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CR39 1.499 Single Vision Optical Lens Blanks , Anti Scratch Semi Finished Lens Blanks

Categories Cr39 Single Vision Lenses
Brand Name: Aogang Optics
Model Number: Cr39 Single Vision Lenses
Certification: CE/FDA/ISO9001
Place of Origin: China
MOQ: 100 pairs
Price: negotiation
Payment Terms: T/T, Western Union, L/C, D/A, D/P, MoneyGram,Paypal
Supply Ability: 40,000 pieces per day
Delivery Time: 10~30 days, depend on your quantity
Packaging Details: 1) Standard white envelope 2) color envelop with customer design
Index: 1.499
Material: CR39
Diameter: 65/70/75mm
Abbe value: 57
Specific Gravity: 1.33
Transmission: > 97%
Coating: No-coating
Power range: Base: 50~1000
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    CR39 1.499 Single Vision Optical Lens Blanks , Anti Scratch Semi Finished Lens Blanks

    Hard coating CR39 1.499 Single VisionSemi Finished Lens Blanks With Anti Scratch Optical Lens

    I. Technical Data:


    CR39 1.499 Semi Finished Lens
    Material: 1.499 Index Resin(Ne=1.50, Abbe value=57, Specific gravity=1.33 )

    Diameter

    (mm)

    Nominal
    Curve

    Front

    Radius

    T.CBack
    Radius
    BACK
    T.C
    CT/ETFrong sag
    Ring (50mm)
    RX Range
    Recommended
    ɸ70100B1921.450.2887.436.068.3/15.50.16-7.25Dto-10.00D
    ɸ70200B265.362.00102.685.168.3/12.01.18-5.25Dto-7.00D
    ɸ70400B130.234.07102.685.169.7/11.02.42+2.00Dto-5.00
    ɸ70500B105.565.02139.543.808.0/6.53.00+3.00Dto-3.00
    ɸ70600B87.376.07139.543.8010.2/7.83.650.00Dto+4.00D
    ɸ70700B76.026.97139.543.8010.0/6.04.23+2.00Dto+5.00D
    ɸ70800B64.798.1890.925.839.5/6.85.02+4.25Dto+6.00D
    ɸ70900B57.129.2887.256.0710.7/6.05.76+6.25Dto+8.00D
    ɸ701000B51.7410.2487.256.0713.5/7.26.44+8.25Dto+10.00D
    ɸ701200B43.3812.2287.256.0715.0/5.07.93+10.00Dto+12.00D

    Production1.499 semi finished single vision lens
    MonomerPPG
    Diameter55/65/70mm
    Coating ChoiceHC
    Abbe value58
    Specific Gravity1.32
    Transmission>96%
    Guarantee years5 years
    Power rangeBase: 50~1000

    II. Semi Finished Lens:


    The starting point for freeform production is a semi-finished lens, also known as a puck due to its resemblance to an ice hockey puck. These are produced in a casting process that is also used to manufacture stock lenses. 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.


    III. CR39 Features:


    1 ) . The better among other index lenses in hardness and toughness , high impact resistance .


    2 ) . The more easily tinted than other index lenses.


    3 ) . The higher transmittance as compared with other index lenses .


    4 ) . The higher ABBE value providing the most comfortable visual experience .


    5 ) . The more reliable and consistent lens product physically and optically .


    6 ) . The more popular in the middle level countries .

    IV. Hard Coating:


    Hard Coating is also named anti-scratch coating, can protect uncoated lenses from impact and scratch resistance.

    V. Production Process:

    VI. Packing & Shipping:

    EnvelopChoice 1Choice 2
    White envelop

    color envelop with customer design

    weight: 157g size: 9*9*9cm

    Outer boxstandard export paper carton 38cm*48cm*35cm(0.064 CBMS)
    about 500 pairs of finished lenses per carton, 21kgsabout 100 pairs of semi-finished lensesper carton, 15kgs
    Lead timeDepend on the quantity
    CarrierWe can choose for you or offer us your cooperative company
    Payment terms30% T/T in advance, the balance before shippment

    VII. The order process:

    1. If you need the samples, we will check the samples fee and the shipping cost, and we will delivery the samples to you in three days after we receive the payment.

    If you do not need the samples, we can send the price list to you.


    2. If you are satisfied with our samples or the price list, you can show us your order list.


    3. We will do a proforma invoice which show you the total cost including the goods fee, shipping cost, the size of the lenses and some other important information.


    4. We will start the order when we receive your despoit, the 30% of the total cost.


    5. We need about 15~40 days to produce the order which up to your quantity, and keep update the producing process to you in time.


    6. When we finish the producing, we will inform you to pay for the rest of the money. And we will delivery to you asap when we receive the balance.


    7. We will offer the tracking number and the documents for you to clearance at customs.

    Buy CR39 1.499 Single Vision Optical Lens Blanks , Anti Scratch Semi Finished Lens Blanks at wholesale prices
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