face shield visor dental medical nursing face mask with eyeshield
Product name：dental medical face shield visor
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Product name: Protective face shield mask
2. Lens material: PET (Chinese: Thermoplastic polyester)
The advantages of materials are as follows:
1. Good mechanical properties, impact strength is 3~5 times that of other films, good folding resistance.
2. Resistance to oil, fat, oleic acid, dilute alkali, and most solvents.
3. The heat resistance of pure PET is not high, and the thermal deformation temperature is only about 85℃, but it is greatly improved after enhanced treatment.
The mechanical properties of reinforced PET are similar to those of engineering plastics such as PC and PA, and the thermal deformation temperature can reach 225℃.
PET has a good heat-resisting aging property. Its embrittlement temperature is -70℃, and it still has a certain toughness at -30℃.
PET is not easy to burn, the flame is yellow, burning oil dripping.
4. Low permeability of gas and water vapor, with excellent gas, water, oil and odor resistance.
5. High transparency, can block ultraviolet ray, good luster.
6. Non-toxic, tasteless, hygienic and safe.
Three, stick forehead cushion material: high spring comfortable sponge
Four, head wear material: stretchable rubber band elastic band
5. Cap circumference: 55-60cm
Length and width of mirror: 32*22cm, thickness: 0.3mm
Vii. Dimensions of the outer case: Gross weight of a single mask: 32g