First, distinguish by name, directly judge from the name of the mask
Medical mask
Medical protective masks: for use in high-risk environments.
Such as: fever clinic, isolation ward medical staff, intubation, high risk medical workers, etc.
Surgical mask: suitable for medical personnel to wear whe...
The near-infrared in-line moisture meter uses a high-precision infrared filter mounted on a runner and imported motors that allow reference and measurement light to pass alternately through the filter.
The reserved beam is then focused on the sample being tested.
First the reference light is pr...
——LBT-M6 AATCC Washing Machine
Foreword
This procedure is based on laundering methods and parameters originally devel- as part of various AATCC stan- As a stand-alone laundering protocol, it may be combined with other test methods, including those for appearance, care label verificat...
Masks can generally be divided into two categories: protective masks and general masks.
Masks are mainly used to keep out the cold,And protective masks are mainly used to protect the daily life and work in a variety of particulate matter.According to the protected object Protective masks can be d...
Vica softening point refers to engineering plastics, general plastics and other polymer samples in the liquid heat transfer medium, under a certain load, a certain rate of temperature, is 1mm2 needle pressed into the depth of 1mm temperature.
Vica softening point is used to control polymer qualit...
1. Do not compare data with others. If you compare the data, it is best to buy the same model or tell me the model, I can recommend the corresponding cost-effective viscometer
2. About what product to measure, do you know the approximate viscosity? If you don’t know, please provide the status, su...
What Makes a Dad
God took the strength of a mountain,
The majesty of a tree,
The warmth of a summer sun,
The calm of a quiet sea,
The generous soul of nature,
The comforting arm of night,
The wisdom of the ages,
The power of the eagle’s flight,
The joy of a morning in spring,
The faith of a must...
Sweating Guarded Hotplate Used for measuring heat and water vapor resistance under steady-state conditions.By measuring the heat resistance and water vapor resistance of textile materials, the tester provides direct data for characterizing the physical comfort of textiles, which involves a comple...
1
FZ/T 01158-2022
Textiles – Determination of ticklish sensation – Vibration audio frequency analysis method
2
FZ/T 01159-2022
Quantitative chemical analysis of textiles – Mixtures of silk and wool or other animal hair fibres (Hydrochloric acid method)
3
FZ...
MVR (volume method) : Calculate the melt volume flow rate (MVR) with the following formula, in cm3/10min
MVR tref (theta, mnom) = A * * l/t = 427 * l/t
θ is the test temperature, ℃
Mnom is the nominal load, kg
A is the average cross-sectional area of piston and barre...
With the progress of human beings and the development of society, people’s requirements for textiles are not only simple functions, but also pay more attention to their safety and health, green environmental protection and natural ecology. Nowadays, when people advocate natural and green co...
Although plastics have many good properties, not every kind of plastics can have all good properties. Materials engineers and industrial designers must understand the properties of various plastics in order to design the perfect plastic products. The property of plastic, can be divided into basic...