Adhesives contact adhesive acrylic cement polystyrene cement epoxy resin polyvinyl acetate (PVA) 3.0 / 5 based on 1 rating ? Design & TechnologyASAll boards Created by: daniellaCreated on: 27-04-12 11:09 Contact Adhesive Advantages: Bonds unlike materials Bonds form quickly (less need for clamping together) Ideal for gluing large sheets of materials sold in metal tubes - easy to apply Disadvantages: Applied to both surfaces, need to allow time before being stuck together Relatively expensive Solvent-based - contains volatile organic compounds (VOC) 1 of 5 Acrylic Cement Advantages: Rapid Bonding of acrylics Disadvantages: Can be difficult to apply Can be difficult to give a neat joint Relatively expensive Solvent-based - contains volatile organic compounds (VOC) 2 of 5 Polystyrene Cement Advantages: Strong bond (melts surface so pieces weld together) Water like consistancy (able to use a brush to apply) Disadvantages: Relatively Expensive Solvent-based - contains volatile organic compounds (VOC) 3 of 5 Epoxy Resin Advantages: High strength bonds Chemical reaction hardens immediately Versatile (can be flexible, rigid, transparent, opaque, coloured, rapid or slow setting) Excellent heat and chemical resistance Disadvantages: Reaches full strength after a few days Expensive Can be messy (requires manual mixing of resin and hardener) 4 of 5 Polyvinyl Acetate (PVC) Advantages: Strong Joint Relatively inexpensive Disadvantages: Surfaces need to be securely clamped for a long time Generally not waterproof 5 of 5
Comments
No comments have yet been made