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Adderss: Hengxi Industrial Zone,Yinzhou,Ningbo,China

Tel: 86-574-88061031

Fax: 86-574-88471239

Email: kathy@cndahua.com

Production lines, material, color code
Advanced manufacturing technology and special product formulas have permitted a high degree of product differentiation,enabling the user to select the most suitable
reinforced cutting and grinding discs wheel for any specific application.
Six material groups for reinforced cutting and grinding discs
classification of material is based on their machining properties.The system of product label codes facilitates the choice of the optimum reinforced cutting and grinding discs.

Abrasive type code

Grit size
Hardness grade



A= aluminum oxide 

C= silicon carbide
Z= zirconia alumina grain
ZA= zirconia alumina grain/Aluminum oxide
AC=aluminum oxide/ silicon carbide
WA= white corundum

The hardness is graded from soft to hard by means of letters in alphabetically ascending order。
(A to Z)
H-K= soft
L-O= medium
P-S= hard
T-S= very hard

BF=Resinoid Bond

woven or ono-woven

Maximum operating speed

The maximum operating speede(m/s)is shown on the product label and product packs by a color bar in accordance with the specification of EN12413.the maximum permissible R.M.P.specification applies to the nominal diameter of the tools.
Dimensions and shape
The diameter, thickness and center hole dimension are indicated in the drawings and tables by means of the following symbbols:

Safety Recommendations
 Wear protective goeeles!Wear protective gloves!
Wear ear protectors!Wear dust respirator!
Observe safety recommendations!Not approved for wet grinding!
Not approved for free-hand and hand-held operation!Not approved for side grinding!
Mounting system
Never use flanges of different diameter Two flanges clamping a cutting and grinding tools must always have the same outside diametar and support area.

Adderss: Hengxi Industrial Zone,Yinzhou,Ningbo,China Tel: 86-574-88061031 Fax: 86-574-88471239

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