Notice on Quality Supervision and Sampling of 27 Circulation Field Products including Indoor Heaters and Electric Hand Warmers in Zhejiang Province in 2023

The Zhejiang Provincial Administration for Market Regulation conducted quality supervision and spot checks on 27 types of products, including indoor heaters, electric hand warmers, and woolen knitwear, in the circulation field. The spot check results are hereby reported as follows:
1、 Basic information
A total of 1276 batches of products in the circulation field were randomly inspected, and 291 batches of products were found to be unqualified. Spot check products include 1. Electricians and materials (grinding wheels); 2. Electronic appliances (indoor heaters, general lighting fixtures, household electric washing machines, refrigeration equipment, self ballasted LED lights, liquid heaters, electric hand warmers, electric clothes dryers, LED reading and writing desk lamps, induction cookers, portable power banks, electric ovens and baking utensils, projectors, microcomputers, air purifiers, routers, portable hard drives, automatic rice cookers); 3. Mechanical and security (portable fire extinguishers, non-medical masks, locks); 4. Building and decoration materials (fire doors); 5. Daily and textile products (woolen knitwear, indoor fitness equipment); 6. There are 27 types of products in 6 categories, including food related products (metal utensils and tools for food contact, pressure cookers).
2、 Analysis of the results of spot checks on non-conforming products
（1） Indoor heater. 117 batches of indoor heater products were randomly inspected, of which 37 batches were found to be unqualified. Unqualified items are marked and indicated; Protection against contact with live parts; Input power and current; Wiring terminals for external wires; Abnormal work; Structure; Grounding measures; Screws and connections; Internal wiring; Power connection and external flexible cords; Moisture resistant.
（2） Metal utensils and tools for food contact. 95 batches of metal utensils and tools for food contact were randomly inspected, of which 31 batches were found to be unqualified. Unqualified items are labeled and identified; Chemical composition of stainless steel material.
（3） Portable fire extinguisher. 65 batches of portable fire extinguisher products were randomly inspected, of which 28 batches were found to be unqualified. The unqualified item is the 20 ℃ temperature spray performance test; Quality; The content of the first main component of fire extinguishing agent and driving gas (dry powder fire extinguishing agent).
（4） General lighting fixtures. 44 batches of ordinary lighting fixtures were randomly inspected, of which 24 batches were found to be unqualified. The unqualified item is harmonic current; Insulation resistance and electrical strength; External and internal wiring; Anti electric shock protection; Disturbance voltage (power terminal); Radiation harassment.
（5） Household electric washing machine. 117 batches of household electric washing machine products were randomly inspected, of which 21 batches were found to be unqualified. The unqualified item is internal wiring; Mechanical strength; Protection against contact with live parts; Power connection and external flexible cords; Grounding measures; Noise; Terminal disturbance voltage (continuous disturbance); Structure.
（6） Non medical masks. 118 batches of non-medical mask products were randomly inspected, of which 20 batches were found to be unqualified. The unqualified item is the filtration efficiency; Respiratory resistance; Protective effect; The breaking strength of the mask strap and the connection between the mask strap and the mask body.
（7） Fire doors. 19 batches of fireproof door products were randomly inspected, of which 19 batches were found to be unqualified. The unqualified item is the fire resistance performance.
（8） Refrigeration equipment. 124 batches of refrigeration equipment products were randomly inspected, of which 18 batches were found to be unqualified. Unqualified items refer to the protection against touching live parts; Power connection and external flexible cords; Storage temperature; Total volume; Power consumption; Energy efficiency rating.
（9） Self regulating LED lights. 36 batches of self ballasted LED light products were randomly inspected, of which 16 batches were found to be unqualified. Unqualified items are a sign; Energy efficiency limit value; Dielectric strength; Mechanical strength.
（10） Liquid heater. 140 batches of liquid heater products were randomly inspected, of which 13 batches were found to be unqualified. The unqualified items are input power and current; Structure; Leakage current and electrical strength at working temperature; Moisture resistance; Leakage current and electrical strength; Abnormal work; Power connection and external flexible cords; Grounding measures; Electrical clearance, creepage distance, and solid insulation.