General: Pratley Steel Putty is an exceptionally high strength, hand moldable, putty-like adhesive. Mixing equal proportions of the resin and hardener supplied in the form of sticks yields a highly versatile, medium speed putty with a 1001 uses. Features: Very high strength. Medium speed cure. Can be shaped and molded. Adheres to most rigid materials. Once set can be sawn, filed, machined, sanded. Accepts paint. Good electrical insulator. Withstands most chemicals, mild acids, oil, petrol, etc. Can be smoothed and shaped with a wet finger or spatula. Time to set: (Temperature & quantity dependent) Sets hard in ± 45 minutes (at 23°C). Should be applied within 15 minutes of mixing. Reaches 75% strength in 8 hours. Reaches full strength in 2 days. Surface preparation: Surfaces to be bonded must be free of loose dirt, rust, paint, oil and grease. Wire brushing or sanding will substantially enhance adhesion to smooth surfaces. Mixing procedure: 1. Place the sticks side by side and without removing the wrapping. Simultaneously cut equal amounts off each stick with a sharp knife 2. Remove wrapping from cut parts. 3. Place both parts together between your fore- fingers and thumb and knead putty between fingers using both hands for ± 1 minute 4. Roll a sausage between the palm of your hands, applying lots of pressure onto putty whilst rolling. 5. Fold sausage into a ball and repeat step 4 6. Keep on repeating step 4 & 5 for ± 6-8 minutes.
