Putrid pulp is mainly caused by microorganisms, including filamentous bacteria from water, algae, mold in the air and a large number of bacteria from waste paper.

Mildew is the common name for filamentous fungi, which means "moldy fungus". The mold structure can be divided into two main parts: mycelium and sporophyte.

There are many kinds of industrial fungicides, including industrial anti-mildew agent, industrial preservatives, water treatment agent bactericidal algaecide, wood building materials preservatives anti-mildew and other varieties.

When leather products are in the humid environment, it is very easy to be harmed by mold, so that the quality of leather is seriously affected. The breeding of mold on leather will multiply by taking the oil and leather fiber in the leather. The light will make the leather lose luster, and the heavy will cause the grain surface to be brittle and mildew. The physical and mechanical properties of the leather will be reduced and the service life of the leather products will be shortened

May to October is a time of year when microbes are difficult to control. Why does this problem arise?

1. What are the main components of paints and coatings? The main components of paint include the following five parts:

■ GB/T 39598 -- 2021 "Indoor Bearing Limit Guide for Wood-based Panels Based on the Limit Amount of Formaldehyde"

According to the Standard Announcement (No.3, 2021) issued by the State Administration for Market Regulation and the State Standards Commission on March 9, GB/T 39600-2021 Classification of Formaldehyde Emission of Wood-based Panels and Its Products and GB/T 39598-2021 Guidelines for Indoor Carrying Limits of Wood-based Panels Based on the Limit Amount of Formaldehyde, which are managed by the National Technical Committee for Standardization of Wood-based Panels, have been officially released and will be implemented on October 1, 2021.