Chemical And Aging Properties Of Polymer Materials

August 21, 2024

Chemical properties

Polymer chemical properties, usually refers to the surface of the material in acid, alkali, salt, solvents, oils and other chemicals and other media after a certain period of time, its quality, volume, strength, color and so on.

1. Solvent resistance

Solvent resistance (solvent resistance) refers to the ability of the material to resist solvent-induced swelling, dissolution, cracking or deformation. 2.

2. Oil resistance

Oil resistance (oil resistance) refers to the ability of the material to resist oil-induced swelling, dissolution, cracking, deformation, or reduction of physical properties. 3.

3. Chemical resistance

Chemical resistance refers to the ability of a material to resist acids, alkalis, salts, solvents and other chemical substances.

Test standard:

GB/T3857-2017 Test Method for Chemical Resistance of Glass Fiber Reinforced Thermosetting Plastics; GB/T 11547-2008 Method for Determination of Resistance of Plastics to Liquid Chemicals (including water).

Aging performance

Aging performance, usually refers to the material in use, storage and processing, due to light, heat, oxygen, water, biological, stress and other external factors, the performance of the phenomenon of change over time.

1. Weatherability

Weatherability (weatherahility) refers to the durability of the material exposed to sunlight, heat and cold, wind and rain, and other climatic conditions (i.e., the ability of the material to maintain its performance under the conditions of use).

Test standard: GB/T 3681-2021 Plastics Solar radiation exposure test method

2. Artificial climate aging

Artificial weathering (artifical weathering) refers to the phenomenon that the performance of the material deteriorates with time when it is exposed to artificial simulated climatic conditions.

3. Thermal air aging

Thermal air aging (thermal air aging) refers to the material specimens exposed to controlled hot air, subjected to the action of heat and oxygen, to determine the changes in performance before and after the aging test, in order to evaluate the thermal aging performance of the material.

Test standard: GB/T 7141-2008 Thermal aging test method for plastics

4. Heat and humidity aging

Heat and humidity aging (heat and humidity aging) refers to the material specimen at a given temperature and humidity conditions, the performance of the phenomenon of change over time.

Test standard:

GB/T 12000-2017 Determination of the effects of exposure of plastics to heat and humidity, water spray and salt spray.

GB/T 2574-1989 Test method for glass fiber reinforced plastics exposed to damp heat

5. Ozone aging

Ozone aging (owne aging) refers to the phenomenon that the properties of materials deteriorate with time under the action of ozone.

6. Mold resistance

The resistance of the material to mold is called fungus resistance, also known as biological aging performance.

Author:

Ms. Tina

E-mail:

sales@honyplastic.com

Phone/WhatsApp:

8618680371609