Nylon powder for anti loosening screws, bolts

Screw anti loosening nylon powder

In the past, to prevent screws from loosening, we used liquid glue to seal the ends of the screws. There were methods such as drilling holes and embedding nylon strips to prevent loosening, or adding spring washers to prevent loosening. However, the anti loosening effect was often not obvious or the efficiency was low, making operation inconvenient. The small invention and creativity of American company Nylok brought a revolution into the field of screw anti loosening. They found a special material to easily achieve the anti loosening effect, which can be repeatedly used and has a significant anti loosening effect. It can be produced on a large-scale. The material must meet the following requirements: 1. It is a heat shrinkable material with elasticity. 2. Strong adhesion with screws: not easy to loosen, resistant to oil and solvents. 3. Moderate hardness: if the hardness is too high,  it'd make it difficult to lock screws, if the hardness is too small, and the torque cannot be guaranteed.

Rohm Haas and Nylok collaborated to develop this special material, which is mainly composed of nylon 11 resin, a long carbon chain flexible nylon refined and processed from castor oil. When the shear force exceeds the yield strength of nylon 11. To tighten or loosen screws, the destructive force generated by ordinary vibration cannot reach the yield strength of nylon 11. So far, no other material has been found to be more suitable for screws than nylon 11. Through cooperation with material manufacturer Rohm Haas, nylok has become a leading brand in the global screw anti loosening industry. In the past decade, this technology was introduced to China and has rapidly developed and grown. More and more users have recognized the reliability, reusability, and convenience of  anti loosening screws. They are so suitable for assembly line of mass production. It has been successfully popularized in the mobile phone industry, sports equipment, high-end furniture, automotive parts, and other fields.

Our company is the distributor of Rohm Haas company's nylon 11 powder in China. Powder colors include blue, red, orange, coffee, gray, green, etc. Depending on the size of the screw thread,  powders  of different particles are available. In addition, for some special screws, there are special powders that do not require secondary electroplating due to differences in surface coating.

Before using this product, remove oil and rust from the screws. Oil stains on the substrate will significantly affect the adhesion of the coating. It is not recommended to heat the screws too high. When the temperature of nylon 11 is above 300 ℃, the degradation rate will accelerate and it will also affect the interlayer adhesion. It is recommended to set the temperature so that the surface can form a sand like shape. If the temperature is too high, the surface will level, and the anti torsion resistance will be reduced. When this product is not in use, it needs to be wrapped for moisture-proof purposes.

Our company is the agent of ROHM HAAS nylon 11 powder coating in China. The coating has high hardness, excellent wear resistance, good chemical and solvent resistance, good weather resistance, strong adhesion, and excellent comprehensive performance. The cooperation between Rohm&Haas Company and Nailuo Company in the United States was the earliest to apply nylon powder coating to the field of screw anti loosening, which quickly promoted this screw anti loosening technology globally. Its nylon powder coating is a model in this field.

The principle of screw anti loosening is to utilize the unique mechanical properties, processing performance, solvent resistance, high adhesion, and high and low temperature resistance of nylon 11 resin. The screw is instantly heated to high temperature through high-frequency heating, and nylon 11 powder is sprayed on the heated screw teeth, cooled and formed. After tightening this type of screw, it must be subjected to sufficient shear force to exceed the yield limit of nylon 11 resin in order to loosen the screw. The usual vibration force is not sufficient to loosen the screw, thus playing a good anti loosening effect. Due to its plastic nature and special resilience, it can be used multiple times without affecting its performance.

Rohm&Haas Nylon 11 Powder is a leading brand in the global screw locking industry, with excellent performance demonstrated in:

1. High and long-lasting torque, good anti loosening effect, can be used repeatedly for 50 times to maintain anti loosening effect.

2. The adhesion is firm and long-lasting, and it can show unique comparative advantages whether it is mechanical damage or chemical solvent immersion damage.

This powder is commonly used in sky blue, and is also paired with red, green, orange, yellow, etc.