SWANCOR 978 vinyl ester resin for SMC/BMC

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SWANCOR 978 is a tackifiable vinyl ester resin for SMC (Sheet Molding Compound), BMC (Bulk Molding Compound) and HSMC (High Strength Molding Compound). It has excellent chemical resistance and mechanical properties. It has been widely used in sports equipment, automotive parts and corrosion resistant molding materials.

norm

exterior condition	Brownish yellow liquid
solid	59.5±1.5%
Viscosity*1	1950±250cps
acid value	20±5mgKOH/g
SPI Gelation Time*2	32±8 minutes
Exothermic temperature*	≥130°C
water content	<0.02%
retention period	4 months (below 25 °C)

*1 LVT#4-60rpm, 25°C
*2 98%BPO: 1.0%, 82°C

Casting body performance (4mm pure resin casting plate)*3

tensile strength	61-82 MPa	iso 527-2 / gb/t 2567
tensile modulus	3.1-3.5 GPa	iso 527-2 / gb/t 2567
Elongation at break	2-4%	iso 527-2 / gb/t 2567
bending strength	108-130 MPa	iso 178 / gb/t 2567
bending modulus	3.0-3.7 GPa	iso 178 / gb/t 2567
heat distortion temperature	100-105°C	iso 75 / gb/t 1634
Volume shrinkage	8-9%	ISO 3521
Barcol hardness	30-40	GB/T 3854

*3 Post-hardening conditions: After the specimens were molded at room temperature for 24h, they were post-hardened at 105°C for 2 hours.

Packaging, Storage and Handling

SWANCOR 978 comes in 55 gallon iron drums weighing 200kg each or in 5 gallon iron drums weighing 20kg each.

Store in a cool place and keep out of direct sunlight.

Flammable liquids, keep away from sources of ignition.

We offer our products for sale in mainland China (in compliance withRegulations on the Administration of Internet Sales of Hazardous Chemicals ) and some of the products of the global export services, providing dangerous goods packaging containers, "outbound dangerous goods transportation packaging use identification results list", "outbound cargo inspection and quarantine" and other export procedures.
We have rich experience in exporting hazardous chemicals, covering Class 5.2 (including products for cold chain transportation), Class 3 and Class 9 dangerous goods. Our services have been extended to more than 40 countries worldwide, including the Middle East, Central Asia and Eastern Europe.

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