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±¾²úÆ·Ö÷ÒªÓÃÓÚľ¹¤ÐÐÒµ£¬ÓÃÓÚ¶þµÀɰ¹âÓ붨ºñɰ¹â£¬²ÉÓýø¿ÚÔ²ÄÁϾ«ÐÄÅäÖÆ¶ø³É£¬Ó²¶È·¶Î§ÉÛÊÏ20A° --75A°£¬ÄÍÄ¥¡¢É¢ÈÈÐԺ㬼ӹ¤°åÃæ¹â½àƽÕû£¬80¡æÒÔÏ¿ɳ¤ÆÚʹÓá£Êǽø¿ÚͬÀà²úÆ·µÄ×î¼ÑÌæ´úÆ·¡£ The product,made of import materials,with the hardness of 20A°--75A°(by the Shores scale) and the features of abrasion proof,good thermal diffusivity and surface smoothness of processed board ,is mostly applied to second sanding of woodworking industry.It can be used for long-term operation under 80¡æ,and optimally alternative to import sames.
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