Disposable Masks

Disposable Masks FAQ's

What is ASTM?
ASTM International is the organization that develops and sets the preferred international standard in healthcare for the requirements of the performance o...
Mon, 10 Jan, 2022 at 11:55 AM
Do your disposable masks contain graphene?
The Canadian Shield's products, including our Disposable Procedural Masks, BioMask™, and Semi-Reusable Face Masks, do not contain graphene.
Mon, 10 Jan, 2022 at 11:56 AM
What are each of the levels offered for ASTM-rated face masks?
The difference between each of these masks is their performance criteria against ASTM F2100 International Standard requirements. There are three distinct...
Mon, 10 Jan, 2022 at 11:56 AM
What is the difference between your ASTM-rated and unrated masks?
Although the body of our Unrated 3-Ply Disposable masks is made of the same 100% non-woven polypropylene material, they are not tested to the same ASTM F2...
Mon, 10 Jan, 2022 at 11:56 AM
What’s the material of your procedural masks?
Masks are 100% polypropylene. Latex and fiberglass free. Earloops are 70% Polyester, 30% Spandex. Our BioMask™ is made up of the same materials, and also ...
Mon, 10 Jan, 2022 at 11:56 AM
Do you add preservatives or chemicals to your procedural masks? What makes your procedural masks blue?
There are no preservatives or chemicals added to our polypropylene masks. All of our raw materials are subject to stringent toxicological and carcinogenic t...
Mon, 10 Jan, 2022 at 11:57 AM
Are your masks hypoallergenic?
Based on toxicological and carcinogenic testing, our materials are confirmed to be irritant-free and safe for wear.
Mon, 10 Jan, 2022 at 11:57 AM
What's the material of the nose bridge?
Each of our procedural masks features a nose bridge made of steel sealed in plastic in order to create a tight seal and minimize gaps.
Mon, 10 Jan, 2022 at 11:57 AM
What happens if the mask gets wet in the rain or snow?
According to the CDC,masks become less effective when wet as they are more difficult to breathe through and less efficient at filtering. It is important t...
Mon, 10 Jan, 2022 at 11:57 AM
How long is my procedural mask effective for?
The Canadian Shield’s procedural masks are disposable and are intended for one-time use. Your face mask should be changed when it gets wet, visibility dir...
Mon, 10 Jan, 2022 at 11:57 AM