What is a Paper Dealer?

Thermal paper is also called thermal fax paper, thermal recording paper, and thermal copy paper. In Taiwan, it is called thermal carbon paper. Thermal paper is a kind of processed paper. Its manufacturing principle is to apply a layer of "heat-sensitive coating" (heat-sensitive color-changing layer) on high-quality base paper. Although there are more than a dozen chemicals used in this color-changing layer, at least the following compounds are available: colorless dyes, which have a wide variety, and the most commonly used are fluorescent compounds; color developers account for less than 20%, and commonly used Phenol and p-hydroxybenzoic acid; sensitizers account for less than 10%, which contains benzenesulfonic acid amide compounds; fillers account for less than 50%, commonly used are calcium carbonate (fine particles); adhesives account for less than 10%, Such as polyvinyl acetate; stabilizers, such as terephthalic acid dibenzoyl; lubricants and so on. Therefore, the process is difficult and the technical requirements are high.

Thermal Paper

Thermal paper : in

When thermal paper is placed in an environment above 70 ° C,

Thermal paper is specially used for thermal

1. Appearance: If the paper is very white, it means that the protective coating and thermal coating of the paper are unreasonable, too much phosphor is added, and the better paper should be slightly greenish. The paper finish is not high or looks uneven, indicating that the paper coating is uneven. If the paper looks very reflective, too much phosphor is added and the quality is not good.

2. Fire roasting: The method of fire roasting is also very simple. Use a lighter to heat the back of the paper. If the color appears brown on the paper after heating, it means that the heat sensitive formula is not reasonable, and the storage time may be shorter. The dark parts of the paper have tiny

Standard No .: GB / T 28210-2011

Standard Title in Chinese: Thermal Paper

Standard Title in English: Thermal paper

Issue Date: 2011-12-30

Execute Date: 2012-09-01

First Issuance Date: 2011-12-30

Standard State: Active

Plan number: 20072679-T-607

Adopted International Standard: None

International Standard Classification Number (ICS):

China Standard Classification Number (CCS): Y32

Standard Sort: Products

Competent authority Governor: China Light Industry Federation

Focal Point Technical Committees: National Paper Industry Standardization Technical Committee

Drafting Committee: China Pulp and Paper Research Institute, Guangdong Guanhao High-Tech Co., Ltd., Xiamen Anne Co., Ltd., Shanghai Hanhong Paper Co., Ltd., Oji Special Paper (Shanghai) Co., Ltd., Ricoh Thermal Technology ) Limited

In daily life, people inevitably come into contact with small thermal paper tickets, so they often come into contact with bisphenol A. So, how to prevent bisphenol A from invading our body and reduce the harm? The reporter specially compiled a few notes for the citizens for reference.

1. Minimize the number of times you get such small tickets.

2. After contacting the thermal paper receipt, please wash your hands immediately if possible, and do not use alcohol-containing cleaning solution. Remember, do not touch the mouth directly with your small ticket, such as touching food or eating with your hands.

3. Keep the receipts separate from other things to prevent contamination with bisphenol A.

4. Don't leave small thermal paper tickets for children to play or keep.

5. The method of identifying whether the paper is thermal paper is to scrape the paper with a coin. If there is discoloration or obvious scratches, it is a thermal paper.