supply of polyurethane based sealantpolyurethane based sealant,supply of polyurethane based sealant for lhb and vande bharat coaches:- one set consisting of t he following items: 1. primer : sika primer 207 or loctite 8517 or total seal 5028 or 3m or eq uivalent- 2 ltrs 2. adhesive: sika flex 265 or henkel (teroson pu 8590) or total seal (so udaflex 621) or 3m (pu 540)- 29.4 litres 3. 01 nozzle and silicone sealant gun suitable to apply the above adhesive note:- 1. the primer and adhesive should be of the same fir m 2. black in colour 3. adhesive should be delivered in cartridge of 600ml/310 ml 4. pri mer should be delivered in can of 1 ltr 5. shelf life must be minimum 12 months 6. man ufacturing date should not be older than 04 months from the date of delivery 7. au thorized dealership certificate to be produced along with the offer [ warranty period : 30 months after the date of delivery ]