Joining methods, including PVA adhesive, spray adhesive, solvent cement, hot melt glue (glue gun), epoxy resin, glue sticks, single and double-sided adhesive tape Pre-manufactured components including Velcro, double sided sticky pads, paper fasteners, eyelets, press fit ‘click’ fasteners, Clic rivets (plastic rivets), and their suitability for different situations. JOINING MATERIALS

TASKS 1. Adhesives – worksheet 2. Manufactured components – worksheet 3. Questions

ADHESIVES PictureDescriptionUse PVA general purpose glue, is white but dries clear, takes about 3 hours to dry. Excellent for card and wood but sometimes makes paper wrinklegluing card and wood SPRAY AD HE SIV E adhesive in an aerosol can, good for large areas and can be repositioned. Can be messy and needs to be done in a ventilated area. Does not stain, soak or wrinkle. good for mounting photos onto paper/board SOLVEN T CE ME NT liquid adhesive, applied to both surfaces using a small brush. The liquid welds the 2 pieces of plastic together. Harmful to skin and eyes and needs to be done in a ventilated area. used to glue thin pieces of plastic together GLUE GU N quickly bonds materials together. Glue sticks are put into one end of the gun and then pushed through and electronically heated. Softened glue comes out of the nozzle as a thick liquid. Care must be taken about burns to the skin. Glue sticks available in different colours general purpose used on materials like wood, fabric and card EPOXY RE SIN trade name 'Araldite' comes in 2 parts that you have to mix together. When mixed the adhesive is very strong. Needs to be used in a ventilated area. string adhesive that bonds most materials GLUE STI CK dry clear, cheap, easy and safe to use. Fairly weak bondto stick paper and card SELLOT AP E gloss finish tape which is sticky on one side quick adhesive for models. Used on wrapping paper DOUBLE SID ED TA PE film which is sticky on both sides. things which are sent flat pack, nets.

PRE MANUFACTURED COMPONENTS DrawingDescriptionUses VELCRO a fabric hook and loop temporary fastener. When the 2 sides are pressed together the hooks catch in the loops and hold the pieces together. Can be easily separated by pulling them apart. large flat pack products or advertising display boards DOUBLE SIDED STICKY PADS small piece of foam coated on each side with a strong adhesive, a fairly permanent fixing method display work, used to make 3D greetings cards PAPER FASTENERS Paperclip or split pin temporary joining method, may allow for moving parts EYELETS metal fixing used to reinforce a holebanners PRESS FIT CLICK FASTENERS installed from one side, first make a hole through the sheets and then push the top through by hand, semi permanent and can be removed with a screwdriverused to join sheet material PLASTIC RIVETS comes in two parts which press and click togetherused to join sheet material

1. What type of glue would you use to stick: a.) two pieces of paper together b.) photos onto a piece of card c.) a piece of paper to a piece of wood d.) corrugated card onto foam board 2. Derek is making a model of a house using cardboard. He needs to fold his net up to form the 3D model but he does not want to use glue. Suggest how Derek could secure his model without affecting the appearance of the outside. 1. A = glue stick B = spray mount C = PVA D = glue gun 2. Double sided tape