What are the specific performances of plastic aging? How to avoid this phenomenon

Plastic products have different aging speeds and aging performance under different environments. The aging properties of plastics can usually be evaluated in accordance with GB/T15596. Commonly used: appearance change method; mechanical property change method; other performance change method.

Appearance change method: a, can be visually measured. According to GB250 [16], the gray sample card for plastic products can be evaluated according to the 5th and 9th grades, which are 5, 4-5, 4, 3-4, 3, 2-3, 2, 1-2, 1. 5 It means that it is completely discolored, and the level 1 is completely discolored. More subjective. B, can be instrumental. Refer to GB/T7921 [18]. Comparative science.

Mechanical properties change method: mainly to evaluate the retention rate of mechanical properties after plastic aging. The life of plastics is generally based on the time when the mechanical properties are reduced to 50%. Other performance changes include size, density, mass change, electrical property change, thermal property change, flow rate change, molecular weight change, etc.

The Interior Barn Door Hardware can save space and add some style by installing a barn door or two in your home. Maybe you have salvaged an old door from an actual barn, or purchased a prefabricated door, or even built your own. No matter the case, your door requires a unique set of hardware to properly install it, and many options are available in terms of style and appearance. We'll get you familiar with the Barn Door Hardware that you need.

A set of Interior barn door hardware kits,including 1 rail,2 hanger sets,5 stand-offs and screws,2 anti-jumpers,2 door stoppers ,1 floor guide and other accessories.

The Material is Carbon steel,they have different size such as 5ft,6ft,6.6ft,8ft etc.  

You can make any color you like,powder coating black,white,green,electroplating gold,antique brass and other customization.The loading weight Not more than 120kgs.

Interior Barn Door HardwareInterior Barn Door HardwareInterior Barn Door Hardware

Barn Door Hardware

Interior Barn Door Hardware,Barn Door Hardware,Bypass Barn Door Hardware,Sliding Barn Door Hardware,Barn Door Kit,Interior Barn Door Hardware Set

Foshan Nanhai Xin Jianwei Hardware Co., Ltd , https://www.aaghardware.com

This entry was posted in on