Cable jointing · Bosworth
Bosworth Flexable Resin Cable Joint
Two-part polyurethane cable-jointing resin, with the mould selected to the cable
The Bosworth Flexable Resin Cable Joint is a two-part polyurethane casting resin for electrical cable jointing and repair in mining and industrial applications, supplied by Kia-Kaha Mining with cable-specific moulds and application consumables. The resin is supplied in a sealed foil pack for easy mixing and a fast cure; the mould and pack are selected to the cable construction, outside diameter, conductor size and joint configuration.
The resin
Product data
- Two-part polyurethane resin, supplied in a sealed foil pack
- Begins to cure about 10 minutes after pouring at ±20 °C
- Mould can be removed after 30–45 minutes at ±20 °C
- Cured hardness 65–70 Shore A
- Available in green, yellow and red
- Shelf life 12 months unopened; store 15–25 °C, out of direct sunlight
Product data per MASC report 26-4548 and the Bosworth product description.
Moulds & consumables
Selecting the mould
- Mould size 1: conductor 1.5–4.0 mm²; cable outside diameter 6–15 mm
- Mould size 2: conductor 4–16 mm² up to four-core; cable outside diameter 15–23 mm
- Mould size 3: conductor 16 mm²; cable outside diameter 38–45 mm
- Mould size 4: conductor 25–35 mm²; cable outside diameter 42–50 mm
- Larger mould / resin-pack combinations selected by cable outside diameter and resin volume
- PVC FR tape, release agent, bonding agent and application consumables
Mould ranges are the current working reference — confirmed against the current Bosworth data sheet for the exact cable and joint.
Documentation
Test report and data
A voltage rating is not published — the MASC report is a flammability test, not an electrical rating. The current technical and safety data sheets and the joint procedure are available on request.
- Product / model
- Flexable Cable Joint — two-part polyurethane resin
- Certificate / report no.
- MASC 26-4548
- Issue / revision
- Issued 08 June 2026
- Scope
- MASC (SANAS test lab) test to the flammability requirements of SANS 1520-1 (2022) Ed 2.1. The samples tested complied. Covers the samples submitted, for use in South Africa — not a voltage rating; not supported outside South Africa.
Buyer questions
Common questions
Testing
MASC flammability test
Footage from the MASC flammability test on a Bosworth Flexable Resin Cable Joint sample. MASC tested it to the flammability requirements of SANS 1520-1 and the samples tested complied — see report 26-4548 (08 June 2026). It is a flammability test on the samples submitted, for use in South Africa, not a voltage rating.
View the MASC test report (PDF) →On site
Bosworth Flexable cable joints in the field
Request a quote
Send cable size, joint type and application
Measure the cable outside diameter accurately and tell us the cores, conductor size, voltage and joint configuration.