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Unsaturated Polyester Resin ZC-2897 Orthophthalic Resin

Structures:Orthophthalic Resin
Processes:Casting Resin
Application:It is soluble in crosslinking monomers such as styrene and has high viscosity and moderate reactivity.

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Product Details

Chemical/Physical Nature

ZC-2897 Resin is an unsaturated polyester resin with phthalic anhydride, maleic anhydride, and standard diols as the main raw materials. It is soluble in crosslinking monomers such as styrene and has high viscosity and moderate reactivity.

Benefits and Application

ZC-2897 resin has a light color, moderate temperature peak, fast curing, and excellent strength, hardness, and toughness after curing. Suitable for medium temperature curing high-performance quartz stone.

Liquid Resin Typical Properties

Property Value Unit TM
Appearance Yellow transparent viscous liquid
Acid Value 15-22 mgKOH/g GB/T 2895-2008
Viscosity,25℃ 0.8-1.3 Pa.s GB/T 7193-2008
Solid Content 65-74 % GB/T 7193-2008
Thermal Stability,80℃ ≥24 h GB/T 7193-2008
Gel time,25℃ 8.5-10 min GB/T 7193-2008

Unfilled Castings Typical Properties

Property Value Unit TM
Appearance Casting body has no defects
Barcol Hardness 40 GB/T 3854-2005
HDT 55 GB/T 1634-2004
Break Elongation 3.5 Mpa GB/T 2567-2008
Tensile Strength 65 Mpa GB/T 2567-2008
Tensile Modulus 3200 Mpa GB/T 2567-2008
Flexural Strength 110 Mpa GB/T 2567-2008
Flexural Modulus 9 Mpa GB/T 2567-2008

Application Guidelines

1. ZC-2897 resin does not contain wax, accelerators, or thixotropic additives.
2. ZC-2897 resin is suitable for medium temperature curing. Medium temperature curing is more conducive to production control and product performance assurance. Recommended medium temperature curing system: tert butyl peroxyoctanoate TBPO (content ≥ 97%), 1% resin content; Curing temperature: 80 ± 5 ° C for at least 2.5 hours. Recommended coupling agent: gamma methacryloyloxypropyltrimethoxysilane KH-570, 2% resin content.
3. ZC-2897 resin is a high-performance ortho phenylene quartz resin.
4. During the production process of the product, after heating and curing, it should be steadily cooled to room temperature to avoid rapid cooling and prevent product deformation or cracking, especially in winter. The cutting and polishing of quartz stone during the production process should be carried out after sufficient solidification.
5. Moisture absorption of fillers should be avoided, as excessive moisture content can affect the curing of the product and lead to a decrease in performance.

Package

Net weight is 220 kg, metal barrel.Please contact us for special packaging requirements.

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