TY JOUR TI HEVEA-PRODUCTS AND POLYPROPYLENE KW POLYPROPYLENE KW CRUDE NATURAL RUBBER KW RUBBER TREE SEED OIL KW TASTE KW ODOUR KW HYGIENIC PARAMETERS KW WATER ABSORPTION JO Herald of Technological University AU , .. AU Gataullina, L.I. AU Zenitova, L.A. PY 2025 IS 27 PB Kazan National Research Technological University