N-Mastics -A non-skinning polybutene rubber based mastic that remains permanently soft and paste-like. Prevents moisture ingress in cool room panels.

• 隐蔽缝软胶，一种不凝固聚丁烷填缝剂。具优良防潮、防菌、防渗透、无毒素等特点。是专为冷冻房、冷藏柜间的隐蔽缝而设的胶种。