BLM-66 series water-proof and sealing mastic is a kind of mastic with excellent self-fusion and flexibility. It is strongly adhesive to surfaces of all kinds of materials. It can be used with electrical tape to ensure quick and simple insulation and water-proof sealing with reliable performance for cables, pipes, connectors of communication equipment, etc.
| Item | Performance index (typical value) |
| Color | Black |
| Thickness | 3.18 mm |
| Elongation at break | 400% |
| Dielectric strength | 12kV/mm |
| Volume resistivity | 1×1014 Ω·cm |
| Dielectric constant | 3.6 |
| Dielectric loss factor | 0.02 |
| Water absorption | 0.02% |
| Copper corrosion resistance | Pass (no color fading) |
(1) Width 51mm×Length 3m×Thickness 3.18mm
(2) Width 25.4mm×Length 3m×Thickness 3.18mm
Note: please contact with Brite-Line for any other customized dimension.
Cut the necessary length from the tape by scissors when using BLM-66 series water-proof and sealing mastic. It can be used between layers and easily pressed to the required shape. Wrap PVC electrical tape outside the mastic to provide mechanical protection.
store at room temperature with relative humidity <75%.
The shelf life of BLW-66 series water-proof insulation tape is three years since the manufacturing date.
BLJ-10
BLJ-10 series self-adhesive insulation tape is a kind of rubber-based electrical tape with good flexibility and insulation. It has special red release liner which will not stick on the tape when unfolding. BLJ-10 tape is applicable for insulation protection with voltage level equal to and below 10kV, and could be used for all kinds of solid medium insulation layer power cables.
BLJ-20
BLJ-20 series self-adhesive insulation tape is a kind of polyisobutylene rubber based insulation tape with good flexibility and self-fusion. It has special black release liner which will not stick on the tape when unfolding. Vulcanizing is not required for BLJ-20 tape. This tape has good insulation and moisture & chemical corrosion resistant performance, which is not only applicable for low voltage insulation, but also applicable for medium voltage insulation up to 35kV. It could be used for all kinds of solid medium insulation layer power cables.
BLJ-30
BLJ-30 series self-adhesive insulation tape is a kind of ethylene propylene rubber based insulation tape with good flexibility and self-fusion. It has special release liner which will not stick on the tape when unfolding. Vulcanizing is not required for BLJ-30 tape. This tape has good and stable insulation, which is applicable for low voltage insulation and voltage insulation up to 69kV. It could be used for all kinds of solid medium insulation layer power cables.
BLJ-76
BLJ-76 series self-adhesive insulation tape is a kind of ethylene propylene rubber based insulation tape with good flexibility and self-fusion. It is linerless and is easier for operation. BLJ-76 tape is applicable for continuous working temperate at 90℃ and also emergency temperature at 130℃. This tape has excellent physical and electrical performance, which is applicable for low voltage insulation and voltage insulation up to 69kV. It could be used for all kinds of solid medium insulation layer power cables.
BLW-28
BLW-28 series waterproof insulation tape is a kind of electrical insulation and water-proof sealing tape with good flexibility and self-fusion. It is made by ethylene propylene rubber and isobutylene isoprene rubber. BLW-28 tape is not corrosive to all kinds of cable sheath materials. The tape has wide application temperature range with rated working temperature at 90℃ and emergent overload temperature at 130℃, which can be applicated in many kinds of electrical insulation and water-proof sealing cases.
BLS-13
BLS-13 series semi-conductive tape is a kind of ethylene propylene rubber insulation tape with good flexibility. Vulcanizing is not required for this tape. It has stable performance, wide application temperature scope and maintains stable conductivity, which is well compatible with the shielding material of the cable.
BLR-31
BLR-31 series sheath repairing tape has firm and anti-friction tape base with adhesive layer of strong adhesion and good high& low temperature resistance on its surface. This tape has good fire, oil and aging resistance performance, which is applicable for quick and simple sheath repairing of mineral cable and directly buried cable, etc.
BLF-77
BLF-77 tape is a fire-retardant arc proofing tape designed to protect all types of electrical cables. Its unique formulation allows the manufacture of an unsupported elastomer that expands to provide a thick char buildup. This insulating shield protects the cables and accessories from fault arc generated heat and flames. All adjacent wrapped cables and accessories are protected when exposed to fault arcs until limiting devices can interrupt the faulted circuit. Because BLF-77 tape is unsupported, it is extremely conformable. Installers can wrap cables and irregularly-shaped accessories easier and more rapidly. This exceptional conformability enables better product control while wrapping, and more uniform coverage. Also, the tape’s thin cross sections greatly reduce overall weight compared to other methods while providing equal or better arc protection times. Cable heat is dissipated more rapidly than with other forms of thick arc protection. One-half lap wrap provides adequate protection for most installations. However, additional wraps can be applied if conditions warrant without requiring a reduction in conductor loads.