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• Surface Resistivity and Static Decay tester Standards and Principles

  Under the current situation that pneumonia is still raging in COVID-19, medical protective clothing is necessary to ensure the safety of medical staff, public health workers, patients, people entering infected areas due to hospital visits,

• Breath Mask Air Tightness Resistance Tester Test Method

  Because of COVID-19 pneumonia, masks will become a popular product in 2020. With it, there is a large shortage of masks, and the number of mask manufacturers increases. However, the mask testing equipment is also an important part in the pr

• Mask testing: Qinsun offers kinds of mask testing equipments

  Because of the Covid-19 or Coronavirus pandemic, face asks-once considered personal safety equipment used mainly by medical professionals-have become a necessity around the world. The face mask manufacturing industry has moved quickly to ada

• Summary of testing items and standards of automotive materials

  Automobile is an important means of transportation in our life. Today, Shanghai Qinsun summed up that the automobile material testing of testing institutions involves testing parts and assemblies.

• How a Gelbo Flex Test is Performed

  Material that is a nonporous, flexible film can be used for gelbo flex testing. Typically, this is a clear plastic film that you would see on the on the reverse side of Tyvek pouch or foil material for a foil-to-foil pouch.

• What is Gelbo Flex Testing?

  Gelbo flex testing is a standard per ASTM (ASTM F392: Standard Practice for Conditioning Flexible Barrier Materials for Flex Durability). As mentioned above, gelbo flex testing is not a required method for bringing a medical device to market

• Influence of negative air ions

  Negative air ions (NAIs) have been discovered for more than 100 years and are widely used for air cleaning. Here, we have carried out a comprehensive reviewing on the effects of NAIs on humans/animals, and microorganisms, and plant developme

• The influence of negative air ions on human body

  Krueger and Reed (1976) reviewed key reports published in that period on the biological effects of NAIs. They proposed the serotonin hypothesis of NAI biological actions. Serotonin is a very powerful and versatile neurohormone.

• horizontal burning test method

  The horizontal burning test evaluates the burning rate of a specimen in mm/min taking into account its thickness.

• Flammability UL94

  UL 94 (Underwriters Laboratories test standard UL 94) is one of the most widely used flammability tests for determining relative flammability for plastic materials. It measures the ability of plastic part to extinguish the flame after igniti

• Determination of Water Repellency by Spray Tester

  According to the type of fabric water repellency varies from 0-100. From the experiment we can understand this. It is mainly selected depending on the end use of fabrics.

• Spray Testig

  To measure resistance of fabrics (or garments) to wetting by water. Applicable to any textile fabric, which may or may not have been given a water resistant or water-repellent finish. This test method is not intended for use in predicting th

• Mask synthetic blood penetration test report

  Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.

• The Terms and definitions of Mask blood penetration testing

  ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies).

• Technical requirements for single-use protective clothing fo

  This Standard specifies the requirements, test methods, markings, instructions, packaging and storage of single-use protective clothing for medical use.