Technical Specifications for Alumina-Silica Products

These tables provide technical specifications for the range of alumina-silica products we supply, including yarns, sewing threads, rope, cord, woven fabrics, woven tapes and braided sleeving products.

For more information, go to the NITIVY ALF Alumina-Silica page.

Standard Yarn Products

Type Form Yield(tex) (g/1,000m) F.D*(µmφ) Twist(T/m) Quantity(g/bobbin) Length(m/bobbin) O.D*(mmφ)
S-640D Two ply 67 7 90 200 3000 0.3
S-1280D Two ply 133 7 90 400 3000 0.5
S-1920D Three ply 200 7 90 400 2000 0.6
S-3840D Three ply 400 7 90 400 1000 0.7

Standard Sewing Thread Products

Type Use Yield(tex) F.D(µmφ) Twist(T/m) Quantity(g/bobbin) Length(m/bobbin) O.D*(mmφ)
T-5760D Hand sewing 600 7 170 400 670 1.0
CT-2560D Machine sewing 330 7 180 350 1,060 0.5
CT-5120D Machine sewing 660 7 180 350 530 0.8

Standard Rope, Cord Products

Type Form O.D*(mmφ) Twist(t/m) Weight(g/m) Length(m/bobbin) Quantity(g/bobbin)
RP-18 Twisted rope 2 100 3.8 133 500
CD-2 Braided cord 2 - 2.6 50 130
CD-3 Braided cord 3 - 5.2 50 260

*F.D=Filament diameter, O.D=Outside diameter

*Outside diameter “OD” mentioned in the tables are just for preliminary knowledge

Standard Woven Fabric Products

Type Weave Yield of yarn(tex) Yarn count(per inch) Weight(g/m2) Thickness(mm)
Warp Fill JIS ASTM
3025-T Twill 200 30 25 440 0.35 0.55
1111-P Plain (mesh) 600 11 11 500 0.68 0.87
0909-P Plain (mesh) 200 9 9 145 0.21 0.41
2626-P Plain 133 26 26 280 0.21 0.31
2525-P Plain 67 25 25 128 0.12 0.21
2220-S Satin 400 22 20 670 0.61 0.97
4018-D Double twill 400 40 18 940 0.80 1.35

*Applied standard to measure thickness (JIS: JIS R3420, ASTM: ASTM D1777).

*Standard woven fabric products are all 1m width and 30m/roll.

Standard Woven Tape Products

Type Weave Yield of yarn(tex) Yarn count(per inch) Weight(g/m2) Thickness(mm) Width(mm)
Warp Fill JIS ASTM  
TP-25S Twill 200 30 22 11 0.32 0.53 25
TP-25D Twill 600 48 11 37 1.30 1.87 25
TP-30S Plain 200 30 22 13 0.32 0.45 30
TP-50S Plain/Twill 200 30 22 22 0.32 0.45/0.53 50

*Standard woven tape products are all 30m/roll.

*Applied standard to measure thickness(JIS:JIS R3420,ASTM:ASTM D1777).

Standard Braided Sleeving products

Type Yield of yarn(tex) I.D*(mm) Weight(g/m) Picks Chemical Composition Quantity(m/roll)
SV-1-XP 33 0.3 0.7 16 A/S = 70/30 50
SV-1-SP 67 0.5 1.4 16 "  " 50
SV-1 133 1 2.3 16 "  " 50
SV-2 200 2 3.7 16 "  " 50
SV-6 200 6 12 24 "  " 50
SV-12 200 12 24 48 "  " ab.25
SV-16 200 16 39 64 "  " ab.25
SV-20 200 20 46 84 "  " ab.25
SV-40 200 40 90 96 A/S = 60/40 ab.40
SV-60 200 60 194 96 "  " ab.50
SV-85 400 85 340 96 "  " ab.40
SV-95 400 95 380 96 "  " ab.30

*I.D=Inside Diameter

Further information on NITIVY ALF Alumina-Silica products

For further information on our range of Alumina-Silica products go to the NITIVY ALF Alumina-Silica page.

Contact us

Please contact us if you need an item which is not listed in the above product list.

To place an order or request further information on NITIVY ALF alumina-silica products, please call +44 (0) 1538 385888, email sales@gaddumandgaddum.co.uk, or complete the enquiry form.