p.u direct in jection moulded safety shoes
concord safety shoes
Safety product

Nitiril Rubber
Natural Rubber
PVC
NitrilePVC
PU
1.
Resistance to chemicals Acid & Alkali
Excellent
Fair
Fair
Excellent
Generally good, Poor to some organic acids
2.
Resistance to fuel oils & mineral oils
Excellent will give longest life
Poor
Moderate
Excellent
Good
3.
Resistance to ambient heat or hot contact
Can withstand hot contact at 4000 C for one minute
Heat resistance up to 3000 C
Heat resistance up to 1400 C
Withstand hot contact up to 1400 C for one minute
Can resist up to 1200 C
4.
Puncture or Penetration resistance
Excellent
Good
Excellent
Excellent
Poor, Shall be used with steel midsole
5.
Abrasion Resistance
Good
Good
Good
Good
Excellent
6.
Electric Shock Resistance
Up to 15 KV Special blend can provide up to 31 KV
Up to 15 KV
Up to 11 KV
Up to 11 KV
Up to 20 KV
7.
Weight(Standard Volume)
Around 650 grams per pair of sole
Around 650 grams per pair of sole
Around 550 grams per pair of sole
Around 550 grams per pair of sole
Around 325 grams per pair of sole