Crazing occurs in polymers, because the material is held together by a combination of weaker Van der Waals forces and stronger covalent bonds. Sufficient local stress overcomes the Van der Waals force, allowing a narrow gap. Once the slack is taken out of the backbone chain, covalent bonds holding the chain together hinder further widening of the gap. The gaps in a craze are microscopic in size. Crazes can be seen because light reflects off the surfaces of the gaps. The … Webwonderful original patina from the old crazed varnish . The box is made of of a group of mixed woods. Category 19th Century American Antique Primitive Wood Box. Materials. Pine. View Full Details. Early 19thc Inlaid Broken Stars Jewelry Box. H 5 in. W 9 in. D 7 in.
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WebApr 18, 2006 · Let the cleaner sit on your furniture for 10-15 minutes before removing. Then make an oil and vinegar mix of 3 parts oil to 1 part vinegar and rub it on your furniture. To … WebMay 22, 2024 · On many old Cremonese violins it looks like the varnish has chipped off. We use packing tape to reproduce the majority of this effect. This is heavily influenced by the … lierihattu
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WebMay 4, 2016 · Temperature and humidity changes - for example, if you move from New Orleans, the city in the US with the highest humidity levels, to Arizona, where it is dryer … WebFine scratches can easily be repaired by wiping or brushing, whereas crazing is best repaired by misting or fogging. If more than fogging is required, lightly sand the surface with a very fine sand paper, such as … http://www.drwoodwell.com/index.php/FurnitureRestorationTips/2010-01-02#:~:text=To%20remove%20a%20%22crazed%22%20or%20%22alligator%22%20finish%20in,obtained.%20Complete%20by%20buffing%20with%20a%20clean%20cloth. batistuta messi