NBC OVER BOOT

SKU: VSSL93888

Description :

NBC Over Boot will be manufactured of Butyl Rubber Compound.

Vulcanised over boot will be impermeable – free from embedded grit/foreign matter with a surface smooth free from tackiness, grits rigdes, micro cuts, tearing, blisters and any other visual defects.

The sole will be parallel non even ribbed grip type as per the drawing given in the specication. The Over Boot comes in two sizes 5 – 7 and 8 -11. The Over Boot will conform to JSS Specication No.JSS-8435-16:2013 Rev.2.

NBC Over Boot will be manufactured of Butyl Rubber Compound.

Vulcanised over boot will be impermeable – free from embedded grit/foreign matter with a surface smooth free from tackiness, grits rigdes, micro cuts, tearing, blisters and any other visual defects.

The sole will be parallel non even ribbed grip type as per the drawing given in the specication. The Over Boot comes in two sizes 5 – 7 and 8 -11. The Over Boot will conform to JSS Specication No.JSS-8435-16:2013 Rev.2.

NBC OVERBOOT SECIFICATION DETAILS:

JSS Specification No. JSS-8435-16:2013 Rev.2.

(i) Description Butyl rubber compound.

Vulcanised Overboots should be non-porous, free from any embedded grit/foreign matter and the surface shall be smooth, free from tackiness, grits rides, microcuts, tearing, blisters and any other visual defects. The sole should be of parallel non-even ribbed grip type as per the attached drawing.

(ii) Size One to cater for shoe size of 5 to 7 and another to cater for shoe size 8 to 11; detailed dimensions for each size are given in Plates No 2 to 5 respectively, attached at the end of this specification. The size of overboot either 5-7 or 8-11 and R (for right odd) and L (for left odd) shall be legibly embossed on back side.

(iii) Rubber The rubber parts of the NBC Overboots shall be made from butyl rubber vulcanized and also should be nonporous, homogeneous and conforming to the physical properties as mentioned in Table 4.

(iv) Fabric The following fabric shall be used for re inforcement (a) The lining for back-reinforcement shall be Cotton Stockinette secured conforming the requirement as under: Weight/mtr ‘g’ -250± 10% No. of Wales/cm -28-30 No. of Coarses/cm -25-26 (b) The insole and button fixing region shall be reinforced with cotton sheeting scoured as per requirement given below: Weight/ sq. mtr -80± 10% No of threads/dm Warp -230 Weft -190 Breaking Strength (5x20 cm bet grip) Kgf Warp -25 Weft -15

(V) Elastic Cord Cotton Braided The tying cord shall be in the form of an end less loop.

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