Coats Sewing Solutions: Automotive Recommendations

The sewing thread recommendations laid out below are intended as a guide to aid the construction of items with good quality seams. As items of the same generic type differ in terms of substrate and construction, and both making up methods and post make up processing can greatly vary, these recommendations should be viewed as a good starting point for thread selection.

Operation	Stitch Type	Critical Requirement of Thread	Needle thread			Under thread
Operation	Stitch Type	Critical Requirement of Thread	Description	TEX	TKT	Description	TEX	TKT
1. Seat Covers & upholstery	301 or 304	* Resistance to sunlight through glass * Sewing productivity on long seams	neophil Bonded Nylon	69 92 138	40 30 20	neophil Bonded Nylon - kingspool or hembob*	69 92	40 30
			neophil Lubricated Nylon	46 69	60/3 40	neophil Lubricated Nylon - kingspool or hembob*	46 69	60 40
			neophil Lubricated Polyester	132	20	neophil Lubricated Polyester- kingspool or hembob*	132	20
2. Seat Cover serging	504		gramax Textured Polyester	33	80	gramax Textured Polyester	33	80
3. (a) Seat Belts	301	High speed multi- directional sewing of intricate designs within a small flat area.	neophil Bonded monocord Nylon	147	18/1	neophil monocord- Nylon - belbobs & barbob*	147	18/1
			neophil Bonded Nylon SLB**	138 207	20 13	neophil Bonded Nylon SLB**	138 207	20 13
			neophil Lubricated Polyester	277 333	11 9	neophil Lubricated Polyester kingspool or hembob*	277 333	11 9
(b) Label Sewing	301		neophil Bonded Nylon	69	40	neophil Bonded Nylon kingspool or hembob*	69	40
4. Air Bag System	301 or 401	* Resistance to extreme abrasion, flexing and heat * Good strength retention under high impact loads	neophil Bonded Nylon	92 138	30 20	neophil Bonded Nylon kingspool or hembob*	92 138	30 20
			neophil Lubricated Nylon	138	20	neophil Lubricated Nylon - kiingspool or hembob*	138	20
			neophil Bonded Nylon	207	13	neophil Bonded Nylon kingspool or hembob*	207	13
		High heat / impact resistance	neophil Bonded Para-aramid	69	40 (50/4)	neophil Bonded Para-aramid	69	40 (50/4)
5. Tear Seam system (side air bags)	301	Threads should tear in situ for deployment of side air bags on impact	neophil Bonded Nylon	69	40	neophil Bonded Nylon	69	40
6. Steering Wheel Covers	Hand Stitch	Resistance to abrasion and perspiration	neophil bonded Nylon	138 207	20 13
7. Gear Stick Covers	301	Stylish appearance	neophil bonded Nylon	69 92	40 30	neophil Bonded Nylon	69 92	40 30
8. Spare Wheel Covers	301	Weather resistance	neophil bonded Nylon SLB**	69	40	neophil Bonded Nylon	69	40
9. Carpets/Mats --attachment	301	Abrasion resistance	neophil bonded Nylon	69	40	neophil Bonded Nylon	69	40
- overedging	504		gramax Textured Polyester	90	30	gramax Textured Polyester	90	30
10. Roofs		Colour and light fastness	neophil lubricated Polyester	132	20	Neophil lubricated Polyester	69	40

* Hembob: Pre-wound bobbin without the core and without the sidewalls

Belbob: Pre-wound boobbin with the core but without the sidewalls

Barbob: Pre-wound boobbin with the core but without the sidewalls

** SLB: Specially Lubricated and Bonded

Specific recommendations for thread and needle selection as well as accurate thread consumption figures and on site technical support can be obtained by contacting your local Coats office

These recommendations and consumption figures are intended as a guide and are given in good faith but without warranty or liability on the company or it's employees.

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