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Notes for adhesive applications
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Storage period
Each product has a. storage period, according to the international standards and domestic standards, stored in the index case (often 24 DEG C. The acrylic resin class is 20 degrees centigrade.
B. for acrylate products, such as higher temperature, shorter storage period.
C. for water-based products, such as temperature below 1 degrees Celsius, directly affect the quality of products.
Strength
A. no monengjiao world, different adherends, the best selection of special adhesive.
B. on the adherend itself intensity is low, then do not have to use high strength products, otherwise it will increase the cost, put fine timber to petty use.
C. should not only pay attention to the initial high strength, but also should consider the good durability.
D. high temperature curing adhesive performance is far higher than room temperature curing, such as requiring high strength and good durability, it is necessary to use high temperature curing adhesive.
E. a (502 of cyanoacrylate glue glue) or a small area in addition to emergency repair and continuous production, the requirements of high bonding strength of materials should not be used.
Other
A. white latex and urea formaldehyde resin should not be used for bonding metals
B. transparent adhesive can be used polyurethane glue, optical epoxy, unsaturated polyester resin, polyvinyl acetal adhesive. |
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