| Our 92 Polyester upholstery-grade thread meets US Military Spec VT-285F.
Specifications:
Size 92
Government Spec: F
Average yardage per pound: 4,500 yards
Average tensile break: 14.5 LBS
Elongation: MAX 26%
Diameter: .0124
TPI: 13S X 9Z
Effects of Heat: Sticks at 440 to 445 F. Melts at 483 F.
Effects of Bleaches and Solvents: Excellent resistance to bleaches and other oxidizing agents. Generally insoluble except in some pheolic compounds.
Effects of Acids and Alkalis: Good resistance to most mineral acids. Dissolve with partial decomposition in concentrated solutions of sulphuric acids. Good resistance to weak alkalis. Moderate resistance to strong alkalis at room temperature. Disintegrate in strong alkalis at boil.
Effects of Mildew, Aging, Sunlight & Abrasion: Not weakened by mildew, excellent resistance to aging and abrasion. Prolonged exposure to sunlight causes minimal strength loss.
Dyes used: Disperse developed and catonic (for some types), with carrier or at high temperatures.
|
