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The coated sand produced by this type of resin has the advantages of high cold strength and low gas generation. It can effectively reduce the total amount of harmful gases produced in the molding and casting process of coated sand, reduce the probability of defects such as sand core cracking, sand sticking and porosity of castings, and improve the surface smoothness of castings.
technical parameter
|
model |
softening point (℃) |
Curing time(s/150℃) |
Flow Distance(mm/125℃) |
free phenol（%） |
Product features |
|
P2903 |
83-88 |
70-90 |
120-150 |
≤1 |
high-intensity、Good fluidity |
|
P2903K |
84-89 |
50-65 |
90-120 |
≤1 |
high-intensity、Fast curing |
|
P2903G |
88-93 |
70-90 |
100-130 |
≤1 |
high-intensity、Anticaking |
|
P2904 |
81-86 |
70-90 |
125-155 |
≤1 |
super strength |
|
P2904K |
92-96 |
60-80 |
85-115 |
≤1 |
high-intensity、High softening point |
matters need attention
■ This product is prone to moisture and caking, and should be stored in a dry, cool and ventilated place to avoid direct sunlight.
■ As the storage time increases, the color of the resin will become darker, but other indexes of the resin will not be affected.
Packaging and storage
■ This product is packed in woven bags with inner bags or tons of bags with inner bags. The net packing weight is 40kg/ bag, 250kg/ bag and 500kg/ bag.
■ It should be stored in a dry, cool and ventilated place, and it is easy to get wet after unpacking and packaging is damaged, so it should be used immediately.
■ It can be stored for 3 months at 125°C and below.
