Perma Core Tkt 75 is a medium-weight premium corespun sewing thread from American & Efird (A&E). It has a continuous filament polyester core wrapped in polyester staple fibre, giving higher strength and better sewing performance than ordinary spun polyester of the same size. A good all-round weight for upholstery seams, piping, cushions, mattresses and soft furnishings.

Key features

• Tkt 75 (tex 40): medium, all-round weight.
• Higher tensile strength than spun polyester threads.
• Excellent sewability and ply security: fewer thread breaks and skipped stitches, even on automatic machines.
• Good seam strength and abrasion resistance for hard-wearing upholstery.
• Very good colour fastness.
• 5000m cone for industrial sewing machines.

Specifications

• Fibre: polyester core, polyester wrap
• Construction: corespun, soft finish
• Acid resistance: excellent
• Bleach resistance: excellent
• Alkali resistance: fair
• Abrasion resistance: good
• Maximum continuous temperature: 145°C
• Melting point: 265°C

Also available in fine Tkt 120 and heavy Tkt 36. Colour codes are the manufacturer's A&E shade numbers. Cones are ordered in from our supplier, so please allow a few extra days for delivery.