logo
chat

Chat
Online

chat

Inquiry

chat

Email

chat
Home > kn 95 surgical mask

kn 95 surgical mask

Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

Why choose us

Solutions to meet different needs

Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

Highly specialized team and products

Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

We trade with an open mind

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

24 / 7 guaranteed service

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of honor


CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

Address:No. 3888, Hutai Road, Baoshan District, Shanghai, China

kn 95 surgical mask

Ultraviolet (UV) protection | AOA

Ultraviolet (UV) protection | AOA

If you participate in potentially ,eye,-hazardous outdoor work or sports, your sunglass ,lenses, should be made from polycarbonate or Trivex ® ,material,. These ,lenses, provide the most impact resistance. If you spend a lot of time outdoors in bright sunlight, consider wearing wraparound frames for additional ,protection, from the harmful solar radiation.

Get Price
Spectacle lenses - from plain glass to Columbia Resin ...

Spectacle lenses - from plain glass to Columbia Resin ...

The following ,raw materials, are required for the production of fully synthetic ophthalmic ,lenses,: mineral oil, natural gas, coal, cellulose, protein, natural rubber, natural resin, etc. Plastic ,lenses, are considerably lighter than comparable mineral ,lenses, and thus very comfortable to wear.

Get Price
Articles - St InternationalSt International

Articles - St InternationalSt International

There are ,lenses, (bases and/or finished ,lenses,) on the market, that do not have any type of ,protection, whatsoever. These low cost ,lenses, can be attractive for some optical laboratories, who are only focused on short term profitability. But it is impossible to guarantee an acceptable level of ,protection,, unless good quality inputs are used.

Get Price
Eye Protection Equipment - Safety Equipment | Sigma-Aldrich

Eye Protection Equipment - Safety Equipment | Sigma-Aldrich

Eye protection, is needed where there is the possibility of chemical, environmental, radiological or mechanical irritants and hazards. Eyeshields, also called safety glasses, goggles, or spectacles, not only provide ,protection, against flying debris and chemical splashes, but may also protect against visible and near visible light or radiation from UV rays, depending on the ,lens material,.

Get Price
Learn the Different Types of Eyeglass Lens Materials

Learn the Different Types of Eyeglass Lens Materials

Hi-index ,lenses, are made of a special plastic ,material, that refracts light in a different way than regular plastic ,lenses,. With hi-index ,lenses,, vision can be corrected with less ,material,, making the ,lens, much thinner. Plastics are graded in numbers, such as 1.50 or 1.67. The higher the number, the thinner the ,lens,.

Get Price
What Are Contact Lenses Made Of? - AllAboutVision.com

What Are Contact Lenses Made Of? - AllAboutVision.com

Prior to the development of GP ,lenses, in the 1970s, conventional hard contact ,lenses, were made of a hard plastic ,material, called polymethyl methacrylate (PMMA). Though PMMA has excellent optical qualities, durability and biocompatibility, it has no oxygen permeability, and many people could not tolerate or safely wear PMMA hard contact ,lenses, for this reason.

Get Price
How Are Eyeglass Lenses Made? - Essilor

How Are Eyeglass Lenses Made? - Essilor

This video gives a good sense of how Essilor ,lenses, are made. It also reveals that the size of the original optical blank ,raw material, -which can be derived from highly heated and treated plastic or resin pellets, is surprisingly large.

Get Price
Made in France Technology – Vuarnet

Made in France Technology – Vuarnet

The production of our mineral glass ,lenses, at VUARNET is an art. One week of work and a seventeen-step process is necessary to produce each ,lens,, from the selection of the best quality ,raw materials, to the exclusive treatments on the ,lenses, with strict quality control at each level.

Get Price
Eye Protection Products | Medline Industries Inc.

Eye Protection Products | Medline Industries Inc.

Due to the coronavirus outbreak worldwide, global demand for some personal protective equipment (PPE) is exceeding supply. In addition, manufacturing of PPE and many other wound care and infection prevention products have been impacted by global response to coronavirus.

Get Price
Protection of our eyes using good contact lenses ...

Protection of our eyes using good contact lenses ...

Unlike the ,lenses, made of thick glass, these ,lenses, are used extensively all over the world. Most people nowadays, use these ,lenses, instead of the thick glassed heavy ,eye, glasses. Before the discovery of the modern contact ,lenses,, the glass spectacles were the only tool for the ,protection, of the eyes.

Get Price
Comparing Eyeglass Lens Materials

Comparing Eyeglass Lens Materials

Here are some activities and the right ,lens materials,, when you practice these: Glass ,lenses, Activities. I recommend glass for those who often work in an environment with excessive heat, flames or sparks, or a dusty environment and any other activity where exist risks of scratching the ,lens,.

Get Price
Eyeglass Lens Materials - Master Eye Associates

Eyeglass Lens Materials - Master Eye Associates

Polycarbonate ,lenses, have a higher index of refraction (1.586) than CR-39 plastic (1.498) and are therefore thinner in an equal ,lens, prescription. With a higher index (of refraction), light is bent more efficiently, therefore it requires less ,material, to achieve the eyeglass prescription making the ,lenses, …

Get Price
Eye and Face Protectors : OSH Answers

Eye and Face Protectors : OSH Answers

Lenses,: CSA-certified ,eye, and face protectors must meet the criteria for impact resistance as outlined in the standard.Only devices made of approved ,materials, are permitted. Markings: The manufacturer or supplier certification mark must be present on all approved safety ,lenses,, frames (front and temple), removable side shields, and other parts of the glasses, goggles, or helmets.

Get Price
Safety Data Sheet (SDS)

Safety Data Sheet (SDS)

Protect unexposed ,eye,. Remove any contact ,lenses,. Rinse/flush affected ,eye, gently with water for 15-20 minutes. Seek ,medical, attention if irritation persists or if pain develops and persists. Remove any contaminated clothing and wash before reuse. Wash affected area with soap and water. Rinse well for 15 minutes. Seek ,medical, advice if ...

Get Price
Polycarbonate - Wikipedia

Polycarbonate - Wikipedia

Polycarbonate ,lenses, also protect the ,eye, from UV light. Many kinds of ,lenses, are manufactured from polycarbonate, including automotive headlamp ,lenses,, lighting ,lenses,, sunglass / eyeglass ,lenses, , swimming goggles and SCUBA masks, and safety glasses/goggles/visors including visors in sporting helmets/masks and police riot gear (helmet visors, riot shields, etc.).

Get Price