1.What’s the fire rating categories ?
VO-Burning stops within 10 seconds on vertical specimen; drips of particles allowed as long as they are not inflamed.
HB-Slow burning on a horizonal specimen’s burning rate <76mm /min thickness <3mm or burning stops before 100mm.
TP(b)-Slow burning rate <50mm / min for thickness <3mm.
TP(a)-Self extinguishes and flaming and afterglow should not exceed 5 seconds once source the source of flame is removed.
2.Do you have the ability to do independent and development ?
Our engineer department have 15-20 people. We have the research and development capabilities. We also collect regularly each customer feedback. We have product improvement and new product development. We also hold monthly new product launches.
3.How long is the delivery time ?
Samples within 3 working days, bulk order is within 15-20 working days. If you are very
urgent, we will try our best to help you.