Grayline 631 is a flexible PVC tubing engineered to meet MIL-I-631 grades A and B specifications. This general-purpose tubing is suitable for applications requiring a wide thermal range, including appliances, automotive systems, military wiring harnesses, and airborne equipment. The product's versatility and compliance with military standards make it an ideal choice for manufacturers in various industries seeking reliable, high-performance tubing solutions. If you are looking for MIL-I-631, Grade C tubing, please go to 105C PVC Tubing. View our safety data sheet.

Grayline 7444 is a flexible PVC tubing engineered for optimal performance in extreme low-temperature environments. This PVC tubing maintains its flexibility in cold conditions, making it ideal for aircraft and aeronautical applications. Its high-quality construction ensures suitability for various commercial uses where very low temperatures are encountered. The tubing's ability to resist brittleness and maintain functionality in frigid settings makes it a reliable choice for critical systems in aerospace and other industries requiring cold-resistant components.