6# formula of varnish

6# varnish is an indispensable auxiliary material in the use of offset printing ink. The 6# varnish produced by this formula is simple, cost-effective and excellent.

First, formula

Material Name Specification Weight (%)

Modified grass seed oil High degree of polymerization 50

Ordinary kerosene outsourcing 50

Second, the production process

According to the formula, the modified grass seed oil is added into the diluted tank with ordinary kerosene, and the mixture is evenly stirred, the viscosity is adjusted to be qualified, and then the filter is filtered with a 120 mesh or more copper wire screen and the product is packaged.

Third, quality indicators

1, acid value ≤ 3

2. Viscosity: 2 "~4"/25°C Grignard

3, color: ≤ 12 (iron-cobalt colorimeter)

IV. Precautions in the production process

1. Before starting operation, first check whether the production equipment is clean and whether it can operate normally.

2, the production workshop must be far away from the fire source, cool and ventilated.