Chemical test method for corrosion resistance of EPS board

Abstract

The invention discloses a chemical test method for the corrosion resistance of an EPS board. To be specific, the method comprises the following steps: step one, taking samples and measuring the apparent density, heat conductivity coefficient and tensile strength in a direction perpendicular to the board plane; step two, extracting 12 sample boards randomly among each batch of boards and classifying the boards into four groups to carry out an experiment; and step three, step a, taking three test samples in a glass water tank and adding petroleum in the tank, carrying out immersion for 36 hours;step b, taking three test samples into a temperature and humidity adjusting box for storage for 36 hours; step c, taking three test samples in a chemical test box and introducing corrosive gas into the test box for storage for 36 hours; and step d, taking three test samples into a salt fog test box for storage for 36 hours. According to the invention, simulation of anti-corrosion-performance testing in different corrosion environments is carried out; the data have the representative; the good anti-corrosion performance is realized in a single environment; and the anti-corrosion performance ofthe EPS board can be detected in a varying environment, so that the comprehensive anti-corrosion performance is tested well.

Description

technical field [0001] The invention belongs to the technical field of plate detection and testing, and in particular relates to a chemical test method for corrosion resistance of EPS plates. Background technique [0002] EPS board (also known as benzene board) is the abbreviation of expandable polystyrene board. It is a polystyrene foam plastic sheet with a closed-cell structure obtained by heating and pre-foaming expandable polystyrene beads in a mold. The EPS board needs to be tested for anti-corrosion performance during the production process. Existing test methods cannot simulate anti-corrosion tests in different corrosive environments, and the data are not representative, resulting in corrosion resistance in a single environment. When the environment changes, the corrosion resistance will decrease, making the comprehensive performance of anti-corrosion not very good. It is a good test, and the existing test steps are relatively cumbersome, which cannot make the tester...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a chemical test method for the corrosion resistance of EPS boards, to solve the problem that the existing test methods cannot simulate anticorrosion tests in different corrosive environments, and the data are not representative, resulting in corrosion resistance in a single environment. When the environment changes, the corrosion resistance will decrease, so that the comprehensive anti-corrosion performance cannot be tested well, and the existing test steps are relatively cumbersome, which makes it impossible for the inspectors to carry out the test.