Overview
ZC-189TP is a pre-thixotropic unsaturated polyester resin built from phthalic anhydride, maleic anhydride, and standard glycol, part of the Polylite product line in our resin range. It has low viscosity and medium reactivity, offers good strength and rigidity with fast post-curing, wets glass fiber easily, and does not flow easily during operation, and is supplied with supply chain resource support for formulators sourcing a thixotropic unsaturated polyester resin for hand lay-up FRP production.
Specification
| Appearance | Pink liquid |
| Acid Value | 17-24 mgKOH/g (GB/T 2895-2008) |
| Viscosity, 25℃ | 0.3-0.4 Pa.s (GB/T 7193-2008) |
| Solid Content | 58-64% (GB/T 7193-2008) |
| Thermal Stability, 80℃ | ≥24 h (GB/T 7193-2008) |
| Gel Time | 25-43 min (GB/T 7193-2008) |
Applications of ZC-189TP in Hand Lay-Up FRP Production
This resin meets the certification requirements of China Classification Society (CCS), making it a candidate for hand lay-up processes producing ordinary FRP products such as small FRP boats for inland rivers and automobile parts. Its thixotropic behavior helps it stay in place on vertical and overhead surfaces during lamination, reducing drips and runs during manual wet-out.
Why the Pre-Thixotropic Formulation Matters
Because this resin is built from phthalic anhydride, maleic anhydride, and standard glycol with a pre-thixotropic formulation, it is designed to resist flowing during hand lay-up while still wetting glass fiber easily and curing quickly once applied. The acid value range of 17-24 mgKOH/g and solid content of 58-64% give formulators reference points for evaluating batch-to-batch consistency before scaling a lamination run.
Why Sourcing Consistency Matters for Buyers
Because viscosity, gel time, and thermal stability directly affect processability and finished-part quality, buyers should confirm current specifications for this resin against the latest technical data sheet before scheduling a production run. A supplier that consistently delivers this resin within its stated viscosity and gel time range reduces the need to re-qualify a hand lay-up recipe with every new batch.
This is particularly relevant for boat builders and automotive parts manufacturers seeking CCS-aligned materials, where gel time and thixotropic behavior are directly tied to lamination quality on vertical or curved surfaces. Buyers should confirm current batch documentation against the latest technical data sheet before finalizing a production schedule.
What to Consider When Sourcing ZC-189TP
Buyers evaluating ZC-189TP for the first time should confirm that its gel time (25-43 min) and thermal stability (≥24 h at 80℃) match their lamination line’s cycle time and process temperature requirements, and should review the CCS certification documentation relevant to their application. Requesting the current certificate of analysis alongside the technical data sheet is a practical way to confirm that a given batch matches the specifications listed above.
Packaging, storage temperature requirements, and shelf life should also be confirmed directly with the supplier, since these factors affect how this resin performs once it reaches a production facility. Buyers sourcing this resin for time-sensitive production schedules should discuss lead time and logistics requirements before finalizing an order.
General Handling and Storage Guidance
As with other unsaturated polyester resins, this product should be stored in accordance with the supplier’s technical data sheet, typically in a cool, well-ventilated area away from direct sunlight and sources of heat or ignition, since elevated storage temperatures can affect the resin’s viscosity and gel characteristics over time. Personnel handling this material should follow the handling procedures specified in the safety data sheet.
Buyers should request and review the current safety data sheet for this resin prior to receipt, and confirm that on-site storage conditions are compatible with the supplier’s recommended shelf life and temperature range. Proper inventory rotation helps maintain the viscosity and mechanical performance described above.
Where to Source This Product
Thousands Chemicals supplies ZC-189TP and related resin products through our digital B2B marketplace, with supply chain resource support for formulators sourcing thixotropic unsaturated polyester resins for boat building, automotive parts, and general FRP manufacturing. Material testing methods referenced for this resin, including acid value, viscosity, solid content, and thermal stability, are benchmarked against recognized international testing practices published by ASTM International. Our team can help confirm packaging, lead times, and technical documentation for your target application and order volume.
Documentation We Can Provide
For qualified buyers, we can provide the safety data sheet and technical data sheet for the specific batch of this resin being quoted. Specifications listed on this page reflect the manufacturer’s published values; buyers should confirm current documentation before finalizing a purchase order.
FAQ
What is ZC-189TP used for?
It is a pre-thixotropic unsaturated polyester resin used in hand lay-up processes for ordinary FRP products, including small FRP boats for inland rivers and automobile parts, and it meets CCS certification requirements.
What is the viscosity of ZC-189TP?
ZC-189TP has a viscosity of 0.3-0.4 Pa.s at 25℃ (GB/T 7193-2008).
What is the gel time of ZC-189TP?
ZC-189TP has a gel time of 25-43 minutes (GB/T 7193-2008).
Can you provide technical documentation and bulk pricing for ZC-189TP?
Yes, technical data sheets and SDS documentation are available on request, and our team can provide bulk pricing and lead times based on your target volume and delivery location.
Get a Quote for ZC-189TP
Contact our team for pricing, documentation, and lead time on ZC-189TP. Our sourcing specialists can help confirm whether this pre-thixotropic unsaturated polyester resin matches your process requirements before you place an order.
