High-Quality Melt Flow Indexers at Competitive Prices | Buy from Trusted Manufacturers Product Description: XNR-400 MFR Melt Flow Index Tester for ISO 1133, ASTM D1238, and ASTM D3364 Our XNR-400 MFR Melt Flow Index Tester is designed to measure the melt flow index of polymer materials in accordance with ISO 1133, ASTM D1238, and ASTM D3364 standards. It is an …