| Br90002012-6-13
                                                    flexibility and good abrasion resistance, aging resistance, good low temperature resistance and excellent dynamic heat load is small, easy-to-metal bonding;...
                                                 | 
| Br90002012-6-13
                                                    flexibility and good abrasion resistance, aging resistance, good low temperature resistance and excellent dynamic heat load is small, easy-to-metal bonding;...
                                                 |