Astm D5705 Pdf [patched] -

Unsaturated polyester resins (UPR) are used extensively in fiberglass-reinforced plastics, boat hulls, countertops, automotive parts, and construction materials. Styrene is a critical component—it acts as a cross-linking agent and a viscosity reducer. However, during manufacturing, not all styrene reacts. Residual styrene left in the final product can cause:

it is a common safety procedure used in the petroleum industry to assess the potential for hazardous gas accumulation in storage tank headspaces. ASTM International Key Features of ASTM D5705 Measures the concentration of cap H sub 2 cap S astm d5705 pdf