China Phenolic Resin for Casting Coated Sand Manufacturer and Supplier

Phenolic Resin for Casting Coated Sand

This series of product is a condensation polymer formed by the reaction of phenol and formaldehyde, are mainly used in the casting industry to prepare coated sand. According to the characteristics, this series of product can be divided into anti-husking & fast-polymerizing coated sand resin, steel-casting coated sand resin, intermediate strength coated sand resin, high strength coated sand resin.

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Grade No.	Appearance	Softening point /℃	Convergence rate /s	Pellet flow /mm (125℃)	Free phenol /%	Characteristic
DR-103	Uniform faint yellow particles	90 -93	28 - 35	≥70	≤3.5	Good polymerization rate / model & core
DR-106C	Uniform faint yellow particles	95 -98	20 -27	≥45	≤3.0	Good polymerization rate Anti-husking
DR-1387	Uniform faint yellow particles	85 -89	80 - 120	≥120	≤1.0	High strength
DR-1387S	Uniform faint yellow particles	87 -89	60 -85	≥120	≤1.0	High strength
DR-1388	Uniform faint yellow particles	90 -94	80 - 1 10	≥90	≤0.5	Intermediate strength Environment-friendly
DR-1391	Uniform saffron yellow particles	93 -97	50 -70	≥90	≤1.0	Cast steel
DR-1391Y	Uniform faint yellow particles	94 -97	90 - 120	≥90	≤1.0	Cast steel Environment-friendly
DR-1393	Uniform faint yellow particles	83 -86	60 -85	≥120	≤2.0	Ultra-high strength
DR-1396	Uniform saffron yellow particles	90 -94	28 - 35	≥60	≤3.0	Good polymerization rate Intermediate strength

Packaging:

Paper plastic composite bag packaging and lined with plastic bags, 40kg/bag, 250kg, 500kg/ton bags.

Storage:

The product should be stored in a dry, cool, ventilated, and rainproof warehouse, away from heat sources. The storage temperature is below 25 ℃ and the relative humidity is below 60%. The storage period is 12 months, and the product can continue to be used after being retested and qualified upon expiration.