Discount Dust Free Rock Wool Gland Packing Round

• Material: Dust Free Asbestos
• Shape: Round
• Refractoriness: 250-550
• Loss on Ignition: 32%
• Color: White
• Product: Dust Free Rock Wool Packing
• Transport Package: Carton
• Specification: 4mm-50mm
• Trademark: GYSM/RUIFENG
• Origin: Zhejiang, Cixi

Product Description

Discount Dust Free rock wool gland packing round
rock wool  Rope The series of rock wool  products handled and exported by our corporation consist of
rock wool  yarns, rock wool  packing, rock wool  tapes, 
compressed rock wool  fibre joint sheets and lubricate rock wool  packing, etc.
Possessing the properties of fireproof, heat insulation, thermal retention, electric
insulation and alkali resistance, these gasket and sealing stuff are essential
to modern machinery, electrical machinery, steamship boiler, electrical engineering
and other industries.

Our rock wool  products are made of high quality materials with skillful workmanship.
With their excellent quality and complete range of specifications, they are warmly
welcomed by customers both at home and abroad. 

There are two type of rock wool  fiber yarn, dust free and with dust:
Dust free yarn: composed of around 99% asbestos fiber and 1% chemical powder, color: white, temperature: 550°C
Dust yarn: composed by around 70-85% rock wool  fiber and 15-25% cotton fiber, color:
white, temperature: 250 ~ 550°C, according to quality grade of  rock wool 
fiber, it can be divided into five grades: common, A grade, AA grade, AAA grade,
and AAAA grade, different grade has different temperature resistance and tensile
strength, the yarn can be reinforced by glass fiber yarn, brass yarn, and stainless
steel yarn according to requirements.

rock wool  ropes:
1) Made of long rock wool  fiber yarn and braided into round form
2) Extensively used as heat insulation materials on thermal installations and heat
conduction systems operated at temperatures up to 250°C, loss on ignition
32% max.
3) Braided rock wool  round ropes with metallic (copper wire, nickel wire or stainless
wire) are also available
4) Refractoriness: 250 ~ 550°C 
5) Refractoriness of dust free asbestos round rope: 480 ~ 550°C
6) Thickness: 3 - 50mm