A few days ago, the media reported that Shanghai catering enterprises in steamed bread, the use of silica gel pad instead of the previous bamboo mat, gauze pad, it is understood that the reported liquid silica gel pad is liquid silica gel products, the production of food with silica gel pad should meet the "food with rubber products health standard" (GB 4806.1-94).

According to a press conference held by the Shanghai Municipal Quality supervision Bureau on September 28, there is only one enterprise producing food silicone pads in Shanghai. Its sampling sample is qualified. According to expert risk assessment, food contact silicone products in line with the relevant national standards can be reused in the temperature range of -40℃ to 180℃. However, after repeated use, if its appearance or physical performance is found to change, it should be replaced in time.

Shen Weimin, deputy director of Shanghai Municipal Quality Supervision Bureau, revealed that after investigation, it was not found that the only enterprise in Shanghai that produces food silica gel pad uses non-food silica gel raw materials to produce food silica gel pad. Its products have been sent to the city food and drug packaging materials testing institute for inspection, The samples are in accordance with the hygienic Standard for Rubber Products for Food (GB 4806.1-94).

In view of the public's concern about whether there is a safety risk in the repeated use of silicone pad for food under high temperature, Shen Weimin said that silicone rubber products for food are widely used in daily life, such as baby pacifiers, pressure cooker gaskets, etc.. The production of silicone rubber products for food shall conform to the Hygienic Standard for Rubber Products for Food (GB 4806.1-94). However, the standard does not limit the scope and temperature of use of silicone rubber products for food, nor does it specify the period of use of silicone rubber pads for food. The Municipal Quality Supervision Bureau has organized experts to evaluate whether there is a safety risk when using silicone pads repeatedly under high temperature when steaming steamed buns.