 Autoglym moved to Letchworth in 1991 allowing increased manufacturing output, larger research and development facilities, larger product testing and development bays and the unification of the sales and manufacturing departments on one site.1991 also brought about a new line of products, the body shop range.This was developed in response to requests from customers who wanted a silicone free range of compounds, dressings and glass cleaners that would be safe to use in strictly silicone free environments.