If you are looking for customized and cheap high strength courtyard brick with hole made in China from a high strength courtyard brick with hole factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.DescriptionClay Paving brick is pressed forming by clay material and sintered with high temperature. These bricks not only used for paving, but also Widely usd in wall adornment, fireplace and chimney of building. We can provide all kinds of sizes , specifications and various colors according to consumer 's requirements.Al2O3Cold comprressive stdrengthRefractorinessBulk densityAcid Resistance>32%>45MPa>1650C2.1kg/cm388~90%Feature1.high refractoriness2.good cold compressive strength3.excellent water-permeability4.acid resistance: 88%-90%5.high abrasion resistance6.environmental and no radiationSize100 × 50 × 30 mm        100 ×  100 × 40 mm       200 × 100 × 40 mm       200 × 200 × 40 mm100 × 50 × 40 mm        100 ×  100 × 60 mm       200 × 100 × 60 mm       200 × 200 × 60 mm100 × 50 × 50 mm        100 ×  100 × 80 mm       200 × 100 × 80 mm       200 × 200 × 80 mmColorWe  have all kinds of colors, like red, yellow, brown, gray, chestnut, maroon, khaka, black etc.