Silver Python machinery have Main products : plastic hollow blow molding machine for PP PE material from 50ML to 120L of hollow plastic products, such as shampoo bottles, bottles, kettles,drums, chemical barrels and other purposes.

Silver Python Machinery has a richful experience and valuable reference. We will give different guidance according to the customer’s situation. For example, some customers are the first contact with plastic hollow blow molding machine, want to establish their own production HDPE drum, and then sell HDPE drum, but he did not know the raw material formula. According to our experience, we give customers a recipe reference helping customer quick to use plastic blow molding machine to produce good quality hdpe drum. To help customers better into the manufacturing process. With the increase in production experience, customers can study and improve the formula.

The selection range of raw materials in blow molding of HDPE drum is: density 0.945-0.965g / cm3, MFR is 0.2-0.4g / 10min.

HDPE has the following recipes for reference.
(1) for the packaging of detergents, bleaching powder and other powder products of more than 5L containers, gasoline, lubricants and other flammable or transport of explosive containers, should be used with anti-static agent or conductive carbon black HDPE.
formula:
100 parts of HDPE
Chezacarb EC 10 parts of carbon black
Ciba B900 antioxidant 0.5 part
0.5 part of zinc stearate
100 parts of HDPE
Atmer 129 Antistatic agent 0.3 part
Ciba B900 antioxidant 0.5 part

(2) In order to improve the service life of outdoor packaging containers, you can add hindered amine light stabilizer, antioxidant, polyethylene cans can be colored blue, gray, black.
formula:
100 parts of HDPE
Ciba 944 light stabilizer 0.3 part
Ciba B900 antioxidant 0.5 part
Blue or black masterbatch 1-4 parts

(3) in the HDPE by adding EVA, can improve the low temperature performance of polyethylene.
formula:
100 parts of HDPE
EVA (VA% 15%) 10 parts
LDPE 5-10 parts

(4) If the end use of polyethylene barrels for food and medicine, should be selected non-toxic, will not make food taste of additives.