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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.

Safety Fuse

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
Will pick the flame at 50 mm distance
60mm
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