Silica sewing thread
Product description
- Produced from an extremely pure base yarn
- Silica based materials provide burn-through protection from molten metal and weld splatter
- Used at 1800¡ãF / 982¡ãC continuously , molts above 3000¡ãF / 1650¡æ
- Highly flexible and virtually no shrinkage
- High abrasion resistance and tensile strength
- Different coating available, and normally coating materials is PTFE, PU, etc.
Common applications for this sewing thread are used to sew filter bags by hand sewing, also used to sew weak alkali-resistant weave. It fulfill the need of sewing filter bags used in carbon black/ metallurgy/ cement industries .
Silica Sewing Thread
Part number
TEX
Ply
Twist
£¨twist/m£©
Strength£¨N£©
Thermal
Shrinkage (%)
WSYS370
370¡À30
12
200¡À20
£¾64
¡Ü5.0
WSYS320A
320¡À30
12
200¡À20
£¾64
¡Ü5.1
WSYS470
470¡À40
15
200¡À20
£¾80
¡Ü5.2
WSYS400A
400¡À40
15
200¡À20
£¾80
¡Ü5.3
WSYS570
570¡À40
18
200¡À20
£¾90
¡Ü5.4
WSYS490A
490¡À40
18
200¡À20
£¾90
¡Ü5.5
WSYS670
670¡À45
21
180¡À20
£¾100
¡Ü5.6
WSYS580A
580¡À40
21
180¡À20
£¾100
¡Ü5.7
WSYS770
770¡À50
24
150¡À15
£¾130
¡Ü5.8
WSYS670A
670¡À45
24
150¡À15
£¾130
¡Ü5.9
Roll weight around 500g/spool, 24rolls/ctn
Note:
1. Coatings (-A is uncoated thread, and the others are coated.)
2. As this silica sewing thread is leached silica(leached silica have less tensile strength), when it¡¯s used in industrial high speed sewing machine require a transmission to limit the velocity less than 30 punches per minute to avoid to break the thread.
