SF 1.56 Single Vision HMC Semi Finished Lens Blanks With Monomer from Japan For Eyeglass Lenses

I. Technical Data:

II. Semi finished:

1. The definition and production of semi-finished lenses Semi-finished lens is the raw blank used to produce the most individualized RX lens according to thepatient's prescription. Different prescription powers request for different semi-finished lens types or base curves. The semi-finished lenses are produced in a casting process. Here, liquid monomers are first poured into moulds. Various substances are added to the monomers, e.g. initiators and UV absorbers. The initiator triggers a chemical reaction that leads to hardening or "curing" of the lens, while the UV absorber increases the UV absorption of the lenses and prevents yellowing.

2. Minus and plus semi-finished lenses

Lenses with different dioptric powers can be made from one semi-finished lens. The curvature of the front and back surfaces indicates whether the lens will have a plus or minus power.

Semi-finished lens is the raw blank used to produce the most individualized RX lens according to the patient's prescription. Different prescription powers request for different semi-finished lens types or base curves.

Rather than just the cosmetic quality, semi-finished lenses are more about the inner quality, such as precise and stable parameters, especially for the prevailing freeform lens.

1) High qualified rate in power accuracy, tability, cosmetics quality 2) High optical features ​ 3) Good tinting effects and hard-coating/AR coating results ​ 4) Realize the maximum production capacity 5) Punctual delivery

III. 1.56 Index:

The most common materials available for use in lenses used to be glass and a hard resin called CR-39. With the continuous improvement of technology, there are more requirements of CR39(optical/plastic) lenses than glass lenses. We are a manufacturer of optical lens, and in these lenses, 1.56 index lenses are one of the most popular lenses all over the world. Furthermore, lenses with 1.56 index are considered the most cost effective lens on the world market.

IV. Coating Choice:

Hard Coating It also can be named as anti-scratch coating, the function of this coating is to protect the surface of the lenses from impact and scratch reisitance.

AR Coating It also can be named as hard multi coated, that means coating an anti-reflective film on the hard coating lens, can protect the lens effectively from reflection and glare, enhance functional and charity of your vision

Super Hydrophobic Coating To make the lens waterproof, antistatic, anti slip and oil resistance.

V. Producing process:

VI. Packing & Shipping:

VII. FAQ:

1. Are your company a manufacturer or a trade company?
We are a manufacturer with many years exporting experience. Our factory is located in Jiangsu province.

2. How can I get sample from you?
Just send us your requirements, then we will send samples accordingly.

3. Can your products be customized?
We accept OEM &ODM orders. Actually most of our products are customized. We will try our best to fulfill your requirements about the material, the size, the printing.

4. How many days will samples be finished? How about mass products?
Generally, we need 5-7 days to finish the sample production.
As for the mass products, it depends on your order quantity.

5. Do you have stock products to sell?
Yes.We have a lot of inventory.

Jiangsu Aogang Optical Glasses Co., Ltd is one of leading professional opthalmic lenses manufacturers in China, it's a technical factory specializes in producing optical lenses since 1996, our plant covers an areas of 12,000 squares meters and our daily output raised to 40,000pieces. The company has been approved according to ISO9001 atandard, also our products have been registered with CE and FDA.

With 20 years of experience in vision field, our lenses enjoy high reputation in overseas markets, we improve the crafts continuously to control the quality. Science and technology has always been certified for the workship. Our lenses cover a wide variety, including single vision, bifocal lenses, photochromic lenses, progressive lenses, finished lenses, semi-finished lenses, normal power and rx power.

We have our own laboratory, our professional technique team include 25 engineers with their teams, providing customers with individualized service.