This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of spray polyurea protective materials. This standard applies to polyurea protective materials that are based on isocyanate-terminated semi-prepolymer, amino-terminated polyether and amine chain extender and sprayed by high-temperature and high-pressure impact mixing equipment.
HG/T 3831-2006 Referenced Document
GB/T 1250-1989 Rules for expression and judgement of limiting values
GB/T 1408.1-1999 Methods of test for electric strength of solid insulating materials Tests at power frequencies
GB/T 528-1998 Rubber, vulcanized or thermoplastic--Determination of tensile stress-strain properties
GB/T 529-1999 Rubber, vulcanized or thermoplastic--Determination of tear strength (Trouser, angle and crescent test pieces)
GB/T 531-1999 Rubber--Determination of indentation hardness by means of pocket hardness meters
HG/T 3831-2006 history
2006HG/T 3831-2006 Spray polyurea for materials protection