SAFE. RELIABLE. EFFECTIVE.
Protect your critical electrical infrastructure with BRENT heat-shrinkable bus bar sleeves. Engineered for reliability, these sleeves provide superior insulation and protection for copper and aluminum bus bars in switchgear and substations.
In high-voltage environments, space and safety are paramount. Our sleeves are designed to reduce clearance requirements while maintaining maximum dielectric strength.
Space Optimization: Allows for more compact switchgear designs by reducing the necessary air gaps between phases.
Flashover Protection: Effectively prevents accidental discharge caused by dust, humidity, or small animals.
Environmental Shielding: Offers excellent resistance to UV radiation, chemicals, and moisture, preventing bus bar corrosion.
Easy Installation: High shrink ratios ensure a tight, custom fit over complex bends and bolted connections.
Ordering Reference
| Code | (D) Internal Diameter (As Supplied) | (d) Internal Diameter (After Recovery) | Wall Thickness (After Recovery) |
| BBS- 25/6 | 25 | 6 | 2.9-3.1 |
| BBS- 33/8 | 33 | 8 | 2.9-3.1 |
| BBS- 40/12 | 40 | 12 | 2.9-3.1 |
| BBS- 55/16 | 55 | 16 | 2.9-3.1 |
| BBS- 65/19 | 65 | 19 | 3.0-3.1 |
| BBS- 75/22 | 75 | 22 | 3.0-3.1 |
| BBS-85/25 | 85 | 25 | 3.1-3.4 |
Technical Specifications
| Property | Requirements | Test Method |
| Tensile strength | ≥ 13.5 MPa | ASTM D 2671 |
| Tensile strength after aging (120° C/168 Hrs) | ≥ 10 MPa | ASTM D 2671 |
| Longitudinal shrinkage | 0 to -10% | ASTM D 2671 |
| Elongation at break | ≥ 400% | ASTM D 2671 |
| Elongation at break after aging (120° C/168 Hrs) | ≥ 250% | ASTM D 2671 |
| Dielectric Strength | ≥20KV/mm | IEC 243 |
| Dielectric constant | 4.0 | IEC 250 |
| Volume resistance | 1013 Ohm cm min. | IEC 93 |
| Flammability (oxygen index) | ≥ 25 | ASTM 4589 |
| Copper corrosion (120°C/168Hrs) | No corrosion | ASTM D 2671 |
| Cold bend(-40° C/4 Hrs) | No corrosion | ASTM D 2671 |
| Water absorption (23° C/14 days) | <0.5% | ISO 62 |
CORE Heatshrink Products Company
48, Tyagi Garden, Yamunanagar-135001, Haryana (India)
coreheatshrink@gmail.com
enquiry@coreheatshrink.com
+91-981-3213-489,
+91-972-9423-780
+91-989-6810-913
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