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Resins for Leather
PU resin for synthetic leather
PU leather with excellent performance and high cost performance gradually replaces leather and PVC leather. This is the irreversible development trend of the leather industry at present. At the same time, PU leather technology itself is constantly improving and evolving.
Huada Chemical Group as the domestic polyurethane leather resin professional production enterprises. Always keep pace with The Times, take the initiative to update and iterate the formulation and technology of polyurethane resin for leather, so as to serve the changing needs of customers downstream.
1
Wet-Process PU Resin For Synth
Wet-process PU resin for synthetic resin
| Common Wet-Process PU Resin |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-6009 | 160~220 | 30±1 | DMF | 0.9 | 34.0 | 1000 | Ultra-soft, good resilience, good grain formation, good embossing performance, full hand feel | Garment |
| HDW-7008 | 160~220 | 30±1 | DMF | 0.8 | 34.0 | 1000 | Ultra-soft, low adhesion, fast solidification, high grain formation rate, high peel strength | Garment |
| HDW-1020T | 160~220 | 30±1 | DMF | 2.0 | 40.0 | 1000 | ormal soft, high resilience, easy embossing | Garment, sofa, bags |
| HDW-3020Y | 160~220 | 30±1 | DMF | 2.2 | 50.0 | 1000 | Normal soft, short solidification time, ultra-high peel strength, good embossing performance (hot pressing), suitable for large patterns | Garment, sofa |
| HDW-6020Y | 160~220 | 30±1 | DMF | 2.2 | 50.0 | 1000 | Normal soft, short solidification time, ultra-high peel strength, good embossing performance (hot pressing), full hand feel, suitable for large patterns | Garment, sofa |
| HDW-3028 | 160~220 | 30±1 | DMF | 2.5 | 55.0 | 800 | Soft, good resilience, good grain formation, good embossing performance, full hand feel, good weather resistance, peel strength decay less than 10% after 15 days under 70℃*95% tropical rainforest conditions | Sofa |
| HDW-1355 | 160~220 | 30±1 | DMF | 5.0 | 60.0 | 800 | Medium soft, good resilience, full hand feel, strong fleshy feel, good weather resistance, peel strength decay less than 10% after 15 days under 70℃*95% tropical rainforest conditions | Sofa |
| HDW-3060T | 160~220 | 30±1 | DMF | 6.0 | 65.0 | 700 | Standard medium soft, good resilience, short solidification time, excellent grain formation, good embossing performance | Sofa, bags, shoes |
| HDW-3100B | 160~220 | 30±1 | DMF | 10.0 | 65.0 | 600 | Medium hard, good embossing color change performance, clear texture, high grain formation, good wet-process film formation, good pressure change performance | Sofa |
| HDW-3150 | 160~220 | 30±1 | DMF | 15.0 | 60.0 | 600 | Medium hard, high grain formation, good wet-process film formation | Sofa, bags, shoes |
| HDW-3300B | 160~220 | 30±1 | DMF | 30.0 | 52.0 | 400 | Ultra-high hardness, good embossing color change performance, clear texture, high grain formation, good wet-process film formation, good pressure change performance | Bags |
| Wet-Process PU Resin Of Foamless Porous |
| Product name | Viscosity | Solid content | Solvent | 100% Modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-9060 | 160~220 | 30±1 | DMF | 6.0 | 85.0 | 700 | Medium hard, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes, bags |
| HDW-9090 | 160~220 | 30±1 | DMF | 9.0 | 80.0 | 600 | Standard medium hard, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes, bags |
| HDW-9140 | 160~220 | 30±1 | DMF | 14.0 | 70.0 | 600 | Hard, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes, bags |
| HDW-9220 | 160~220 | 30±1 | DMF | 22.0 | 75.0 | 550 | High hardness, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes, bags |
| HDW-9400 | 160~220 | 30±1 | DMF | 40.0 | 66.0 | 350 | Ultra-high hardness, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes, bags |
| Wet-Process PU Resin Of Foamless Porous And Hydrolytic Resistance |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-9060W | 160~220 | 30±1 | DMF | 6.0 | 85.0 | 700 | Medium hard, hydrolysis resistance over 3 years, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes |
| HDW-9140W | 160~220 | 30±1 | DMF | 14.0 | 70.0 | 600 | Medium hard, hydrolysis resistance over 3 years, foamless, water-washable, produces a foamless Base, suitable for mirror finish specific Base | Shoes |
| Wet-Process PU Resin Of High Peeling Strength |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-90H | 160~220 | 30±1 | DMF | 9.0 | 80.0 | 600 | Medium hard, low adhesion, possesses ultra-high peel strength, short solidification time, excellent embossing performance, peel strength test with 8 parts wood flour ≥ 10 kg/2.5 cm | Shoes |
| Wet-Process PU Resin Like Micro Fiber |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-1010D | 80~120 | 33±1 | DMF | 1.0 | 20.0 | 800 | High resilience, imitation microfiber impregnation resin | Shoes |
| HDW-1009B | 160~220 | 30±1 | DMF | 1.0 | 20.0 | 800 | Soft, fleshy feel, imitation microfiber coating resin | Shoes |
| Wet-Process PU Resin Of Hydrolytic Resistance For Three Years |
| Product name | Viscosity | Solid content | Solvent | 100% Modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-6019B | 160~220 | 30±1 | DMF | 2.5 | 44.0 | 700 | Soft, good resilience, good grain formation, good embossing performance, full hand feel, good hydrolysis resistance, peel strength retention rate > 50% after soaking in 5% NaOH at 25℃ for 12h, no surface cracking after soaking in 10% NaOH at 25℃ for 48h | Sofa, shoes |
| HDW-3029A | 160~220 | 30±1 | DMF | 2.8 | 44.0 | 700 | Soft, good resilience, good embossing performance, full hand feel, high peel strength, ≥3.5 kg/2.5 cm, excellent aging resistance, no cracking or powdering on the Base surface after 170℃*40 min, good hydrolysis resistance, peel strength retention rate > 85% after soaking in 10% NaOH at 25℃ for 12h. | Sofa, shoes |
| HDW-3052A | 160~220 | 30±1 | DMF | 5.0 | 45.0 | 600 | Medium soft, good resilience, good embossing performance, full hand feel, high peel strength, ≥3.5 kg/2.5 cm, excellent aging resistance, no cracking or powdering on the Base surface after 170℃*40 min, good hydrolysis resistance, peel strength retention rate > 85% after soaking in 10% NaOH at 25℃ for 12h. | Sofa, shoes |
| HDW-3098A | 160~220 | 30±1 | DMF | 10.0 | 58.0 | 600 | Hard, good embossing performance, smooth surface, full hand feel, high peel strength, ≥3.5 kg/2.5 cm, excellent aging resistance, no cracking or powdering on the Base surface after 170℃*40 min, good hydrolysis resistance, peel strength retention rate > 60% after soaking in 10% NaOH at 25℃ for 12h. | Shoes, split leather |
| Wet-Process PU Resin Of Hydrolytic Resistance For Eight Years |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDW-30EA | 160~220 | 30±1 | DMF | 3.0 | 44.0 | 700 | Soft, good grain formation, good resilience, high hydrolysis resistance type, peel strength decay < 10% after 8 weeks under 70℃*95% humidity conditions, excellent aging resistance, initial peel strength high, peel strength decay < 10% after 140℃40 min, no surface cracking and peel strength unchanged after soaking in 10% NaOH at 25℃ for 48h, no surface cracking and peel strength retention > 90% after soaking in 10% NaOH at 25℃ for 72h, high initial peel strength, forms a wet-process porous layer with high peel strength to the base fabric | Sofa, automotive |
| HDW-50EA | 160~220 | 30±1 | DMF | 5.0 | 45.0 | 600 | Medium soft, good grain formation, good resilience, high hydrolysis resistance type, peel strength decay < 10% after 8 weeks under 70℃95% humidity conditions, excellent aging resistance, initial peel strength high, peel strength decay < 10% after 140℃*40 min, no surface cracking and peel strength unchanged after soaking in 10% NaOH at 25℃ for 48h, no surface cracking and peel strength retention > 90% after soaking in 10% NaOH at 25℃ for 72h, high initial peel strength, forms a wet-process porous layer with high peel strength to the base fabric | Sofa, automotive |
2
Dry-Process PU Resin
Dry-process PU resin for synthetic resin
| Dry-Process PU Resin For High Color Contrast Properties |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-30A | 80~120 | 30±1 | DMF/DMC | 3.0 | 45.0 | 750 | Soft, good color development, suitable for brightly colored applications | Garment, bags, sofa |
| HD-50A | 80~120 | 30±1 | DMF/DMC | 5.0 | 50.0 | 700 | Medium soft, good color development, suitable for brightly colored applications | Garment, bags, sofa |
| HD-80A | 80~120 | 30±1 | DMF/DMC | 8.0 | 62.0 | 650 | Medium hard, good color development, suitable for brightly colored applications | Garment, bags, sofa |
| Dry-Process PU Resin For Glossy Leather |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-1100 | 80~120 | 30±1 | DMF/TOL | 10.0 | 55.0 | 800 | Hard high-transparency mirror resin, strong transparent feel when used alone, easy to peel from release paper | Bags |
| HD-1200 | 80~120 | 30±1 | DMF/TOL | 20.0 | 55.0 | 800 | High hardness high-transparency mirror resin, strong transparent feel when used alone, easy to peel from release paper | Bags |
| Dry-Process PU Resin For Super-abrasion Proof |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-50MK | 80~120 | 30±1 | DMF/DMC | 5.0 | 70.0 | 500 | Medium hard, smooth surface, with abrasion resistance, scratch resistance, and excellent pigment compatibility, also resistant to swelling deformation caused by adhesive solvents, can be applied to MOKArelease paper | Sofa, shoe leather |
| HD-80NM | 80~120 | 30±1 | DMF/TOL | 8.0 | 52.0 | 600 | Medium hard, smooth surface, with abrasion resistance, scratch resistance, and excellent pigment compatibility, also resistant to swelling deformation caused by adhesive solvents, TABLE H18/50g >2000 revolutions | Sofa, furniture |
| Dry-Process PU Resin For Antifouling |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HL-7052 | 80~120 | 30±1 | DMF | 5.0 | 55.0 | 700 | Medium hard type surface polyurethane resin solution, designed for furniture leather needs, anti-graffiti, coffee stain resistant, leather made with this resin has a smooth hand feel, excellent scratch resistance, and excellent abrasion resistance | Sofa, furniture |
| Dry-Process PU Resin For Cold Resistance And Hydrolytic Resisitance |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-30NH | 80~120 | 30±1 | DMF/DMC | 3.0 | 30.0 | 600 | Soft, hydrolysis resistant, cold resistant | Sofa, shoes |
| HD-30NF | 80~120 | 30±1 | DMF/DMC | 3.0 | 30.0 | 600 | Soft, hydrolysis resistant, cold resistant | Sofa |
| HD-80NF | 80~120 | 30±1 | DMF/DMC | 8.0 | 60.0 | 500 | Hydrolysis resistant, cold resistant | Sofa |
| Semi-PU Dry Resin (PVC) |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-70V | 80~120 | 30±1 | DMF/DMC | 7.0 | 65.0 | 500 | Medium hard, anti-plasticizer migration, applied to PVC | Bags, sofa |
| HD-150V | 80~120 | 30±1 | DMF/DMC | 15.0 | 70.0 | 450 | Hard, anti-plasticizer migration, applied to PVC | Bags, sofa |
| HD-350V | 80~120 | 30±1 | DMF/DMC | 35.0 | 60.0 | 300 | Ultra-high hardness, anti-plasticizer migration, applied to PVC | Bags, sofa |
| Injection Moulding Speciality Resin |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-150ZS | 80~120 | 30±1 | DMF/DMC | 15.0 | 45.0 | 400 | Injection molding resin | Shoes |
| Dry-Process PU Resin For Thermostability |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-15GW | 80~120 | 30±1 | DMF/DMC | 15.0 | 35.0 | 850 | Soft, anti-adhesion, high temperature resistant | Garment |
| HD-50GW | 80~120 | 30±1 | DMF/DMC | 5.0 | 55.0 | 600 | Anti-adhesion, high temperature resistant | Garment |
| Special Float Knife Resin For Shoe Lining Leather |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-220A | 80~120 | 30±1 | DMF/DMC | 20.0 | 65.0 | 350 | Hard, smooth hand feel, abrasion and scratch resistant, applied with float knife | Shoe lining leather |
3
One Component Adhesive Layer
One component dry-process PU resin for adhesive layer
| One component dry-process PU resin for adhesive layer |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-5018 | 80~120 | 50±1 | DMF/TOL | 5.0 | 32.0 | 740 | Soft hand feel, high solid content, high water pressure resistance, high bonding strength, water pressure can reach above 20000 for base material | Garment |
| HD-5020A | 80~120 | 50±1 | DMF/TOL | 5.0 | 32.0 | 740 | Low softening point, high solid content, high bonding strength, swelling deformation resistant | Shoe lining, bags |
| HD-5050A | 80~120 | 50±1 | DMF/TOL | 5.0 | 32.0 | 740 | Soft hand feel, low softening point, thermal lamination property, high bonding strength, particularly suitable for water-rubbing process, the rubbed surface layer has fine wrinkles similar to genuine leather, improves blackness if black | Garment, bags |
| HD-4633 | 80~120 | 46±1 | DMF/DMC | 3.0 | 50.0 | 600 | Hydrolysis resistant, cold resistant, high peel strength, suitable for laminating polyether type Base | Garment, bags |
| HDP-50 | 140~180 | 48±1 | DMF/TOL | 4.0 | 50.0 | 500 | PVC specific one-component adhesive, high lamination fastness, anti-plasticizer migration | Bags, sofa |
4
Two Component Adhesive Layer
Two components adhesive
| Two component dry-process PU resin for adhesive layer |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HDA-1001 | 160~220 | 65±1 | DMC/TOL | 1.5 | 15.0 | 500 | Soft hand feel, good hydrolysis resistance, good hand feel, soft, economical, good adhesion, maintains soft hand feel at low temperatures | Dry lamination, composite fabric |
5
Dry-Process PU Resin For Fabri
Coating resin
| Dry-Process PU Resin For Fabric Coating |
| Product name | Viscosity | Solid content | Solvent | 100% modulus | Tensile strength | Elongation | Characteristics | Application |
| Viscosity | Mudulus | Tensile Strength | Elongation | |||||
| Name | (Pa.s/25℃) | Solid(%) | Solvents | (MPa) | (MPa) | (%) | Characterstics | Applications |
| HD-8030N | 80~120 | 30±1 | DMC/TOL | 3.0 | 30.0 | 800 | Direct coating surface resin, high water pressure resistance | Garment, tent |
| HD-8050N | 80~120 | 30±1 | DMC/TOL | 5.0 | 45.0 | 600 | Direct coating surface resin, high water pressure resistance | Garment, tent |
| HD-8080N | 80~120 | 30±1 | DMC/TOL | 8.0 | 70.0 | 500 | Direct coating surface resin, high water pressure resistance | Garment, tent |
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