Performance Description: 
The product selects cotton canvas, nylon canvas or EP canvas as carcass. Cover rubber selects a blend of NR and BR, which has the properties of high elasticity, shock resistance, cold resistance and etc. It can work normally under the conditions of -40oC. According to cold resistance, it can be divided into two types of C1 and C2. 
C1-Working temperature: -45~+50oC 
C2-Working temperature: -60~+50oC