QINGDAO SOCO NEW MATERIAL CO., LTD.
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MACRO SORB® Expanding Rubber Polymer Technical Profile
This advanced functional material (CAS 9003-04-7) combines elastic sealing properties with hydrophilic expansion capabilities, delivering dual water-stop effects for critical infrastructure including subways, tunnels, culverts, underwater constructions, and urban water supply systems.
Composed of a rubber matrix and hydrophilic components, the polymer absorbs water to expand multiple times its original volume, filling irregular surfaces and gaps under pressure to ensure effective sealing.
Product Specifications
Model: MACRO SORB® RUBSORB Polymer
Origin: Qingdao, China
Appearance: White granules (≥150 Mesh)
Performance: Water-keeping ratio ≥300%, moisture content <6%, pH 6-7 (1% aqueous solution), monomer content ≤500ppm
Certifications: ISO9001, SGS (non-toxic/no heavy metals), BV (degradable), REACH (low sulfate residue)
Core Advantages
Dual Functionality: Elastic sealing + water-absorbing expansion
High Expansion: Multiples volume increase to fill complex geometries
Pressure Resistance: Maintains sealing integrity under high-pressure conditions
Eco-Safety: Non-toxic composition with environmental safety certification
Versatility: Applicable across diverse infrastructure projects
Cost Efficiency: Reduces maintenance through durable leakage prevention
FAQ
Q1: Operational mechanism?
Expands upon moisture/heat exposure to fill gaps/cracks, forming flexible watertight seals after curing.
Q2: Expansion/curing duration?
Initial expansion: 10–30 minutes; Full curing: 24–48 hours (environment-dependent).
Q3: Environmental resistance?
Withstands water immersion, UV exposure, temperature fluctuations, and chemical corrosion.
Q4: Soundproofing capability?
Effective for vibration damping and acoustic insulation through gap-filling properties.