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dip-coat material

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点击次数:959 更新时间:2021年10月30日17:17:35 打印此页 关闭

  1. Phenolic resin

  Advantages: High hardness, moisture resistance, heat resistance, boiling water resistance, acid resistance, chemical resistance

  Disadvantages: Poor alkali resistance, will explain when encountering alkali; Has a certain degree of brittleness; The color is dark and the application range is limited.

  2. Urea formaldehyde resin

  Advantages: high initial viscosity, light color, certain water resistance, easy solubility in water and general solvents, and low price;

  Disadvantages: aging resistance, wear resistance, low temperature resistance, poor water resistance and bonding strength; Resin film is prone to cracking.

  3. Polyvinyl acetate

  Advantages: Fast curing at room temperature, colorless and transparent adhesive layer, no need for curing agent for initial adhesion, resistance to dilute acid and alkali;

  Disadvantages: Poor water resistance, moisture resistance, and cold resistance; Moisture absorption, poor heat resistance, and long-term film creep.

  4. Dipropylene phthalate

  Advantages: Water resistance, heat resistance, aging resistance, chemical resistance, electrical insulation, softness without cracking, high mechanical strength;

  Disadvantages: High requirements for monomer control, easy to dry and peel off from the substrate.

  5. Unsaturated polyester resin

  Advantages: Cold resistant, heat-resistant, wear-resistant, drug resistant, will not shrink or curl edges, high transparency, good luster;

  Disadvantages: The formula requires the addition of initiators and accelerators, and the use is complex; The paint film is brittle and has poor impact resistance.

  6. Melamine

  Advantages: Colorless and transparent, water-resistant, heat-resistant, wear-resistant, stain resistant, high bonding strength, and glossy;

  Disadvantages: After solidification, it is brittle and prone to surface cracks; Long term high temperature and high humidity durability have greatly decreased.

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