PC66 high quality plastic candle shell is made of high flame retardant PC plastic material with six points at the bottom. The flame retardant grade of plastics increased gradually  Hb, V-2, V-1 to V-0

1. HB: lower flame retardant grade in UL94 standard. It is required that the burning rate is less than 40 mm / min for samples 3 to 13 mm thick, less than 70 mm / min for samples less than 3 mm thick,  extinguished before the 100 mm mark.

2. V-2: the flame is extinguished within 60 seconds after two 10 second combustion tests on the sample. There can be combustibles falling down.

3. V-1: the flame is extinguished within 60 seconds after two 10 second combustion tests on the sample. No combustibles should fall.

4. V-0: the flame is extinguished within 30 seconds after two 10 second combustion tests on the sample. No combustibles should fall.

All candle cups in our factory are filled with flame retardant, which will  burn. Customers can buy with confidence. Our after-sales team is at your service 24 hours a day. Shenyang Tengsheng plastic packaging Co., Ltd. has gathered hundreds of professional Tengsheng people  all over the country. They are fighting for the development of Tengsheng plastics industry. After continuous exploration, Tengsheng people have gone out of their own road to success. Always maintain perfect technology, always pursue quality. Tengsheng people have been committed to providing better products  services for domestic  foreign customers.