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GB/T 33284-2016 English PDF (GBT33284-2016)

GB/T 33284-2016 English PDF (GBT33284-2016)

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GB/T 33284-2016: Indoor decorating and refurbishing materials -- Limit of harmful substances of unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows

This Standard specifies the requirements for the limit of heavy metal, vinyl chloride monomer and bis(2-ethylhexyl) phthalate, test methods, and inspection rules for unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows. This Standard is applicable to unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows made with polyvinyl chloride resin as the main raw material and adding appropriate additives and auxiliary materials.
GB/T 33284-2016
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 83.140
G 33
Indoor decorating and refurbishing materials - Limit of
harmful substances of unplasticized polyvinyl
chloride (PVC-U) profiles for the doors and windows
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ISSUED ON: DECEMBER 13, 2016
IMPLEMENTED ON: JULY 01, 2017
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Requirements ... 5
5 Test methods ... 5
6 Inspection rules ... 6
Indoor decorating and refurbishing materials - Limit of
harmful substances of unplasticized polyvinyl
chloride (PVC-U) profiles for the doors and windows
1 Scope
This Standard specifies the requirements for the limit of heavy metal, vinyl chloride monomer and bis(2-ethylhexyl) phthalate, test methods, and inspection rules for unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows (hereinafter referred to as profiles).
This Standard is applicable to unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows made with polyvinyl chloride resin as the main raw material and adding appropriate additives and auxiliary materials.
2 Normative references
The following documents are indispensable for the application of this document. For the dated references, only the editions with the dates indicated are applicable to this document. For the undated references, the latest edition (including all the amendments) are applicable to this document.
GB/T 4615-2013 Poly (vinyl chloride) - Determination of residual vinyl
chloride monomer - Gas-chromatographic method
GB/T 8814 Unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows
GB/T 26125-2011 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium,
polybrominated biphenyls, polybrominated diphenyl ethers)
GB/T 29786-2013 Determination of phthalates in electrical and electronic equipment - Gas chromatography-mass spectrometry
3 Terms and definitions
The terms and definitions defined in GB/T 8814 and the following ones apply to this document.
sample.
White profiles and full-body color profiles are directly sampled from the profiles. For color profiles (including co-extrusion, painting, and laminating color profiles), cut from the visible surface perpendicular to the visible surface. If necessary, samples are taken from the coating surface and the basis materials and tested respectively.
MAKE the sample 2 mm??2 mm or smaller and mix well.
5.2 Determination of heavy metal limit
The determination of lead, cadmium, mercury and hexavalent chromium
content is carried out according to GB/T 26125-2011.
5.3 Determination of vinyl chloride monomer content
TEST according to GB/T 4615-2013.
5.4 Determination of content of phthalate ester substances
The determination of phthalate content is carried out in accordance with GB/T 29786-2013.
6 Inspection rules
6.1 Type inspection
Type inspection items are all items specified in Clause 4 ?€?Requirements?€?. Under normal production conditions, type inspection shall be carried out at least once a year. If there is one of the following conditions, type inspection shall also be carried out:
- When the new product is trial-produced and finalized;
- When there are major changes in the production process and its raw
materials;
- When production resumes after a long-term suspension of production.
6.2 Determination rule
When the inspection results of all items meet the requirements of this Standard, the product is determined as conformity. If there is an inspection result that does not meet the requirements of this Standard, the product is determined as nonconformity.

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