Boone, Iowa: 18% RAP and Polymer Performance with BioMAG™

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
A paver and orange roller place a black asphalt mat beside fields at the BioCentury Research Farm.
The BioCentury Research Farm demonstration paired 18% RAP with a 6% BioMAG™ and 2% SBS formulation that delivered a broad continuous binder grade range and strong MSCR recovery.

St. Joseph: 25% RAP Holds the Modified Binder Grade

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
Three photographs show the paving crew, fresh asphalt, and paving train on West Cliff Street in St. Joseph.
A city-street demonstration in St. Joseph paired 25% RAP with BioMAG™ and retained the modified binder's continuous performance-grade range after recovery.

Indiana Soybean Alliance: The 40% RAP BioMAG™ Section

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
A paver, red haul truck, roller, and crew work in the Indiana Soybean Alliance parking lot.
One section of the Indiana Soybean Alliance parking-lot demonstration paired 40% RAP with BioMAG™ and supplemental SIP-1111™, reaching approximately PG 64H-28 and exceeding the project summary's cracking thresholds.

Indiana Soybean Association: A 40% RAP SIP-1111™ Demonstration

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
A roller and paving crew work beside the Indiana Soybean Alliance headquarters.
A 500-ton Indianapolis parking-lot trial compared 40% RAP with SIP-1111™ against a 25% RAP control, measuring recovered-binder, DCT, and Hamburg performance.

Mason City, Iowa: SIP-1111™ in a 45% RAP Mix Comparison

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
An asphalt plant operates at dusk with a red haul truck in front.
A Mason City demonstration reports higher CT Index and DCT fracture energy for its 45% RAP SIP-1111™ design than for the matched 45% RAP TuffTrek design.

City Asphalt, Staten Island: SIP-1111™ in a 45% RAP Field Study

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
City Asphalt drum plant silos and production equipment under a blue sky in Staten Island.
A Rutgers CAIT field study found that the 45% RAP SIP-1111™ mixture met both report-cited rutting and cracking thresholds.

University Park, Illinois: 600 Tons of SIP-1111™ High-Recycled-Content Asphalt

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
A paver, red haul truck, and crew place asphalt in a parking lot beside an office building.
A 600-ton SIP-1111™ production run combined 35-36% RAP and 5% RAS with PG 70-16 recovered-binder performance and results from two laboratories.

NCAT Test Track Section S1: A 50% RAP SIP-1111™ Field Section

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
Paving crew placing the dark 50 percent RAP surface layer on NCAT Test Track Section S1.
NCAT Section S1 combined 50% RAP with 4.1% SIP-1111™ and recorded no visible cracking with less than 3.5 mm rut depth after one year and about 4 million ESALs.

Emily, Minnesota: SIP-1111™ in the TH 6 Recycling-Agent Study

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
Rejuvenator tote connected by hose to a metering skid beside asphalt plant equipment in Emily, Minnesota.
The Emily TH 6 study compares SIP-1111™ as 6003 with seven recycling agents and 30% and 40% RAP controls across rheology, cracking, and field data.

Northeast Iowa Soy Roads: SIP-1111™ in Fayette, Clayton, and Volga

Saturday, 25 July 2026 / Published in Demo Projects, SIP-1111™, SIP-1111™ Rejuv
Composite showing a paver on Clayton County X28, recycling equipment on Fayette County C14, and the completed Washington Street surface in Volga.
Four northeast Iowa projects put SIP-1111™ to work across 24 miles of cold-in-place recycling, recycled hot mix, county roads, and a municipal main street.