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<p>[QUOTE=&quot;calcol, post: 3677375, member: 77639&quot;]I don’t know that there are any crystal clear plastics that can withstand 350F for very long.&nbsp; Slabs could be made with fluoroplastics and tempered glass windows that could withstand that heat indefinitely.&nbsp; They’d cost a bunch though.</p><p><br /></p><p>Don’t think fire is a big worry for SDBs in banks.&nbsp; They have good smoke and heat detection, and many have fire sprinklers.&nbsp; Bigger worry is theft and floods.&nbsp; Theft risk can be reduced by using a bank in the Federal Reserve System instead of a SDB-only “bank”.&nbsp;&nbsp; Federal Reserve has security requirements for member banks.&nbsp; Flood risk can be reduced by having a box that is at least waist-high off the floor, and don’t use a bank that has the SDBs in the basement.</p><p><br /></p><p>Insurance for coins in SDBs is relatively cheap.</p><p><br /></p><p>Cal[/QUOTE]</p><p><br /></p>

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