Fine Vibro Sand, 2mm uniform sized grains Delivered by land to Limay Port, Bataan, Philippines. For FOB, Full LC terms. Can supply 50,000 cbm per month
Construction aggregate, or simply "aggregate", is a broad category of coarse to medium grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material. Due to the relatively high hydraulic conductivity value as compared to most soils, aggregates are widely used in drainage applications such as foundation and French drains, septic drain fields, retaining wall drains, and roadside edge drains. Aggregates are also used as base material under foundations, roads, and railroads. In other words, aggregates are used as a stable foundation or road/rail base with predictable, uniform properties (e.g. to help prevent differential settling under the road or building), or as a low-cost extender that binds with more expensive cement or asphalt to form concrete.
450nm 15mW V3 D20mm Blue Laser Diode Module, High Power Blue Laser Diode for Lighting/ Pointer/ Leveler Product Description Quick Details Wavelength 450 nm Output power 15 mW Size 20 mmx38 mm Operation voltage 3 Volt Operation current 250 mA Spot size 15 mm MTTF 5000 hrs Operation case temperature 0°c~60°c Outline dimensions (Units: mm) 525020Features 1. APC (auto power control) driver circuit 2. Wide input voltage range (3~ 6VDC) 3. Stable Output power of
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