| One of the most popular molds for candles is the | | | | of glass candle molds. This dept, ASTM for short, |
| glass jar, but are all glass candle jars created | | | | has developed a list of specifics that any glass |
| equal? Simply stated, no they are not. | | | | candle jar must meet. If it doesn't - it should not |
| Most people never even consider this. They | | | | be sold. |
| assume since it is glass that it can withstand high | | | | Now not to worry, most reputable glass candle |
| temperatures and therefore must be a good | | | | jar manufacturers can meet these standards, so |
| candidate for a candle mold. Well, this is true in | | | | that if you buy from them you can rest assured |
| many cases, but not necessarily all the time | | | | that the jars will be good and safe. |
| because the simple matter of fact is "Not all glass | | | | What you need to worry about is the cute little |
| candle jars are created equal". | | | | glass jars you bought at the neighbor's yard sale. |
| The reason for this is due to unseen flaws in the | | | | They may have been inexpensive and cute, and |
| glass. After using a glass jar for awhile it develops | | | | they may be totally safe, but you just don't |
| nicks and chips, which are small, but nevertheless | | | | know for sure. |
| are still there. These nicks become stress points | | | | The bottom line is this decision of what glass jars |
| that under the right conditions, like getting hot, | | | | to use is up to you. Probably in many instances, a |
| may release the stress and break, spilling the hot | | | | nice thick glass jar may be totally safe, but again |
| wax. | | | | you just don't know. |
| Other glasses may simply be too thin, such that | | | | If you are selling candles, your wisest choice is to |
| when they get hot, they get stressed and if they | | | | buy jars from a reputable vendor and then you |
| get a little bump, could break and release the hot | | | | can have a little more confidence that the jar was |
| wax. | | | | made to strict standards and should be fairly safe. |
| Glass jars for candles is really an important thing. | | | | Safety or cheapness - that is question that you |
| So important that a US government department | | | | need to answer. |
| has written stringent standards on the production | | | | |