Dimensions
| Size | Expanded | Recovered | Standard Package M/Spool |
Round/Flat |
| Inch | mm | Internal Diameter (mm) | Internal Diameter (mm) | Wall Thickness (mm) | | |
| 1/8 | 3.2 | 3.2 | 1.6 | 0.75±0.20 | 200 | Round |
| 3/16 | 4.8 | 4.8 | 2.4 | 0.89±0.20 | 100 | Round |
| 1/4 | 6.4 | 6.4 | 3.2 | 0.89±0.20 | 100 | Round |
| 3/8 | 9.5 | 9.5 | 4.8 | 0.89±0.20 | 50 | Round |
| 1/ 2 | 12.7 | 12.7 | 6.4 | 0.89±0.20 | 25 | Round |
| 3/4 | 19.0 | 19.0 | 9.5 | 1.07±0.30 | 25 | Round |
| 1 | 25.4 | 25.4 | 12.7 | 1.25±0.30 | 25 | Round |
| 1-1/ 2 | 38.1 | 38.1 | 19.0 | 1.40±0.30 | 25 | Round |
| 2 | 50.8 | 51.0 | 25.4 | 1.65±0.30 | 25 | Round |
| Property | Test Method | Stantard | Typical Performance |
| Tensile Strengtn(MPa) | ASTM D2671 | ≥8.5 | 10.0 |
| Elongation(%) | ASTM D2671 | ≥250 | 300 |
| Tensile Strengtn after aging (MPa) | UL224 158℃X168hr | ≥7.3 | 8.5 |
| Elongation after aging(%) | UL224 158℃X168hr | ≥200 | 250 |
| Dieletric strength(kv/mm) | IEC243 | ≥15 | 17.5 |
| Volume resistivity(Ω.cm) | ASTM D876 | ≥1X109 | 2.5X109 |
| Flammability | VW-1 | Pass | Pass |
Changzhou Longchuang Insulating Material Co., Ltd is a high-tech
enterprise with headquarter in Changzhou, China. Founded in
2010,The Long brand has always been a guarantee for the supply of
heat shrink tubing products and services. From product design and
raw materials purchasing to final inspection and testing,
Longchuang has a perfect quality assurance program covering the
entire production process. So far, we have been successfully
certified by ISO 9001, ISO 14001, ISO/TS 16949, UL, CSA, 3C, etc.
At Longchuang, we know this can be done.
FAQ
Professional Production Quality is Reliable
Q1 . Which certifications or test reports do you have?
A : We have UL,ROHS and REACH.
Q2 . How to ship my order? Is it safe?
A : For small package, we will send it by Express,such as Fedex,
UPS,TNT, DHL and so on.
For big packages, we will send them by Air or By sea or by Train.
We will use good packing and ensure the safety. We will be
responsible to any product damage caused on delivery.”
Q3 . What about your delivery time?
A : We have a lot of products in stock. We can send the stock
products in 3 work days.
If without stock,or stock is not enough, we will check the delivery
time with you.” (Usually is 3-7days).
Q4 . Can you provide samples? Are the samples free?
A : Yes. We can provide samples.
Usually for our standard products with stock, we can supply samples
free for testing.
Q5 . Could I put my own logo on it?
A : Sure, of course, we are a professional manufacture and have
over 10 years OEM experience.
