SoliPaper X-Grade

SoliPaper X-Grade

SoliPaper™ X-Grade

SoliPaper X-grade is our standard Refractory Ceramic Fiber (RCF) 1260 paper which is available for use in a wide range of applications. The SoliBulk™ X-grade, which is the main component of manufacturing process of the SoliPaper X-grade, is one of the products taking most benefit of the Generation III, Ultra Low Shot fiber technology. In result the SoliPaper X-grade, compared to standard RCF papers, excels in the highest possible thermal insulation value, low dust and handling strength.

SoliPaper X-grade is manufactured from our standard RCF SoliWool bulk and special selected fillers. With a classification temperature of 1260°C it is recommended for use up till 1100°C.

SoliPaper X-Grade

Datasheets, Media & Downloads


SoliPaper RCF Datasheet EN


SoliFelt / SoliPaper X Grade MSDS


​SoliPaper X-grade is the most standardized of our two Refractory Ceramic Fiber based paper products and is used in a wide range of applications with great success. It is also one of the products which takes most benefit of the Ultra Low Shot spining technology, which is commonly used for the production of our fiber products. SoliPaper X-grade has a classification temperature of 1260°C and is recommended for use till 1100°C continuously.

The Ultra Low Shot technology, originally developed for our Low Bio Persistence fibers, is enabling us to offer you a paper with is differenciating to other refractory ceramic fiber papers with its smooth surface, higher mechanical strength and close dimensional tolerance.

SoliPaper X-grade is very flexible, and offers a high tensile strength thanks to the high fiber index. As a result it is particulary suited to all applications requiring further processing (laminated composites, die-cutting, rolling, folding). SoliPaper X-grade is using organic binders which burn out on the first firing, starting at approximately 250°C.

Next to the SoliPaper from RCF(-Zr) fiber we also offer an extensive range of low bio persistence grade (LBP) papers and special paper grades using PCW fibers up till 1600°C.


  • High fiber index
  • Low shot technology
  • Excellent insulation performance
  • High handling strength
  • Close dimensional tolerance
  • Smooth surface and low dust
  • Easy die-cutting for high temperature gaskets
  • Excellent thermal stability

Typical applications

  • Filler for expansion joints between pre-casted shapes and IFB linings
  • Gasket for domestic appliances
  • Thermal insulation in automotive heat shields
  • Non-ferrous molten metal handling
  • General technical insulation of furnaces and technical installations


Paper manufactured from Refractory Ceramic Fiber (RCF) high temperature insulation fiber.

Temperature range

SoliPaper X-grade has a classification temperature of 1260°C and advised for maximum continuous use at 1100°C.

The maximum continuous use temperature provided on the website is a guideline and only applicable in a clean oxidizing atmosphere.

Product range

SoliPaper is part of an extensive product range supplied by Vulcor Insulation. Vulcor Insulation is supplying insulation solutions from cryogenic to high temperature applications. All products offered by Vulcor are manufactured in house or sourced from exclusive trusted third party partners.

Technical support

Vulcor Insulation provides specifiers and customers with guidance on all aspects of the materials selection for their application, the installation and compliance with relevant regulations and performance standards.

For additional information about product performance, or to identify the recommended product for your application, please contact the team at Vulcor Insulation.



SoliPaper X-grade is supplied in a density of 190 to 210 kg/m3 and in a standard thickness range from 1 to 10 mm. Our SoliPaper is standard available in both Jumborolls and standard rolls.

SoliPaper in standard rolls is supplied in carton boxes. All our paper are packed on a heat treated export pallet. Standard rolls are packed with 42 rolls rolls per pallet.

Length (mm) Width (mm) Thickness (mm)
60000 610 1
30000 610 2
20000 610 3
15000 610 4
12000 610 5
10000 610 6
8500 610 7
7500 610 8
6000 610 10

Next to the standard rolls we also supply our SoliPaper X-grade in Jumbo Rolls. Jumbo Rolls are ideal for large quantity die-cut gaskets which can be used in the automotive –and domestic appliances industry, minimizing cutting waste. The jumborolls have a standard width of 1200 mm which allow to be loaded with 4 rolls per pallet. The jumborolls are provided with heist belts in the roll which allow swift loading on the feeder for high volume gasket cutting.

Length (mm) Width (mm) Thickness (mm)
180000 1200 2
120000 1200 3
90000 1200 4
72000 1200 5
60000 1200 6
45000 1200 8
36000 1200 10


Properties measured Standard Unit SoliPaper X-grade
Grade RCF
Colour white
Classification temperature °C 1260
Continuous use temperature °C 1100
Density kg/m3 192-210
Loss on ignition wgt% < 8
Permanent linear shrinkage EN 1094-7 %
@1200°C < 3
Thermal conductivity ASTM C-201 W/mK
@200°C 0,05
@400°C 0,07
@600°C 0,10
@800°C 0,15
@1000°C 0,20
Chemical composition (after firing) ISO12677 %
SiO2 53-55
AI2O3 44-46
ZrO2 -
Fe2O3 < 0,3
Other < 0,3