Overview
ZC-680 is a phthalic unsaturated polyester resin built from phthalic anhydride, maleic anhydride, and standard diols, dissolved in crosslinked monomers such as styrene, part of the Polylite product line in our resin range. It is characterized by low viscosity, a moderate temperature peak, high strength, and good toughness, and is supplied with supply chain resource support for formulators sourcing a phthalic unsaturated polyester resin for normal- and medium-temperature solid surface applications.
Specification
| Appearance | Yellowish transparent viscous liquid |
| Acid Value | 15-21 mgKOH/g (GB/T 2895-2008) |
| Viscosity, 25℃ | 0.65-0.75 Pa.s (GB/T 7193-2008) |
| Solid Content | 63-69% (GB/T 7193-2008) |
| Thermal Stability, 80℃ | ≥24 h (GB/T 7193-2008) |
| Gel Time | 4.5-9.5 min (GB/T 7193-2008) |
Applications of ZC-680 in Engineered Stone Manufacturing
This resin is formulated for normal- and medium-temperature solid surface production, making it a candidate for artificial stone and engineered quartz manufacturers producing countertops, wall panels, and other solid surface products for construction and home renovation projects. Its medium reactivity and defined gel time window give formulators a predictable processing profile for casting operations.
Why the Phthalic Unsaturated Polyester Chemistry Matters
Because this resin is built from phthalic anhydride, maleic anhydride, and standard diols rather than isophthalic or orthophthalic-only backbones, it is formulated to combine low viscosity with high strength and good toughness once cured. The acid value range of 15-21 mgKOH/g and solid content of 63-69% give formulators reference points for evaluating batch-to-batch consistency before scaling a casting 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 casting recipe with every new batch.
This is particularly relevant for engineered stone manufacturers, where gel time and thermal stability are directly tied to production throughput and surface quality. Buyers should confirm current batch documentation against the latest technical data sheet before finalizing a production schedule.
What to Consider When Sourcing ZC-680
Buyers evaluating ZC-680 for the first time should confirm that its gel time (4.5-9.5 min) and thermal stability (≥24 h at 80℃) match their casting line’s cycle time and process temperature requirements. 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-680 and related resin products through our digital B2B marketplace, with supply chain resource support for formulators sourcing unsaturated polyester resins for engineered stone and solid surface 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-680 used for?
It is a phthalic unsaturated polyester resin used in normal- and medium-temperature solid surface applications, including artificial stone and engineered quartz production for construction and home renovation.
What is the viscosity of ZC-680?
ZC-680 has a viscosity of 0.65-0.75 Pa.s at 25℃ (GB/T 7193-2008).
What is the gel time of ZC-680?
ZC-680 has a gel time of 4.5-9.5 minutes (GB/T 7193-2008).
Can you provide technical documentation and bulk pricing for ZC-680?
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-680
Contact our team for pricing, documentation, and lead time on ZC-680. Our sourcing specialists can help confirm whether this phthalic unsaturated polyester resin matches your process requirements before you place an order.
