Calcium Sulphate Whisker For friction materials

• Post Date:

  Jul 19,2013

• Expiry Date:

  Jul 19,2014

• Detailed Description:

  Cas No. :7778-18-9 Quantity: 5000Metric Tons
  Specs:NP-M01
  Price:1600 USD Metric Tons
  Payment Method: T/T,L/C
  

  Date Sheet

  Appearance: White Powder	Whiteness: > 90%
  Fineness: 80-120 mesh	Definitely density:2.69g/cm3
  Bulk Density: 0.3-0.65g/cm3	Content: CaSO4
  Purity:≥95%	Particle Shape: Needle Shape Fiber
  Length:10 – 200 µm	Diameter:1-4 µm
  L/D Ratio: 40-80  (90%)	Moisture Content: ≤1.5%
  Heat Resistance: 1000°C	Melting Point:1450°C
  PH: 7+/- 0.5
  Package: 25kg/bag ( inner plastic back plus kraft paper bag outside)

   

   

  Example 6: Calcium Sulphate Whisker applications in the friction material

  Formula (percentage by weight):Generally dosage of calcium sulphate whisker in the friction material is 8 ~ 15%, up to a maximum of 20%.

  Effect:After adding calcium sulphate whisker in the friction material, the shear strength of the material and the impact strength improve obviously, friction coefficient under high temperature environment and well wear resistance, and environmental protection (instead of asbestos, whisker is non-toxic itself, brake dust less, low noise, lower cost etc. ).

   

  Features:

  1, CaSO4 Whisker is eco-friendly selected from food-grade gypsum.

  2, Soften the friction material.

   

  3. Stabilizing friction coefficient.

   

  4. High wear resistance and heat resistance.

   

  5. Reducing shock,lower noise,absorbing micro-wave.

   

  6. Without poisonous ash when braking.

   

  7. Extending  the life circle.

   

  8. Reducing the dosage of resins and expensive whisker to improve the competitiveness of final products.

• CAS Registry Number:

  7778-18-9

• Synonyms:

  ;anhydrouscalciumsulfate;anhydrousgypsum;anhydroussulfateoflime;calciumsulfate(1:1);calciumsulfate(anhydrous);calciumsulfate(caso4);calciumsulfate,anhydrous;

• Molecular Formula:

  CaSO₄

• Molecular Weight:

  136.1417

• Molecular Structure:

  

• Hazard Symbols:

   T:有毒物质‖N;
  

• Risk Codes:

  R49:吸入会致癌‖R42/43;
  

• Safety Description:

  S36/37:穿戴合适的防护服和手套‖S24/25;
  

• Company:

  SHANGHAI NP TRADE COMPANY LIMITED     [ China ]        

• Contact:

  Jelly

• Tel:

  86-21-54938400

• Fax:

  86-21-54135114

• Email:

  jelly@np-whisker.com