Product properties
WL-4002 is a pre-promoted universal unsaturated polyester resin. The resin has the advantages of low viscosity, good infiltration of the glass fiber; low contraction, high toughness, and strong strength.
Main application
The main molding process of WL-4002 resin is vacuum import, which is widely used in automotive components, cooling towers and other fields.
Product specification
performance | scope | unit | standard test |
Exterior | Red and transparent | - | GB/T8237-2005 |
Viscosity 25 ℃ | 140-200 | mpa.s | GB/T7193-2008 |
Acid value | 16-24 | mgkoh/g | GB/T2895-2008 |
Solid content | 57-63 | ％ | GB/T7193-2008 |
Gel time 25 ℃ | 10-30 | minutes | GB/T7193-2008 |
Note: 25 ℃ Gel Time: 100g resin plus 1.5g Wanglin curing agent.
Liquid resin performance (typical value)
performance | Value | unit | standard test |
Storage period (not caused, dark parts) | 3 | 月 | - |
Resin pouring performance (typical value)
performance | Value | unit | standard test |
Tensile Strength | 55 | MPA | GB/T2567-2008 |
Stretching elastic modulus | 3000 | MPA | GB/T2567-2008 |
Fracture extension | 2.5 | % | GB/T2567-2008 |
Bending strength | 90 | MPA | GB/T2567-2008 |
Bending elastic modulus | 3000 | MPA | GB/T2567-2008 |
Impact strength | 7 | Kj/m2 | GB/T2567-2008 |
Heat distortion temperature | 78 | ℃ | GB/T1634-2004 |
CIThization conditions: room temperature to curing for 24 hours, 40 ° C, 60 ° C, 80 ° C after curing
2 hours
Test conditions: temperature 23 ± 2 ℃, relative humidity 50 ± 6 %
Instructions and precautions
1. WL-4002 resin contains a promoter, and the curing agent can be used for MEKP, which should ensure that the curing agent should be within the validity period. Usually, the MekP/CO curing system is not less than 15 ° C. When the temperature is low, the promoter can be added appropriately to adjust the reaction.
2. When using, you must pay attention to controlling the water content of glass fiber, filler, pigment paste and other materials, and pay attention to the compatibility of pigment paste and unsaturated polyester resin.
Storage conditions
1. The resin should be stored in a dry room below 25 ° C before using the resin before using the original packaging (avoid damage to the barrel and barrel).
2. The increase in temperature and light irradiation will significantly reduce the storage period. Direct sunlight and stay away from the thermal source should be avoided during storage.
3.. The unsaturated polyester resin liquid containing the styrene is flammable, and it should be far away from the bright fire when storing. Pay attention to the security data table.
All kinds of data are derived from our in -depth research and extensive practice, so it is completely credible. However, due to the multiple factors of product production, we are not responsible for the actual performance, effects and impacts caused by the above data and the specific application and processing of the products and the processing of the product, and the direct and indirect losses caused by it. Before selecting the above products, please check the product quality, performance indicators, security and other data and confirm it by themselves. At the same time, users should also pay attention to avoid violations of various relevant bills, registered trademarks and patent rights. We are not responsible for this.
