{
  "location": {
    "slug": "long-beach",
    "name": "Long Beach",
    "zip": "90802",
    "lat": "33.7701",
    "lng": "-118.1937",
    "geology": "Damp coastal marine concrete, heavy port container terminal slabs, and salt-exposed rebar structures. Laser-welded rust-resistant steel cores recommended.",
    "airQuality": "SCAQMD Rule 1186 coastal air quality compliance and OSHA Table 1 silica safety mandatory.",
    "logistics": "Direct jobsite LTL dispatch via I-710 and I-405 shipping corridors with same-day local options.",
    "focus": "Port container yard rehabilitation, maritime pier concrete work, and urban high-rise utility trenching."
  },
  "product": {
    "slug": "asphalt-cutting-blades",
    "title": "Asphalt & Green Concrete Diamond Blades | QDB",
    "metaDescription": "Best blade for cutting asphalt — professional diamond asphalt cutting blades with carbide undercut protection. Durable, heat-resistant asphalt diamond blades for walk-behind saws. Factory-direct pricing.",
    "keywords": "asphalt cutting blades, asphalt cutting blade, best blade for cutting asphalt, asphalt diamond blades, asphalt diamond blade, diamond blade for cutting asphalt, durable asphalt cutting blade, high quality asphalt cutting blade, best blade to cut asphalt, heat resistant asphalt cutting blade, asphalt cutting blade for walk-behind saw, asphalt blade, green concrete blade, road saw blade",
    "h1": "Asphalt Cutting Blades",
    "heroSubtitle": "Silo 5: Road Paving & Green Concrete",
    "directAnswer": "Asphalt eats blades. The sand and aggregate in hot-mix pavement is brutally abrasive — it wears down the steel core right below the diamond segments and the segments just pop off. We solved that with carbide undercut protection pins that shield the weld joint from slurry erosion. These blades run on walk-behind flat saws and handheld cut-off equipment for highway paving, parking lot cuts, and early-entry green concrete joints. Hard-bonded diamond segments resist the rapid wear that soft, sandy materials cause. If you're cutting asphalt or green concrete without undercut protection, you're burning money.",
    "applications": [
      "Hot-mix asphalt paving, highways, parking lots, and driveway beds",
      "Green concrete (freshly poured concrete within 4 to 24 hours of curing)",
      "High-abrasion sand slurry environments (soft, abrasive cutting zones)",
      "Early-entry concrete contraction joint cutting to prevent stress cracks",
      "Undercut protection required to prevent segment loss from abrasive slurry"
    ],
    "section2H2": "Undercut Protection & Core Engineering",
    "section2Text1": "Asphalt is composed of soft, highly abrasive aggregates bound by bitumen. Slicing asphalt generates a massive volume of abrasive sand slurry. While our <a href=\"/concrete-cutting-blades/\" style=\"color: var(--accent); text-decoration: underline; font-weight: 500;\">concrete cutting blades</a> handle cured slabs, asphalt requires specific protection. This slurry flows along the cut pathway and erodes the steel core directly below the diamond segments, leading to premature segment loss (undercutting). To prevent this failure, our asphalt blades feature carbide-embedded undercut protection segments or deep drop segments that sweep the slurry out of the cut, preserving the steel core bond.",
    "section2Text2": "Because green concrete (concrete that has set but not fully cured) is highly abrasive, these blades are also the industry standard for making early-entry expansion relief cuts. They prevent aggregate raveling and core warping under continuous dry or wet operation.",
    "dimensions": [
      {
        "diameter": "12\" (300mm)",
        "height": "10mm / 12mm",
        "thickness": ".125\" (3.25mm)",
        "arbor": "1\" Arbor (with 20mm bushing)",
        "pin": "-"
      },
      {
        "diameter": "14\" (350mm)",
        "height": "12mm / 15mm",
        "thickness": ".125\" (3.25mm)",
        "arbor": "1\" Arbor (with drive pin)",
        "pin": "Dual pin-hole setup"
      },
      {
        "diameter": "16\" (400mm)",
        "height": "12mm / 15mm",
        "thickness": ".140\" (3.5mm)",
        "arbor": "1\" Arbor (with drive pin)",
        "pin": "Dual pin-hole setup"
      },
      {
        "diameter": "18\" (450mm)",
        "height": "12mm / 15mm",
        "thickness": ".140\" (3.5mm)",
        "arbor": "1\" Arbor (with drive pin)",
        "pin": "Dual pin-hole setup"
      },
      {
        "diameter": "24\" (600mm)",
        "height": "15mm",
        "thickness": ".165\" (4.2mm)",
        "arbor": "1\" Arbor (with drive pin)",
        "pin": "Dual pin-hole setup"
      }
    ],
    "section3Text1": "High summer temperatures exceeding 100°F (38°C) in Santa Clarita cause asphalt road beds to soften, increasing aggregate adhesion and abrasiveness. Paving contractors working along Interstate 5 or local municipal expansions in Valencia require hard-bonded blades that resist loading and maintain straight tracking under intense thermal expansion conditions.",
    "section3Text2": "Quality Diamond Blades serves Antelope Valley infrastructure contractors (Palmdale/Lancaster) and local municipal agencies with heavy road saws. Slicing relief joints near College of the Canyons or trenching roads near Six Flags is simplified by our immediate local pickup and fast dispatch.",
    "faqs": [
      {
        "q": "What causes diamond segment undercutting on asphalt blades?",
        "a": "Undercutting is caused by abrasive sand and rock slurry grinding against the steel core at the segment attachment point. Our integrated carbide drop-segments sweep this slurry out to protect the weld joint."
      },
      {
        "q": "Can you use an asphalt blade to cut cured concrete?",
        "a": "No, using an asphalt blade (which has an extra-hard metal bond) on hard cured concrete will cause the blade to glaze over, overheat, and stop cutting because the concrete aggregate is not abrasive enough to wear down the hard segment matrix."
      },
      {
        "q": "What is green concrete and why does it require an asphalt blade?",
        "a": "Green concrete is concrete that has set but not fully cured (typically within 4 to 24 hours of pouring). It is highly abrasive because the sand grains have not bonded fully to the cement matrix. It requires a hard-bonded blade with undercut protection to resist premature wear."
      },
      {
        "q": "What is the difference between hot pressed and laser welded asphalt blades?",
        "a": "Hot pressed asphalt cutting blades use heat and pressure to sinter the diamond segments directly to the steel core, creating a strong mechanical bond suited for continuous wet cutting on walk-behind saws. Laser welded blades fuse segments with a precision laser beam, creating a heat-resistant joint that allows both wet and dry operation — ideal for handheld cut-off saws and field work in hot conditions."
      },
      {
        "q": "What is the best asphalt blade for highway repair and road construction?",
        "a": "For highway repair and municipal road construction, use a 14-inch or larger asphalt cutting blade with carbide undercut protection and hard-bonded diamond segments. Walk-behind flat saws with water attachments provide the cleanest relief cuts for highway expansion joints, bridge deck overlays, and airport runway maintenance."
      }
    ]
  }
}