ASPHALT MIX

Laboratory Asphalt Mixers for Bituminous Mixture Preparation

Lithostek laboratory asphalt mixers combine controlled temperature, repeatable mixing action, and practical batch capacities to produce representative asphalt mixtures before Marshall, gyratory, wheel-tracking, slab, fatigue, and stiffness testing.

Representative Mixture Preparation

Preserving Aggregate Gradation

Unintended particle breakage during laboratory mixing can shift aggregate gradation, affecting packing, void structure, binder demand, and compactability. LS-MIX-A30 uses a vertical dual-motion path designed to reduce the risk of coarse aggregate becoming trapped and crushed at close-clearance interfaces, helping preserve the intended job-mix formula.

Read the mixer selection guide
Buyer Selection Criteria

Match the mixer to the specimen workflow

Select capacity from required specimen mass and batch frequency, then compare temperature control, mixing action, cleanability, maximum aggregate size, binder viscosity, and the intended compaction or performance test.

Standards & Project Configuration

Available configurations support the following published workflows. Confirm the applicable method edition, specimen format, hammer assembly, blow count, power supply, and requested documentation before ordering.

EN 12697-35

Frequently Asked Questions

A laboratory asphalt mixer prepares controlled batches of aggregate, binder, filler, and additives for mix design, quality control, and research. The mixed material is then compacted or formed for Marshall, gyratory, wheel-tracking, slab, fatigue, stiffness, and related asphalt tests.

A laboratory asphalt mixer produces smaller, controlled batches for specimen preparation and research. An asphalt mixing plant is production equipment for manufacturing paving material at industrial throughput; mixer trucks and theoretical maximum density meters serve different workflows again.

Unintended crushing can change the aggregate particle-size distribution from the intended job-mix formula. That gradation shift may alter packing, void structure, binder demand, compactability, and the representativeness of downstream laboratory specimens.

Choose capacity from the required specimen mass and batch frequency, then compare temperature control, mixing action, cleanability, aggregate size, binder viscosity, and the risk of material becoming trapped at close-clearance mixing interfaces.

Common workflows include Marshall stability, gyratory compaction, wheel tracking, slab compaction, indirect tensile strength, moisture susceptibility, fatigue, stiffness, and dynamic modulus testing.

EN 12697-35 addresses laboratory mixing of bituminous mixtures. Laboratories should confirm the applicable edition, project specification, target batch size, temperature procedure, and required mixer configuration before purchasing equipment.

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