| Molecular Principal Chain: | Carbon Chain Polymer |
|---|---|
| Color: | Transparent to Slightly Yellow Liquid |
| Oh Value: | 38-42 (Mgkoh/G) |
| Solid Content: | 42±3% |
| Viscosity: | 1500-2500(Cps/25 ºC) |
| Characteristic: | Benzene Freechemical Resistance and Wear Resistanc |
| Samples: |
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| Customization: |
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Audited Supplier | WD7771 | is a solvent based acrylic resin containing - OH, which can bond with isocyanates Suitable for various functional coatings. For various plastic substrates and hard metals such as magnesium alloys Good adhesion, excellent chemical resistance and wear resistance, preparation of primer (PU, UV, rubber paint primer) High performance specialized resin with 1K system. |
| colour value | ≤ 2(Fe-Co) |
| Solid Content | 42±3% |
| Viscosity | 1500-2500(CPS/25 ºC) |
| Appearance(25ºC) | Light yellow transparent liquid |
| Acid value | ≤ 4(mgKOH/g) |
| characteristic | Excellent adhesion performance to hard metals such as engineering plastics and magnesium alloys; Resistance Excellent RCA performance; Excellent resistance to alcohol and boiling water; Chemical resistance and drug resistance Good resistance to cold and hot cycling; Good pigment dispersibility, good compatibility with CAB and NC; For aluminum Good powder arrangement, excellent adhesion with UV, PU, and rubber paint layers, without benzene. And UV tree Good compatibility with grease, increased flexibility, prevented cracking |
| Application | Suitable for 3C digital devices such as mobile phones; Protective coating for laptops; Automotive interior and exterior decoration Pieces; Universal color paste has excellent compatibility and color development during grinding |
| package | 20KG net weight iron bucket and 200KG net weight iron bucket. |
| storage | The resin should be stored in a properly sealed container protected from light at 0-35ºC; Under this condition,the storage stability of this product should be at least 6 months; |
| secure | Irritating to eyes and skin: Skin contact may cause allergies: You should carefully read the Safety Data Sheet(MSDS):including relevant information on labeling,transportation, and storage Information, as well as relevant information on product use,product safety,and ecology. |
| pay attention to | Please wear protective gloves during operation to avoid contact with the skin; In case of accidental contact with skin and eyes Or clothing,please wash with soap and water(rinse eyes with plenty of water). For detailed instructions, please refer to Read the Material Safety Data Sheet |
The data provided by this product is accurate and is used in conjunction with other company materials during use, and is not subject to our supervision. Therefore, our company does not assume any legal responsibility for the recommended products. Please test its adaptability in advance.
Introduction to WD7771 High Performance Resin
The hydroxyl acrylic resin WD7771 newly developed by Dongguan Qinggang Company has good adhesion to various plastic substrates and hard metals such as magnesium alloys, and has excellent performance
Chemical resistance and wear resistance, environmentally friendly and benzene free, it is a high-performance specialized resin for preparing primer (PU, UV, rubber paint primer)High performance specialized resin with 1K system.
Basic product parameters
Appearance: Transparent to slightly yellow liquid; Gushe: 41-45% (baked at 150C for 1 hour; OH value: 38-42 (mgKOH/e); Acid value: S4 (mgKoH/g)
Viscosity: 1500-2500 (nPa. s); Solvent: BAC, MIBK
WD7771 and a Japanese resin(17XX) Comparison:
| est items Used as a 1K system |
Qinggang WD7771 | Japanese resin (17XX) |
Remarks |
| Used as a primer system (adhesion with PU primer rubber paint) |
5B | 3B | adhesion |
| Water boiling resistance 100 ºC * 1h (PC material) |
5B | 3B | adhesion |
| RCA wear-resistant (175g weight) |
>40 times | >40 times | Paired with three self-developed wax powders, single Apply RCA for wear resistance>100 times |
| Pencil hardness 500G weight | H | F | Japanese Mitsubishi Pencil |
| Elephant leather wear-resistant | >1000 times | >700 times | American CS-10F rubber, 1KGWeights |
| Alcohol test (98% concentration) | >400 times | >400 times | 1KGWeights |
| High temperature and humidity testing | 5B | 4B | Temperature (55 ± 2 ºC)95% RH * 72 hours |
| High and low temperature storage testing | 5B | 4B | -40 ºC± 2 ºC+60 ºC± 2 ºC*72H adhesion test |
| Durable cosmetics | 5B | 3B | Hand cream, sunscreen, foundation make-up Liquid trinomial |
| ABS+PC material | 5B | 5B | adhesion |
| PC+20% fiberglass material | 5B | 3B | adhesion |
| Stainless steel material | 4B | 1B | adhesion |
| Magnesium alloy material | 5B | 2B | adhesion |
| Recoating property | 5B | 2B | adhesion |
| Used for color paste grinding | ----- | ---- | Good compatibility with toner, color development Good usability and strong versatility. |
Note: Based on the above experimental data, it is known that WD7771 has excellent physical properties and is a rare high-performance specialized resin for making 3C digital, laptop, household appliances, automotive interior and exterior decorations, and other products.
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Experimental/Office Area
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