Mersen has designed a brand new block design, known as Polybloc® TSR (patent pending), offering a enormously improved resistance to thermal shocks. This design lessens the mechanical stresses induced by thermal shock by a factor exceeding three and thus noticeably decreases the risk of breakage. H-DRY 300H-DRY three hundred features https://www.facebook.com/permalink.php?story_fbid=pfbid0yWuG7uBtsSTEXQ7jVxdE5yUsm8A5NPXd9FZj4jkpj22UU3fPnx2aG2nhR7AW23Zgl&id=61560512640678&__cft__[0]=AZWHEpHK2BqDPhPZsi2GJ1d_ln7tOIGeqp8dhxi0q7QBkdrBQ3dWaEMZn7xNC4PON5D1Vgh1dQGgpPXjJapDFS7QpvTLAyU-4-LX2IBpFfwOjhs6UkrhSAh2J4BQv7-BBug6zLhxJxFcGid6wTvBqUunAdCKUwgpbUU1E2xix3e39lk12RHtLRWR-hD5Dez3pas_eaGvAO7uXmXjmMZs2YGh&__tn__=%2CO%2CP-R