- Maximum Bundle Diameter (Determined by length)
- Loop Tensile Strength (Determined by width)
- Resistance to Ultra Violet Radiation (Recommended for outdoor use)
- Flammability Rating
- Operating Temperature
- Resistance to Acids and Chemicals
- Anchoring and Fitment Features
- Need for reusability
Based on the requirements we can suggest the variant best suited for your needs.
In order to provide the best quality, we use only Nylon sourced from global market leaders such as Ascend, Solvay, DuPont, Radici and Invista.
When Nylon is exposed to 100% relative humidity, it can absorb upto 8.5% moisture which reduces the loop tensile strength by upto 50%. A higher moisture content leads to a lower loop tensile strength and the highest loop tensile strength is achieved in a Dry As Moulded (DAM) condition.
Cable ties conditioned with moisture content between 2 – 4%, depending on the seasonal changes at the time of the year, are shown to have the ideal balance between flexibility and loop tensile strength prior to installation. After achieving positive locking, the cable ties enter a static condition and any further changes in moisture content are insignificant.
Polypropylene is largely unaffected by moisture content in the atmospheric conditions and hence the effect on loop tensile strength is negligible. Stainless Steel both coated and uncoated are unaffected by moisture and there is no effect on loop tensile strength.
Novoflex adjusts and processes its products according to the atmospheric conditions prevailing at the time of manufacturing. For specific requirements of atmospheric conditions, please inform us and we will process the material accordingly.
- Liquid Acetaldeleyde
- Acetone
- Aniline
- Benzaldehyde/ Benzol
- Cyclohexane
- Cyclohexanone
- Decahydronapthlene
- Dimethyl formamide
- Dioctyl phthalate
- Heptane
- Ketone/ Methylethylketone
- Nitro benzene
- Paraffin oil
- Carbon bi sulphide
- Silicon oil
- Carbon Tetrachloride
- Toulon
- Trichlorethylene
- Xylene
Items exposed to Ultra Violet light may experience a breakdown in the raw material and leads to a host of performance issues such as:
- Reduced Tensile Strength
- Brittleness and loss of flexibility
- Cracks/ breakages
- Colour changes or discolouration
To prevent this, we add Carbon Black, one of the best-known stabilizers, and other specialized additives during production to provide for UV Resistance and to make the items suitable for outdoor applications.
All products offered by us in Black colour are treated to be suitable for outdoor usage.
A number of test procedures have been developed for evaluation and comparison of various materials to support combustion.
UL94 Vertical Burning Test
- Samples are tested in two different states – First in its “as manufactured” state and then in its aged state (7 days at 70º C)
- Before the test begins, the samples are placed vertically in the burn chamber. Each sample is 127mm x 127mm in dimension, with the same thickness as the final product that will be formed from the thermoplastic.
- Once the sample has been mounted, a controlled flame is placed under the specimen for 10 seconds and then removed. When the flame is no longer in contact with the specimen, any residual flaming combustion of the plastic sample is observed and recorded.
- When the sample finally self-extinguishes, the controlled flame is immediately reapplied for another 10 seconds, and then removed. Again, the specimen’s flaming combustion (in the absence of flame exposure) is recorded.
- Lastly, a piece of dry surgical cotton is placed 12 inches below the combusting sample. If any melted polymer fall onto the cotton and cause it to ignite, this detail is also recorded. When all of the flame test data has been gathered, it’s used to group the tested material into one of 2 specific material classes: 94 V0 and 94 V2.
UL94 V0
- Following either or both of the controlled flame applications, samples may not sustain burning combustion for longer than 10 seconds.
- Total flaming combustion time for 5 samples (counting both controlled – flame applications) may not exceed 50 seconds.
- None of the samples may be burned up to the mounting clamp by either –flaming or glowing combustion.
- None of the samples may drip flaming particles that result in the ignition of the surgical cotton below them.
- Following the removal of the second controlled flame, samples may not exhibit glowing combustion for more than 30 seconds.
UL94 V2
- Following either the first or second controlled – flame application, none of the samples support flaming combustion for longer than 30 seconds.
- The total flaming combustion time for 5 samples (each being twice – exposed controlled flame) may not exceed 250 seconds.
- Flaming or glowing combustion may not cause any of the samples to burn up to their holding clamps.
- Samples are allowed to drip briefly – burning flaming particles, which may cause the dry surgical cotton they land on to ignite.
- Upon the removed of the second controlled flame, none of the samples may exhibit glowing combustion for a period of time greater then 60 seconds.
When exposed to high temperatures, plastic materials undergo property loss due to oxidation. The materials are then prone to brittleness and susceptible to failure due to high impacts and prolonged vibrations.
Exposure to low temperatures also makes the materials brittle but this impact is limited till the time the temperature is returned to normal room temperatures.
The ideal installation temperature for all our parts is between 0 – 40 deg C. Once installed, the products will continue to function normally within the temperature limits defined as per the raw material used for production.
Tensile strength testing is done to ascertain the load bearing capacity of Cable Ties. The Loop Tensile Strength is tested for the stress that is applied to the locking mechanism of the cable ties from inside out. The width of the cable ties effect the loop tensile strength of the parts. Novoflex cable ties are tested as per American Aerospace standards SAE AS 3367.
Width of cable tie of standard thickness
[table id=4 /] Loop Tensile Strength is dependent both on locking design and the tensile strength (MPa) of the material. With our experience of over 40 years, our design team has perfected the design of the locking head to provide high tensile strength and improved performance even above SAE AS 3367.We manufacture more than 95% of our cable ties in Nylon 6,6 material as this is the best suited material for cable ties. We also manufacture cable ties in Polypropylene material for specific applications which offers increased resistance against strong acids but has a lower tensile strength of 33% against Nylon 6,6.
To determine Loop Tensile Strength:
- Before testing, the cable ties are first conditioned at 49°C, and 20% relative humidity for 24 hours.
- The Cable Tie is looped and locked onto a split mandrel test probe of 1.5” diameter (Cable ties of 125 mm and above length), or 0.37” diameter (cable ties less than 125 mm).
- The mandrel is opened at a controlled speed of 25 mm per minute through a motor driven tensile testing machine.
- The machine stops as soon as the cable ties break and the load at which the cable ties fail is recorded. The value recorded is taken to be the loop tensile strength of the part.
It must be noted that the Loop Tensile Strength may show a different reading from the values achieved at our plant due to various factors such as absorption of moisture and weather conditions if the ties are exposed in open condition for a significant time before testing.
The following table shows the compatibility with various different surfaces along with the resistance against various chemicals.
[table id=5 /]Surface Preparation
For best results, Novoflex Adhesive Backed Cable Tie Mounts should be applied to clean, dry, grease – free surfaces. It is recommended that for each individual application a solvent or cleanser be used to thoroughly prepare the surface for the installation of the mount to obtain best results.
Proper Installation Techniques
To install the cable tie mounts, simply remove the release liner from the bottom of the foam adhesive and place the mount in the desired location. Apply firm pressure to the mount to ensure proper adhesion. Avoid touching the adhesive prior to placing the mount on the surface.
Novoflex products are manufactured primarily from 100% Virgin Nylon 6,6 which is hygroscopic in nature. This means that based on the prevailing atmospheric conditions in the vicinity of the products, the material automatically absorbs and releases moisture.
In the case of cable ties, it is important that the material maintains an equilibrium at 2.5% moisture content by weight prior to installation for optimal performance and functionality.
The packaging that we use is engineered to ensure that the moisture content is kept at equilibrium for at least 6 months after manufacture. For time period above the same re moisturization may be required on a case to case basis.
Direct sunlight also affects the performance of the cable ties (if not UV Protected) and products must be stored away from direct sunlight in a cool dark place if being stored for extended periods of time.
It is important to note that the products must be stored preferably in their original packing and in a sealed condition to preserve the quality of the products. Customers must try to ensure usage of an entire packet within 24 hours of opening, else must reseal the packets after usage.
IDEAL STORAGE CONDITIONS
Novoflex products are manufactured primarily from 100% Virgin Nylon 6,6 which is hygroscopic in nature. This means that based on the prevailing atmospheric conditions in the vicinity of the products, the material automatically absorbs and releases moisture.
In the case of cable ties, it is important that the material maintains an equilibrium at 2.5% moisture content by weight prior to installation for optimal performance and functionality.
The packaging that we use is engineered to ensure that the moisture content is kept at equilibrium for at least 6 months after manufacture. For time period above the same re moisturization may be required on a case to case basis.
Direct sunlight also affects the performance of the cable ties (if not UV Protected) and products must be stored away from direct sunlight in a cool dark place if being stored for extended periods of time.
It is important to note that the products must be stored preferably in their original packing and in a sealed condition to preserve the quality of the products. Customers must try to ensure usage of an entire packet within 24 hours of opening, else must reseal the packets after usage.
IDEAL STORAGE CONDITIONS
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