SUNMIDE 640L-2 is an alcohol-soluble polyamide resin, a low-viscosity variant of SUNMIDE 640, suitable for flexographic printing inks. It exhibits excellent low-temperature stability.
Model | Category | Amine value | Acid value | viscosity cps at 25°C | Softening point | SUNMIDE |
Mixed solvent-based polyamide photogravure ink (metal plate), surface printing resin solution, also suitable for use as a thixotropic agent in coatings. | ||||||
550 | Low viscosity | <3 | <5 | 100-150 | 110±5 | General-purpose, excellent balance |
550A | High viscosity, modified amine | <2 | <1 | 150-250 | 110±5 | Good chemical resistance, freeze resistance |
550H | High viscosity, amine-rich | <5 | <5 | 150-250 | 110±5 | Gloss, drying properties, oil resistance |
550H-6 | High viscosity | <4 | <7 | 100-250 | 108±5 | Drying properties, cold resistance |
550WX | Modified amine | <3 | <5 | 60-120 | 110±5 | Good saponification resistance, scratch resistance |
554 | Flexibility | <2 | <6 | 70-120 | 103±3 | High gloss, low-temperature stability, compatible with nitrocellulose, chelation stability |
556W-2 | Formulation of polyamide | <3 | <15 | 40-100 | 90±5 | Good adhesion to untreated PE/PP |
Special Polyamide | ||||||
50 | Waxy polyamide | <5 | <12 | —— | 120±5 | Enhances surface properties, improves adhesion, and offers unique, outstanding anti-blocking properties. |
HT-140PK-20 | High softening point | <10 | <7 | 4000-10000 | 140±10 | Excellent adhesion to PET, PP, PE, and PVC. |
Alcohol-soluble polyamide - flexible ink, various printer ribbons, protective film clear varnish | ||||||
615A | High viscosity | <7 | <3 | 70-100 | 110±5 | Drying properties, oil resistance, excellent overall performance |
640 | High viscosity | <5 | <3 | 70-150 | 110±5 | Gloss, low-temperature stability |
640L-2 | Low viscosity | <6 | <4 | 30-70 | 113±5 | Low viscosity, gloss, low-temperature stability |
611DK | High viscosity | <5 | <7 | 50-150 | 110±5 | Good chelating properties, high gloss, chemical resistance, vegetable oil resistance |
Model | Category | Amine value | Acid value | viscosity cps at 25°C | Softening point | SUNMIDE |
Mixed solvent-based polyamide photogravure ink (metal plate), surface printing resin solution, also suitable for use as a thixotropic agent in coatings. | ||||||
550 | Low viscosity | <3 | <5 | 100-150 | 110±5 | General-purpose, excellent balance |
550A | High viscosity, modified amine | <2 | <1 | 150-250 | 110±5 | Good chemical resistance, freeze resistance |
550H | High viscosity, amine-rich | <5 | <5 | 150-250 | 110±5 | Gloss, drying properties, oil resistance |
550H-6 | High viscosity | <4 | <7 | 100-250 | 108±5 | Drying properties, cold resistance |
550WX | Modified amine | <3 | <5 | 60-120 | 110±5 | Good saponification resistance, scratch resistance |
554 | Flexibility | <2 | <6 | 70-120 | 103±3 | High gloss, low-temperature stability, compatible with nitrocellulose, chelation stability |
556W-2 | Formulation of polyamide | <3 | <15 | 40-100 | 90±5 | Good adhesion to untreated PE/PP |
Special Polyamide | ||||||
50 | Waxy polyamide | <5 | <12 | —— | 120±5 | Enhances surface properties, improves adhesion, and offers unique, outstanding anti-blocking properties. |
HT-140PK-20 | High softening point | <10 | <7 | 4000-10000 | 140±10 | Excellent adhesion to PET, PP, PE, and PVC. |
Alcohol-soluble polyamide - flexible ink, various printer ribbons, protective film clear varnish | ||||||
615A | High viscosity | <7 | <3 | 70-100 | 110±5 | Drying properties, oil resistance, excellent overall performance |
640 | High viscosity | <5 | <3 | 70-150 | 110±5 | Gloss, low-temperature stability |
640L-2 | Low viscosity | <6 | <4 | 30-70 | 113±5 | Low viscosity, gloss, low-temperature stability |
611DK | High viscosity | <5 | <7 | 50-150 | 110±5 | Good chelating properties, high gloss, chemical resistance, vegetable oil resistance |
I. Product Overview:
SUNMIDE 640L-2 is an alcohol-soluble polyamide resin, a low-viscosity variant of SUNMIDE 640, suitable for flexographic printing inks. It exhibits excellent low-temperature stability.
II. Product Characteristics:
Low viscosity, low-temperature stability, good gloss.
Specification
Model | Category | Amine value | Acid value | viscosity cps at 25°C | Softening point | SUNMIDE |
Mixed solvent-based polyamide photogravure ink (metal plate), surface printing resin solution, also suitable for use as a thixotropic agent in coatings. | ||||||
550 | Low viscosity | <3 | <5 | 100-150 | 110±5 | General-purpose, excellent balance |
550A | High viscosity, modified amine | <2 | <1 | 150-250 | 110±5 | Good chemical resistance, freeze resistance |
550H | High viscosity, amine-rich | <5 | <5 | 150-250 | 110±5 | Gloss, drying properties, oil resistance |
550H-6 | High viscosity | <4 | <7 | 100-250 | 108±5 | Drying properties, cold resistance |
550WX | Modified amine | <3 | <5 | 60-120 | 110±5 | Good saponification resistance, scratch resistance |
554 | Flexibility | <2 | <6 | 70-120 | 103±3 | High gloss, low-temperature stability, compatible with nitrocellulose, chelation stability |
556W-2 | Formulation of polyamide | <3 | <15 | 40-100 | 90±5 | Good adhesion to untreated PE/PP |
Special Polyamide | ||||||
50 | Waxy polyamide | <5 | <12 | —— | 120±5 | Enhances surface properties, improves adhesion, and offers unique, outstanding anti-blocking properties. |
HT-140PK-20 | High softening point | <10 | <7 | 4000-10000 | 140±10 | Excellent adhesion to PET, PP, PE, and PVC. |
Alcohol-soluble polyamide - flexible ink, various printer ribbons, protective film clear varnish | ||||||
615A | High viscosity | <7 | <3 | 70-100 | 110±5 | Drying properties, oil resistance, excellent overall performance |
640 | High viscosity | <5 | <3 | 70-150 | 110±5 | Gloss, low-temperature stability |
640L-2 | Low viscosity | <6 | <4 | 30-70 | 113±5 | Low viscosity, gloss, low-temperature stability |
611DK | High viscosity | <5 | <7 | 50-150 | 110±5 | Good chelating properties, high gloss, chemical resistance, vegetable oil resistance |
Product Packaging: 20kg per bag
REMARK |
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract. |

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