[ boiled leather armor can be crafted with the following recipes

Player Recipe
Primary skill used: chemistry(4)
Required skills: tailor(3)
Time to complete: 60 minutes
Tools required:
> 1 tool with food cooking quality of 3
> 1 tool with awl quality of 1
> 1 tool with sewing quality of 1
> 1 tool with cutting quality of 1
> hotplate (20 charges) OR multi cooker (20 charges) OR charcoal smoker (20 charges) OR integrated welder (20 charges) OR atompot OR nearby fire OR chemistry set (20 charges) OR charcoal cooker (20 charges) OR hexamine stove (20 charges) OR gasoline cooker (20 charges) OR mess kit (20 charges) OR military mess kit (20 charges) OR lamp oil cooker (20 charges) OR soda can stove kit (20 charges) OR survivor mess kit (20 charges) OR CRIT mess kit (20 charges) OR heat cube (20 charges) OR heat cube (torch on) (20 charges) OR basecamp stove (20 charges) OR basecamp fireplace (20 charges) OR basecamp stove (20 charges) OR smoking rack (20 charges) OR basecamp charcoal smoker (20 charges)
Components required:
> 10x water OR 10x clean water
> 2x wax OR 10x vinegar OR 20x pine bough OR 8x alien tallow OR 8x tallow OR 8x unusual tallow OR 8x human tallow OR 8x unusual humanoid tallow OR 8x demihuman tallow OR 8x freezerburned human tallow OR 8x alien tallow
> 50x salt
> 1x leather body armor
> 1x pair of leather arm guards
> 4x thread OR 4x sinew OR 4x plant fiber OR 4x yarn OR 4x Nomex thread OR 4x Kevlar thread
Byproducts:
(none)
--
This recipe can be found in the following books when chemistry is at least the required level:
Sewing Techniques for Designers (level 4)
clothing designer's portfolio (level 5)
Outdoor Survival Guide (level 3)
The Trapper's Companion (level 3)
Autobiography of a Mountain Man (level 3)
Studies in Historic Armorsmithing (level 6)
Arms and Armor of Imperial China (level 6)