Vermiculite Coated Fiberglass Tape
Vermiculite Coated Fiberglass Tape


Tenglong vermiculite coated fiberglass tapes are carefully woven and sized using fiberglass yarns. The applications for this product include thermal insulation and protection of wires, cables, hoses, pipe and tube, as well as affording energy savings and personnel protection.

Improve the abrasion resistance and stiffness
Tough, durable and resist metal splash and welding spatter
High tensile strength & deformation-resistance

Excellent dimensional stability

Glass Type Data

BitmapB/itmap E-Glass C-Glass
Chemical Composition SiO2 58-63% 64-68%
CaO 21-23% 11-15%
Al2O3 10-13% 3-5%
MgO 2-4% 4-6%
B2O3 - 0-6%
Chemical Resistance-14mm fiber; % weight loss after 1 hr boil in H2O 0.2 0.13
1.04 NH2SO4 0 0.1
0.1 NaOH 0.2-0.6 2.28
Temperature Softening Point 892/1635 748/1380
Coefficient of Thermal Expansion-in/in/ °F x 10-7 2/29 5/40
Specific Gravity (bare fiber) 2.63 2.49
Pristine Tensile Strength, psi 510,000 400,000

BitmapB/itmap Vermiculite Coated Fiberglass Tape
English Metric
Coating Vermiculite
Coating Thickness 0.28mil/0.7mil/
Continuous Operation 1500°F 815°C
Short Duration Exposure 1598°F 870°C
Melting Point 2057°F 1125°C
Thinckess 0.03-0.24inch 0.8mm to 6mm
Width 0.40-8inch 10mm to 200mm
Color Tan