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Requirements for paraffin wax as candle wax base

Requirements for paraffin wax as candle wax base

Paraffin wax have got to match "hydrogenation quality". This term represents a product purity that is characterized by the following criteria of purity irrespective of the refining methods used:

• Melt Point ASTM D87: Provides Information On Temperature At Which Most Of A Given Paraffin Wax Changes From A Solid To A Liquid.
• Congealing Point ASTM D938: Measures When A Paraffin Wax Ceases To Flow.
• Drop Melt Point ASTM D127: Generally Used On Waxes That Don't Show A Melting Plateau Such As Petrolatum And Microcrystalline Waxes.
• Needle Penetration ASTM D1321: Measures The Hardness Of Wax.
• Oil Content ASTM D721: The Amount Of Oil In Wax. Indicates Degree Of Refining.
• Kinematic Viscosity ASTM D445: The Resistance To Flow Of A Molten Wax At The Test Temperature.
• Color ASTM D6045: Visual Comparison Of Wax Color (Molten) Against Glass Color Standards.

Requirements for wicks

1. The wick consists of uniform, tear-resistant yarn made of medium-stapled and long-stapled fibers on cellulosic basis.
2. Cotton has got to fulfill the criteria of Öko-Tex Stand-ards 100 I or II.
3. Other materials may be used for supporting threads if their intended use as candle wick is in line with the aspects of preventive health protection.
4. Wicks used in candles must not contain more than 5 mg/kg lead or 5 mg/kg nickel.
5. The design of the wick used in candles has got to comply with the manufacturer´s documentation

 

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