Sundow Polymers
China
CPVC resins and compounds for hot & cold water, industrial, and fire protection piping.
Sundow Polymers Co., Ltd. is a specialized producer of CPVC resin and CPVC compounds, widely used in hot and cold water piping systems, industrial pipelines, and fire sprinkler systems. Their materials are known for high temperature resistance, durability, and chemical stability.
Under the SURPLA and WELLREN brands, Sundow supplies CPVC and CPE products in 25 kg bags designed for efficient handling in plumbing, fire-safety, and industrial applications.
CPVC (Chlorinated Polyvinyl Chloride)
CPVC is produced by chlorinating PVC resin, significantly improving temperature resistance and chemical stability compared to standard PVC.
Key features
- High temperature resistance (around 90–95°C)
- Excellent chemical and corrosion resistance
- Strong mechanical strength
- Good flame-retardant properties
- Long service life in demanding environments
Typical applications
- Hot and cold water pipes
- Industrial chemical pipelines
- Fire sprinkler systems
- Building plumbing systems
- Industrial fluid handling networks
CPVC Compounds
CPVC compounds are ready-to-process formulations created by blending CPVC resin with stabilizers, lubricants, pigments, and processing aids to improve performance and consistency.
Benefits
- Ready for extrusion or injection molding
- Consistent processing performance
- High heat and pressure resistance
- Excellent durability and dimensional stability
- Optimized for pipe and fitting manufacture
End use segments
- CPVC pipes
- Pipe fittings and valves
- Plumbing and industrial piping components
CPE (Chlorinated Polyethylene) Impact Modifiers
CPE is produced by chlorinating HDPE, enhancing impact strength, flexibility, and resistance to chemicals and weather, especially when blended with PVC.
Benefits in PVC compounds
- Increased impact strength
- Improved low-temperature performance
- Enhanced weather and UV resistance
- Extended product life in outdoor use
Key applications
- PVC pipes and fittings
- Window and door profiles
- PVC sheets and panels
- Wire and cable jackets
- Rubber and plastic compounding