Metaspec manufactures test specimens used in quality and conformance testing by US Department of Agriculture Forest Service Specification 5100-304c, which covers a long-term retardant used in wildland firefighting.
The following tests in USDA Forest Service 5100-304c require test specimens. Click on the test method number for more information about specimens required for each test.
5100-304c §4.7.1 Uniform Corrosion Test (see USDA WFC STP 5.1)
5100-304c §4.7.2 Intergranular Corrosion Test (USDA WFC STP 5.2 - see USDA WFC STP 5.1)
5100-304c §4.7.3 Effect of Wet Concentrate & Mixed Retardant on Non-Metallic Materials (see USDA WFC STP 5.3)
5100-304c §4.7.4 Abrasion Test (see USDA WFC STP 5.4)
5100-304c §6 Large & Small Stability Coupons
5100-304c §126.96.36.199.2 Product Stability Test STP-4 – Outdoor Storage Test for Wet Concentrates
5100-304c §188.8.131.52.1 Mixed Retardant – Storable
5100-304c §184.108.40.206.2 Mixed Retardant – Not Storable