BST-BS braided basalt fiber sleeve, thin wall 1.5 mm is made by filament basalt fiber, thick wall 3 mm is made by texturized basalt fiber.                                    
1.5 mm thickness from 6mm to 152mm, 3mm thickness from 10mm to 100mm.                                    
Highly resistant to most oils, hydraulic fluids, fuels, acids and alkalis, and moisture.                                    
It provides excellent protection for industrial wires, cables, hoses (hydraulics), tube and pipes and also provides thermal insulation and personnel protection.