The Safety fuse consists of a train of black powder, enclosed by several strands wound jute, covered with one or more layers of jute, bitumen and colouring composition. It is also covered with polypropylene film in case of Blue Label. Whereas Green Label bears polyethylene coating. The fuse is capable of burning continuously at a uniform rate along it's entire length. The Black Powder used for making the safety fuse is a mixture of Potassium Nitrate, Sulphur and Charcoal.
Specifications
| Product Name | Applications | Diameter(mm) | Burning speed (Sec/Mtrs) | Gap Sensitivity(mm) |
| Blue Label | Dry & Moist Conditions | 4.60 to 5.00 | 115 +/- 10 | 25 |
| Green Label | Very Rugged & under water conditions | 5.0 to 5.50 | 130 +/- 10 | 25 |
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| Blue Label Green Label |
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