40MM OD2.7MM Gooptical Communication Equipment 48 Cores Dome Type Fiber Optic Splice Closure Protection Sleeve


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Product Description        

40MM OD2.7MM Gooptical Communication Equipment 48 Cores Dome Type Fiber Optic Splice Closure Protection Sleeve

This product is made up of cross linked polyolefin heat-shrinkable tubes,hote melt tubes and Stainless steel needle. It is specifically designed for the protection of fiber optical closure.

The heat shrinkable fiber optic splice closure protection Sleeves with ends half sealed

Length of Tube: 40mm

Inner Tube Diameter: Inner 1.7mm

Steel Rod Diameter: 1.2mm

After Recover Diameter: 2.7mm

Working Temperature: -55 to 100°C (-67 to 212°F)

Tensile Strength: 18MPa

Dielectric Constant: 2.5

Elongation at Break: 700%

Longitudinal Change: ±5%

Density: 0.94g/m³

Eccentricity: 105

Dielectric Strength: 25kV/mm

Volume resistance: 1015Ω

Minimum Shrink Temperature: 120°C (248°F)

Minimum Fully Recovery Temperature: 100°C (212°F)

Product Features

• Protect connection point,improve the mechanical strength,it is most reliable way to protect the fusion

• Easy to operate,reducing the risk of fiber damage during installation

• Transparent tube,it is easy to see the status of fiber optical closure

• Min.shrinks temperature:120°C,shrink very fast and very easy to installation

• Work temperature high (-55°C~100°C), widely used

• Sealing structure let closure have good resistance to temperature and humidity performance

Real Products Show

Product Application

Packaging & Delivery      


• Quantity per package: 1000pcs/pkg

• Gooptical also provide this kind of protection sleeves with 1000pcs/pkg and good price.

• Fiber optic splice protection sleeves are used for optical fiber fusion protection, it can protecting and supporting the fusion splice point.

• Gooptical now provides different sizes and materials of this kind of products. And if you can not find the fiber optic splice sleeves you need on our website, welcome to contact g.q_trading@foxmail.com


1. Do you accept OEM order ?

Yes, we do.

2. Do you have wholesale service ?

Yes, we have.

3. How to contact you for wholesale ?

Please send Email to address: g.q_trading@foxmail.com

4. Are you a factory, how long since your foundation ?

Yes, we are a factory, sell the fiber optic splice sleeve through this shop, we are founded in 2013. The products are sold all over the world such as Italy, France, Spain, Brazil, Columbia, Korea, Japan, Malaysia, Egypt and so on. We are committed to wholesaling the goods to customers with high quality and best price.

5. How do you trade and delivery ?

For wholesale, we accept payment by T/T and we will dliver goods through DHL, FEDEX, UPS, TNT EMS, and Aliexpress standard shipping and so on.

6. What is your lead time ?

Generally, 5-7 days delivery. For regular items we can deliver within 3 days for we have stock.

About US

GOOPTICAL equals GO and OPTICAL, which is the brand of our shop, means the users go for optical products.

We are supplier and manufacturer of optical fiber fusion splice sleeves, providing the users all over the world with best offer and quality, as well as aftersale service.

Rich production experience, advanced production lines, exquisite production technology,fast delivery and huge inventory meet all users' need, make us more competitve in the industries.


Alipay is accepted. For group procurement and payment, please contact customer service.

Payment is to be completed within 7 days of the end of the auction. Please contact us if you can't make the payment promptly. Otherwise, we will reserve the right to relist the item and the unpaid item report will be made correspondingly.


Please make sure that the address you filled is absolutely correct for we will send goods to you according to it. We will not be responsible for your filling wrong address, and no address change once the goods is sent.

The item will be shipped out within two working days ( excluding holiday) after Alipay payment is received.

Please note thatimport duties, taxes and charges are not included in the item price or shipping charges.

These charges are the buyer's responsibility. Please check with your country's customs office to determine

what these additional costs will be prior to bidding/buying.

Users who would like to buy samples, we advise to send by DHL, FedEx, UPS, TNT or others which will take 5-7 days to reach you.


Please kindly read all of our terms and conditions before you place an order. If you have any question

about our terms and conditions on this page, please kindly contact us.

Items can be returned with 14 days after your purchase date. Please note that return postage fees and custom duty are covered by the buyer. After items are received by the seller, full refund will be made.


Users are unsatisfied with our item or service, please contact us. We are committed to resolving all issues in a friendly and satisfactory manner until your satisfactory.

Tag: fiber optic protection sleeve, fiber sleeve, heatshrinkable sleeve, heat shrink tube


  1. How often should I have my sewing machine cleaned and serviced?
    A. It depends on how often the sewing machine is used and the type of work done on the machine. Cotton fabrics and thread tend to create more lint buildup on your machine. Servicing and cleaning your machine allows the machine to operate smoothly. Also a machine that has been in storage for some time will require servicing as the lubricants can dry up over time.
  2. Why does the upper thread break?
    A.The needle may be inserted incorrectly or the eye may have sharp edges, the machine is not properly threaded or the upper thread tension is too tight.
  3. Why does the bobbin thread break?
    A.The bobbin may be wound unevenly, the bobbin case could be threaded incorrectly or the bobbin thread tension is too tight.
  4. How come my sewing machine skips stitches?
    A.You may have a bent or blunt needle, the needle is inserted incorrectly or the pressure on the foot is insufficient.
  5. Why do I keep breaking needles?
    A.The needle may be inserted incorrectly, you are pulling the fabric while sewing or you may be utilizing the incorrect size needle or thread for the fabric being sewn.
  6. Why doesn’t the sewing machine feed properly?
    A.The drop-feed knob is improperly adjusted, the pressure on the foot is insufficient or the stitch length knob is set too close to zero.
  7. Why does the fabric pucker?
    A.The upper thread tension is too tight, the bobbin thread tension is too tight or the fabric may be too sheer or too soft.
  8. Why does my sewing machine make loose stitches or loops?
    A.Tension is not properly adjusted.
  9. Why does my sewing machine run heavily?
    A.Machine may need oiling, dirt or lint buildup in the shuttle or dirt and lint between the teeth of the fabric feed dogs.
  10. My sewing machine will not sew. Why?
    A.Cord is not plugged into the electrical outlet or the stop motion knob is not tightened.
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40MM OD2.7MM Gooptical Communication Equipment 48 Cores Dome Type Fiber Optic Splice Closure Protection Sleeve