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Define 1, heat preservation rate: the percentage of heat dissipation without sample and the difference between heat dissipation and heat dissipation without sample. 2, thermal resistance: the temperat...
Do you look at the laundry label when washing clothes? Why does the soap sometimes develop color when washing clothes? 1 What is the testing principle of color fastness to soaping? According to GB/T39...
Folding resistance Test standard: Experimental principle: experiment procedure: Wear resistance GB/T 3903.2-2008 Use a toothed metal grinding wheel to press vertically on the sole of the sample, and w...
The working principle of the walk-in constant temperature and humidity test box: The walk-in constant temperature and humidity test box consists of two parts: temperature regulation (heating, cooling)...
In recent years, the consumer market of outdoor products has been sought after by the public, and the consumer market of outdoor products in China has been maintaining a high growth rate. Functional c...
What is color fastness? Color fastness (Color fastness) is also known as dyeing fastness, dyeing fastness. It refers to the resistance of the color of the textile to various effects in the process and...
Car safety restraint system as one of the most critical parts of the occupant protection, when the vehicle collision to the occupant restraint and avoid the collision when the occupant and the steerin...
1 Clarify the "down content" and "down content" Down is the soft gold of the apparel industry, and the down content of down is undoubtedly an important basis for the price of down. Therefore, it is ne...
The main factor affecting the color fastness to moisture 1, the type of fabric, fabric structure 2, textile pretreatment, such as desizing, boiling, bleaching, mercerizing, etc 3, the choice of textil...
The 45 degree burner is applicable to ASTM D2863, ASTM D3835, ISO 4589-2, GB/T 2641-2008, GB/T 17591-1998 and other standards It is used to measure the flame spread rate of a material, which is an imp...
Working principle: Constant temperature and humidity box is a special experimental equipment, it can fine-tune the internal environmental parameters (such as temperature, humidity, wind speed, a...
The UV aging box is mainly used to simulate outdoor ultraviolet radiation, and is used for UV resistance performance testing of plastics, rubber, paints, plastic products, clothing and other materials...