White mould appears on the flocked surface on the back of the frame
This set of photos records the white mould spots on the flocking back panel of the picture frame, involving the flocked surface, near the support bracket and the edge of the back panel. We inspect the adhesive layer, fibers and boards on the back and locate the processing steps.
We record the location of mould spots on the flocked surface, glue layer or board, trace the flocking and pasting processes, and analyze the glue formula, flocked surface status and finished product protection together.
The glue layer and exposed fibers are in different protective positions
flocking has a certain thickness and the glue is mainly located at the bottom of the fibre. The anti-mould treatment in the glue is targeted at the glue layer and its adjacent locations. The middle and upper parts of the longer villi are far away from the glue layer, and the exposed flocked surface will still be exposed to dust and moisture.
In the production stage, glue is added to prevent mould. In the finished product stage, anti-mould materials are arranged according to the packaging space. The two routes and the combined process are analyzed by grouping samples.
Adhesive layer, packaging and combination processing grouping
The test is divided into three routes: addition to glue, packaging and anti-mould treatment, and combined treatment. Untreated samples from the same batch are used as controls to compare the culture status and the protection of each layer of materials.
The picture shows the observation of the flocking sample culture. The growth status of the flocked surface and the surrounding culture medium are recorded respectively, and then combined with the experimental group analysis.
Keep the sample preparation conditions and then determine the production method
Record flocking materials, glue, adding position, gluing and drying conditions in groups, and control changes in glue addition, packaging protection and combined processing.
This set of test protocols is used to screen flocking mould prevention technology. We prepare samples according to the combination of fibre, backing board and glue, and analyze the processing position of the corresponding finished product structure.
During the packaging process, flocked surface and auxiliary material status must also be checked
After the backboard is cleaned and the glue layer and flocked surface are dried, use dry and clean filling paper and cartons. The anti-mould card is taken, placed and sealed in the packaging process.
The backboards with mould spots are classified and reworked according to the material status. After processing, the colour, flocked surface integrity and bonding status are compared, and then they are stored and transported to prevent mould.
Frequently asked questions
The glue has been added with antifungal agent, why may the flocked surface still become moldy?
The glue layer is at the bottom of the fibre, and the exposed part of the longer villi is spaced apart from the glue layer. We designed the glue layer addition, flocked surface treatment and packaging protection separately to compare the combined effects.
If there is mould around the petri dish, does it mean that the sample has failed to prevent mould?
We recorded the growth status of the sample surface and the surrounding culture medium respectively, and combined the process grouping of the test to analyze the flocked surface mould resistance performance.
flocking How to match the glue layer and packaging mould prevention?
The two methods protect different locations. Compare adhesive treatment, packaging protection and their combination using the same flocking and packaging conditions before choosing the production setup.
Updated: 2026-10-29
