SEO Title: Low Viscosity PVC Paste Resin PSM-31 for Vinyl Toy Molding
Meta Description: PSM-31 PVC paste resin with DP 1200-1400, low residual VCM and low-viscosity plastisol behavior for vinyl toy slush molding, coating and dipping processes.
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Low Viscosity PVC Paste Resin PSM-31 for Vinyl Toy Slush Molding
PSM-31 white ultrafine PVC paste resin powder
Product Summary
PSM-31 is a fine-grade PVC paste resin produced by micro-suspension polymerization. As a polyvinyl chloride homopolymer with a degree of polymerization of 1200-1400, it is a white ultrafine powder that converts readily into a low-viscosity plastisol with good storage stability. It is built for vinyl toy slush molding and rotational molding, and is equally suited to artificial leather, foaming wallpaper, floor leather, tarpaulin and dipping molded soft products such as gloves, footwear and seals. PSM-31 complies with the Q/SHG1-2019 enterprise standard and is supplied under ISO 9001 quality management.
Key Features
Low viscosity behavior: B-type viscosity of 1500-6500 mPa·s at 30°C lets formulators build low-viscosity pastes with good storage stability, reducing settling and re-mixing on the line.
Consistent polymerization: Micro-suspension polymerization with a controlled DP of 1200-1400 supports repeatable paste rheology for continuous, high-volume production.
Low residual VCM and volatiles: Residual VCM ≤5.0 mg/kg and volatile component ≤0.50%, supporting safer formulations for vinyl toys, medical consumables and food-contact packaging.
Broad processing fit: Good compatibility with plasticizers and additives enables slush molding, rotational molding, dipping, coating and foaming routes on the same grade.
Balanced cost-performance: One grade covers multiple soft-PVC applications, simplifying raw material sourcing for large-scale industrial runs.
Technical Specifications
Parameter
Value
Model
PSM-31
Production Process
Micro-suspension Polymerization
Chemical Type
Polyvinyl Chloride Homopolymer
Appearance
White ultrafine powder
Degree of Polymerization
1200-1400
Volatile Component
≤0.50 %
Residual VCM
≤5.0 mg/kg
Sieve Residue
≤10.0 mg/kg
Bulk Density
0.2-0.45 g/cm³
B-type Viscosity (30°C)
1500-6500 mPa·s
CAS No.
9002-86-2
EINECS No.
208-750-2
Packaging
20 kg / bag
Enterprise Standard
Q/SHG1-2019
Models and Options
This series is offered as the PSM-31 grade, a fine-grade paste resin powder supplied at 20 kg per bag. The grade is designed around a single DP window of 1200-1400 and a B-type viscosity range of 1500-6500 mPa·s at 30°C, so buyers can select a consistent paste resin without switching between multiple product codes.
Materials and Structure
PSM-31 is a polyvinyl chloride homopolymer (CAS 9002-86-2, EINECS 208-750-2) manufactured through micro-suspension polymerization. The result is a white ultrafine powder with a bulk density of 0.2-0.45 g/cm³ and a sieve residue of ≤10.0 mg/kg. This particle structure is what allows the powder to disperse into plasticizer and form a stable, low-viscosity plastisol for downstream processing.
The grade serves as a main PVC raw material, additive and coalescing agent across PVC toys, PVC leather, tarpaulin, conveyor belts, coatings and paints, printing inks and textile pastes, flooring and wallpaper, apparel and footwear materials, and selected medical consumables and food-contact packaging applications. It is processed under heating with continuous production and is matched with rotomolding machines for vinyl toys, dripping machines, glue dispensers and PVC coating machines.
Customization
PSM-31 can be supported by laboratory-grade technical service. Free testing is available for high-risk substances such as phthalates, heavy metals, bisphenol A and organotin, and the supplier assists with formula optimization and product upgrading so that the paste resin meets the environmental control requirements of the target market.
Case Study
A PVC vinyl toy manufacturer in Vietnam runs 300 vinyl machines and produces with PSM-31. The reported outcome is stable molding for consistent toy quality and high efficiency for mass toy production, with a 2-year shelf life under cool and dry storage, and close ongoing cooperation for stable production.
FAQ
Q1: What is the viscosity range of PSM-31?
The B-type viscosity is 1500-6500 mPa·s at 30°C, which supports low-viscosity plastisol formulation with good storage stability.
Q2: What is the degree of polymerization?
PSM-31 has a degree of polymerization of 1200-1400 and is a polyvinyl chloride homopolymer.
Q3: Is PSM-31 suitable for vinyl toy production?
Yes. It is used in PVC slush molding and rotational molding for toys, with residual VCM at ≤5.0 mg/kg and volatile component at ≤0.50%.
Q4: What processing methods does it fit?
It is compatible with slush molding, rotational molding, dipping molding, coating and foaming processes, and works with rotomolding machines, dripping machines, glue dispensers and PVC coating machines.
Q5: How is the product packaged?
PSM-31 is supplied at 20 kg per bag as a white ultrafine powder.
Q6: What is the shelf life and storage condition?
A 2-year shelf life is reported under cool and dry storage, based on the vinyl toy manufacturer case.
Q7: Which standards and certifications apply?
The grade complies with the Q/SHG1-2019 enterprise standard. The supplier holds ISO 9001 certification (GB/T19001-2016/ISO9001:2015), certificate number U23Q2GZ8027959R0S, issued by Guardian Independent Certification Ltd, valid from 2023-08-22 to 2026-08-22, covering Vietnam, Indonesia and other Southeast Asian markets.
Q8: Is testing support available?
Yes. Free testing is offered for phthalates, heavy metals, bisphenol A and organotin, alongside formula optimization and product upgrading technical support.
Inquiry Information
For samples, technical data or quotation of PSM-31 PVC paste resin, contact us:
