Safety Fuse
Safety Fuse is a flexible cord containing a core of Explosive Black Powder which is covered with combination of various yarns and finally with PVC/LDPE coating. This process protects Safety Fuse from extreme temperature, water, oil or other elements and provides essential feature of tensile strength, flexibility and other handling characteristics. It can be initiated with hot object or open flame.
Technical Specifications
|
Requirements
|
Spec. Values
|
Test Values
|
| Base Charge |
Black Powder
|
Black Powder
|
| Charge Weight |
5.5 gm / m
|
6.0 gm / m Min.
|
| Inner Consturction | Textile |
Textile |
| Finish | Polyethylene Coating |
Polyethylene Coating |
| Diameter |
5.5 mm Max.
|
5.2 mm
|
| Breaking Strength |
55kg. F. Min |
100 kg. F.
|
| Burning Rate | 100~120 sec/ m |
110 sec/m
|
| Explosive Classification | Class 6 Division 1.4 SUN No 0105 |
Pass |
| Flame Sensitivity |
Yes, for the open & exposed end
|
Pass |
| Impact Sensitivity | Pass |
Pass |
| Waterproofness |
Shall be ignited and burn after immersing in water 1m in depth for 2hrs.
|
Pass |
| Flexibility | Flexible at normal condition |
Pass |