | ＞99.0 | A trifunctional elastic curing agent, used to enhance the crosslinking density of the system, is suitable for polyurethane polyurea coatings and adhesives. It features high solid content, low free, no odor, and low VOC, can be applied in home decoration fields. |
| N4002 | 14.5~15.5 | 20000~25000 | ＞99.0 | A tri-functional elastic curing agent, used to increase the crosslinking density of the system, applicable to the fields of polyurethane & polyurea coatings and adhesives. It has high solid content, low free components, no odor, low VOC, and can be applied in the home decoration field. Its weather resistance and flexibility are superior than those of N4001 curing agent. |
| N8001 | 14.5~15.5 | 1300~2300 | ＞99.0 | A tri-functional elastic curing agent, with a paint film strength higher than N4001, is used to increase the crosslinking density of the system. It is suitable for polyurethane & polyurea coatings and adhesives. It has high solid content, low free, no odor, low VOC, and can be applied in the home decoration field. |
| N8002 | 14.5~15.5 | 2500~3500 | ＞99.0 | A three-functional elastic curing agent，the strength of coating film is higher than N4001, the weather resistance and flexibility is superior than N8001 curing agent, used to enhance crosslinking density of the system. Suitable for polyurethane and polyurea coatings and adhesives, featuring high solids content, low free odorless, and low VOC. and can be applied in the home decoration field. |
| N2001 | 21.5~22.5 | 450~650 | ＞99.0 | A high-solid content and high-activity three-functional curing agent, which is not resistant to yellowing, is used to increase the crosslinking degree of the system. It can be applied in the fields of spraying polyurea, polyurethane & polyurea coatings, and adhesives, the produced paint film has good hardness and flexibility. |
| N2002 | 21.5~22.5 | 150~250 | ＞99.0 | A two-functional curing agent with high solid content and high activity, not resistant to yellowing, can be used in the fields of spraying polyurea, polyurethane & polyurea coatings and adhesives. The produced paint film has good hardness and flexibility. |
| N2003 | 21.5~22.5 | 2900~3200 | ＞99.0 | A two-functional curing agent with high solid content and high activity, not resistant to yellowing, with a red-brown appearance, can be used in the fields of spraying polyurea, polyurethane &polyurea coatings and adhesives. The produced paint film has excellent hardness and flexibility. |
| N2004 | 21.5~22.5 | 200~400 | ＞99.0 | A two-functional curing agent with high solid content and high activity, not resistant to yellowing, has better weather resistance than N1002 curing agent. It can be used in the fields of spraying polyurea, polyurethane & polyurea coatings and adhesives, and the produced paint film has good hardness and flexibility. |
