Dongxin Melamine (Xiamen) Chemical Co., Ltd.
| Product namee | UF |
| Material | 30% of melamine |
| Color: | customized powder |
| Type | plasthetics |
| MF | (C2H4N6O2)n |
| Viscosity 25℃ | 4000CPS |
| Ash Content | 0.03% Max |
| Packing: | 25kg/50kg/500kg/1000kg/bag |
| Payment Terms | L/C, D/A, D/P, T/T |
| Supply Ability | 7000 Metric Ton/Metric Tons per Month |
| Delivery Time | 15 days after be paid |
| Packaging Details | 25kg PP woven bag with inner waterproof in general |
| Brand Name | shuanghaijin |
| Model Number | A1 |
| Certification | SGS |
| Place of Origin | Jiangxi china |
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Product Specification
| Product namee | UF | Material | 30% of melamine |
| Color: | customized powder | Type | plasthetics |
| MF | (C2H4N6O2)n | Viscosity 25℃ | 4000CPS |
| Ash Content | 0.03% Max | Packing: | 25kg/50kg/500kg/1000kg/bag |
| Payment Terms | L/C, D/A, D/P, T/T | Supply Ability | 7000 Metric Ton/Metric Tons per Month |
| Delivery Time | 15 days after be paid | Packaging Details | 25kg PP woven bag with inner waterproof in general |
| Brand Name | shuanghaijin | Model Number | A1 |
| Certification | SGS | Place of Origin | Jiangxi china |
| High Light | Synthetic Urea Formaldehyde Resin Powder ，Granular Solid Urea Formaldehyde Resin Powder ，Granular Solid uf Resin Powder | ||
Synthetic Urea Formaldehyde Resin Powder Granular Solid Translucent
Industry Base Urea Molding Compound Raw Material
what is Urea formaldehyde
Urea formaldehyde is a translucent thermosetting resin made by heating urea and formaldehyde in an ammonia or pyridine solution. A polymer formed by the reaction of urea with formaldehyde. Also known as urea formaldehyde resin. UF for short. Processing molding occurs when crosslinking, products for the thermosetting resin insoluble not melt. Cured urea-formaldehyde resin is lighter in color than phenolic resin, translucent, weak acid and alkali resistance, good insulation, excellent wear resistance, low price,
Linear urea-formaldehyde oligomer can be obtained by condensation of urea and 37% formaldehyde aqueous solution under the catalysis of acid or alkali. In industry, alkali is used as catalyst, and the molar ratio of formaldehyde/urea is 1.5~2.0 at about 95℃ to ensure the resin can be cured. The first step of the reaction is to produce one and two hydroxymethyl urea, and then further condensation of hydroxymethyl and amino groups to obtain a soluble resin. If catalyzed by acid, it is easy to lead to gel. The product must be stored under neutral conditions. Linear UF resins can be cured at room temperature with ammonium chloride as curing agent.
property | Standard data | Test Methods | Test Results |
Flow(mm) | 140-200 | GB13454-2 | 194 |
Volatile matters | ≤4.0% | GB/T13455 | 3.7% |
Boiling water resistance | GB13454-2 | No mushy | |
Flexural strength ≥Mpa | ≥80 | GB9341 | 85.4 |
Charpy impact strength(notched) kJ/m2 | ≥1.5-2.1 | GB1043 | 2.0 |
Temperature of deflection °C | ≥115 | GB1634 | 118°c |
Water absorption | ≥100 | GB1034 | 86 |
Moulding shrinkage % | 0.6-1.00 | GB13454-2 | 0.7 |
Curing time | 16-28’S | ||
| Melting point | 92℃ | ||
| boiling point | 19℃ |
The molding powder is cured by heating at 130~160℃, and the curing process can be accelerated by accelerators such as zinc sulfate, trimethyl phosphate and diethyl oxalate. Urea-formaldehyde resin is mainly used in the manufacture of molded plastics, household goods and electrical components, and can also be used as board adhesives, paper and fabric sizing, laminating panels, building decorative boards, etc. Because of its light color and easy coloring, products are often rich in color.
Packing and shipping
Packing: White box, Color box, Brown box , it all depends on customer's requirements.
Delivery time: 15-25 days based on MOQ.
Payment term: T/T, Western Union, Paypal, LC at sight.
Shipping Type: FOB/CIF by Sea/Air, Express etc.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
10,000,000-10,000,000
Employee Number:
800~1000
Ecer Certification：
Verified Supplier
Dongxin Chemical is an integrated group company whose main business range covers amino moulding compound and melamine tableware. Headquartered in Ganzhou, Jiangxi, with branch factories in Jiexi of Guangdong, Guilin of Guangxi and Shaowu of Fujian, the company covers an area of 700,000 square meters... Dongxin Chemical is an integrated group company whose main business range covers amino moulding compound and melamine tableware. Headquartered in Ganzhou, Jiangxi, with branch factories in Jiexi of Guangdong, Guilin of Guangxi and Shaowu of Fujian, the company covers an area of 700,000 square meters...
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