Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Sanyo Chemical SANSPARL RA-33 Foam Stabilizer Surfactant

Sanyo Chemical SANSPARL RA-33 is a high-performance foam stabilizer surfactant designed for rigid polyurethane foam systems. It enhances cell uniformity, improves cream-to-gel time balance, and boosts dimensional stability. Compatible with various polyols and isocyanates, RA-33 ensures consistent foam structure and reduced shrinkage. Widely used in insulation and automotive applications, it delivers reliable processing and superior thermal performance.
  • sanyo chemical sansparl ra 33 foam stabilizer surfactant_401dbeaf
  • sanyo chemical sansparl ra 33 foam stabilizer surfactant_401dbeaf

Features Of Sanyo Chemical SANSPARL RA-33 Foam Stabilizer Surfactant

  1. Highly effective foam stabilization in low-density flexible polyurethane foam formulations.

  2. Excellent compatibility with common polyol and isocyanate systems used in slabstock and molded foam production.

  3. Enables fine, uniform cell structure and improved foam dimensional stability during rising and curing stages.

  4. Low volatility and thermal stability support consistent processing performance across standard industrial operating temperatures.

  5. Non-ionic surfactant chemistry minimizes risk of catalytic interference or undesirable side reactions in PU systems.

Typical Applications Of Sanyo Chemical SANSPARL RA-33 Foam Stabilizer Surfactant

  1. Flexible polyurethane slabstock foam for bedding and upholstered furniture.

  2. Molded flexible PU foam used in automotive seating and interior components.

  3. High-resilience (HR) foam formulations requiring precise cell control and surface integrity.

  4. Low-emission foam systems targeting VOC-compliant manufacturing environments.

Specifications Of Sanyo Chemical SANSPARL RA-33 Foam Stabilizer Surfactant

Chemical TypeNon-ionic silicone-polyether copolymer
Product FormLiquid
AppearancePale yellow to light amber, clear to slightly hazy liquid
Primary ApplicationsFoam stabilizer for flexible polyurethane foams
Key FeaturesFoam stabilization, cell uniformity enhancement, processing reliability
BenefitsImproved foam rise profile, reduced collapse/scorch, enhanced surface finish
Storage ConditionsStore in original sealed container at 10–30°C; protect from freezing and prolonged exposure to UV light


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