These include: GB1302-1977, 3020, 3021 phenolic laminated paperboard (disappeared on December 1, 1977), GB1303-1977, 3240 epoxy phenolic laminated glass cloth board (dead on December 1, 1977), GB1403- 1986, phenolic molding compound name (disappeared on October 1, 1987), GB1404-1995, phenolic molding compound (currently issued by the State Bureau of Technical Supervision on June 1, 1996), GB/T14732-2006, urea-formaldehyde and phenolic for wood industry adhesives , melamine formaldehyde resin (National Quality Supervision, Inspection and Quarantine, current October 15, 2006 (GB18541-2001, Occupational Exposure Limits for Phenolic Resin Dust in Workshop Air (National Quality Supervision, Inspection and Quarantine Bureau, voided on May 1, 2002), GB/T5009.69-2003, Analytical method for hygienic standard of epoxy phenolic resin coating on inner wall of food cans (Chinese Ministry of Health, China National Standard, invalidated on January 1, 2004), GB5129.1-1985, phenolic laminated cardboard (1986) February 1st void), GB 5129.3-1985, phenolic laminated board (disappeared on February 1, 1986), GB 5129.4-1985, phenolic laminated glass cloth board (disappeared on February 1, 1986), GB5131. 1-1985 phenolic laminated paper tube (disappeared on February 1, 1986), GB/T5473-1985.
According to the experts, the standards for testing include: the determination of free ammonia in phenolic molded products (China Petroleum and Chemical Industry Bureau, current July 1, 1986), GB/T5474-1985 phenolic molded products free ammonia and Determination of ammonium compounds - colorimetric method (National Bureau of Standards, July 1, 1986), GB/T7130-1986, Determination of free phenol in phenolic molded products - Iodometric method (National Bureau of Standards, October 1, 1987) Japanese current), HG2-231-1965, rosin modified phenolic resin (disappeared on July 1, 1992), HG/T2501-1993, determination of pH value of phenolic resin (currently July 1, 1994), HG/T2621 -1994, Determination of residual phenol content in phenolic resin by gas chromatography (currently January 1, 1995), HG/T2622-1994, Determination of free formaldehyde content in phenolic resin (currently January 1, 1995), HG/T2705 -1995,210 rosin modified phenolic resin (currently available on January 1, 1996), HG/T2710-1995, determination of water miscibility of liquid phenolic resin (currently March 1, 2001), HG/T2711-1995, liquid Conventional determination of non-volatile phenolic resins (currently March 1, 2001), HG/T2712-1995, Determination of viscosity of liquid and solution phenolic resins (March 1, 2001) Japanese current), HG/T2753-1996, Determination of the flow distance of phenolic resin on glass plates (currently May 1, 1993), HG/T2755-1996, Determination of hexamethylenetetramine content in phenolic resin (1997) January 1st, current), HG/T2756-1996, using an automatic tester to determine the gel time of a phenolic resin at a given temperature (currently January 1, 1997), HG/T2757-1996, phenolic resin in the B-stage Determination of the reactivity of the transition plate (currently January 1, 1997).
In addition, the following standards are also included: HG/T2905-1997, Determination of Conductivity of Phenolic Resin Extract (currently September 1, 1997), HG3320-1987, Water Soluble Phenolic Resin Adhesive (current) for coated abrasives, HG5-1338 -1980, Test method for polymerization rate of phenolic resin (disappeared on October 1, 1994), HG5-1339-1980, Test method for viscosity of high viscosity phenolic resin (disappeared on October 1, 1994), HG5-1340-1980, low viscosity Phenolic resin viscosity test method (disappeared on October 1, 1994), HG 5-1341-1980, phenolic resin water content test method (disappeared on October 1, 1994), HG5-1342-1980, phenolic resin free phenol content Determination method (disappeared on July 1, 1983), HG5-1343-1980, method for determination of free formaldehyde content of phenolic resin (disappeared on October 1, 1994), JB2723-1980, 1411 phenolic resin solution (July 1, 1992) Daily waste), JB/T8149.1-2000, phenolic paper laminate (National Machinery Industry Bureau, current January 1, 2001), JB/T8149.3-1995, phenolic laminated board (January 1, 2001) Day made), JB/T8149.4-1995, phenolic laminated glass cloth board (disappeared on January 1, 2001), JB/T8150.1-1995, phenolic laminated paper tube (2001 1 1 day void), JB/T8834-1999 shell type (core) phenolic resin for casting (October 1, 2001), JB/T8834-2001, shell type (core) phenolic resin for casting (October 1, 2001) Current), LY/T1179-1995, rosin modified phenolic resin-210# resin (Forestry Department, current December 1, 1995), SY5094-1986, sulfomethyl phenolic resin for drilling fluids (July 1, 1992) Obsolete), SY/T5094-1995, sulfomethyl phenolic resin for drilling fluids (disappeared on November 1, 1995).