- Sodium Hydroxide >99%
- Other names: Caustic Soda, Sodium Hydroxide, Lye.
- Cleaning and unblocking drains.
- Cleaning the limescale off toilets below the waterline.
- Can be used as a paint stripper. Outdoor use only.
- Used to make soap. Please do further research into the appropriate directions.
- Decking cleaner.
Warning: Caustic Soda is highly corrosive please read safety instructions and take all pre-cautions and use appropriate safety equipment. Do not touch direct to skin as it will burn skin within seconds.
Available Sizes: 5kg and 20kg
*All information provided is a recommendation. We cannot guarantee the uses as each application has various characteristics and therefore we cannot be certain it will work for you*
Warning: Corrosive. Risk of serious damage to eyes. Causes severe burns. Avoid contact with skin and eyes. Wear suitable gloves and eye/face protection. may give off harmful gases if mixed with other
Below are commonly asked questions. All answers provided are merely recommendations. Please do further research and test yourself. If you have any questions please feel free to ask.
Can caustic soda be used for soap making?
Yes, our caustic soda is used for soap making.
Caustic soda is better when making solid soaps whereas potassium hydroxide is better for making liquid. This is based from customer feedback, you will need to do your own testing to validate this information.
Do you sell caustic soda food grade?
Our Caustic Soda is not safe to use in food processing. We do not sell food grade caustic soda products but you may be able to find it somewhere else.
Painted SandstoneBy: Danny Iannella on 15 June 2019Applying a small amount at a time and washing off with running tap water , i was able to remove old paint from sandstone . Eye protection and rubber gloves must be worn for safety .
Caustic Soda Pearl Sodium Hydroxide 5kgBy: Ade Kelly on 10 November 2018Excellent product for my purpose of unclogging a major drain pipe, cleared the blockage with 2 x 500gm applications within 2 hours. The product is well saftey packaged, and good value for the price. Ordered online and delivered from NSW to VIC promptly. Thank you for your good service, can highly recommend.