Sheng Chia large flex-bolt sandwich mounts are used in high-speed, repetitively operating machines that require good shock absorption and good elasticity. Constructed with high-strength bonds and specially compounded elastomers, these mounts provides high load-carrying capacity and assure long life. Specification 1. JIS B1181-74 2. CR, NR, NBR Features & Benefits 1.Good shock absorption. 2. The K value can reach over 3000KG.. Customer defined K value is also acceptable. 3. Specially compounded elastomer and high-strength bonding assure extended service life. 4. Customer dimension and design mold inquiry is acceptable.