US manufacturer of high performance polyethylene (HPPE) fibre DSM is to invest in a new production line for Dyneema fibre in Greenville, North Carolina, USA. It is the third announcement this year of new Dyneema fibre production lines at the company’s Greenville site, following earlier decisions to build two additional lines and one Dyneema UD (UniDirectional bullet resistant sheet) line.

The investment will be substantial, amounting to several tens of millions US dollars, and will bring the total number of fibre lines for the company to nine, with four production lines located at the Greenville facility.

According to the company, expansion of capacity follows continued strong demand in all application areas, such as heavy marine mooring ropes, sports applications, and cut resistant garments.

Dyneema is a super strong polyethylene fibre that offers maximum strength combined with minimum weight. It is up to 15 times stronger than quality steel and up to 40% stronger than aramid fibres, both on weight for weight basis. It floats on water and is extremely durable and resistant to moisture, UV light and chemicals. It is an important component in ropes, cables and nets in the fishing, shipping and offshore industries. Dyneema is also used in safety gloves for the metalworking industry and in fine yarns for applications in sporting goods and the medical sector. In addition, it is also used in bullet resistant armour and clothing for police and military personnel.