basalt fiber sewing thread for stitching filter bag

Description

basalt sewing thread  is a new mineral fiber with the main material of basalt, and it is a new fiber material which made of rocky wool by high temperature melting and refrigeration. It not only has the specifications of asbestos and fiberglass, but also has other kinds of excellent capabilities.

For example:

    1. resisting the high temperature of 700(holding the temperature), and resisting the low temperature of -270;

    2.high intensity and high elasticity module;

    3.low ratio of booting heat, insulating heat, absorb  sound and insulating sound;

    4.resisting the corrosion of acid and alkali;

    5.smooth surface of the silk, good ability of being weaved, resisting rubbed, soft feeling and non-harm to body.