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Rewoquat W3690 PG is a surfactant that can be used for chemical fossil preparation. Acid-free chemical extraction. Suitable for removing marly matrix from calcitic fossils. Dilute as required with isopropanol (typically 3-4 parts Rewoquat to 1 part isopropanol). Use mechanical preparation methods to expose as much of the fossil as possible. Then leave in a sealed container. Keep checking every few hours. Rinse thoroughly and repeatedly with water after application until no foam forms. 

We recommend purchasing some Isopropanol too as this product requires dilution before use. 

Read our article on using Rewoquat here. 

Safety Data Sheet

18+ only. Store out of reach from children and animals. 

Subject to Dangerous Goods Shipping Rules. Due to the nature of this product, we are restricted by our couriers to England and Wales mainland shipping only (excludes IOW). We can ship to IOW and Scotland, but surcharges will apply*. Unfortunately, international shipping is not possible at this time. 


*IOW surcharge £11.50+ VAT

*Scottish Lowlands Surcharge £4.50 + VAT

*Scottish Highlands Surcharge £15.50+ VAT

If you are happy to accept these surcharges, process your order as normal and we will be in touch with a payment link for the remaining balance. 

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