JC/T 2055-2011 (JC/T 2055-2020 Newer Version) PDF English
JC/T 2055-2011 (JC/T2055-2011, JCT 2055-2011, JCT2055-2011)
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Particle bentonite for pet litters
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Newer version: JC/T 2055-2020 Standards related to (historical): JC/T 2055-2020
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JC/T 2055-2011: PDF in English (JCT 2055-2011) JC/T 2055-2011
JC
NATIONAL BUILDING MATERIALS INDUSTRY
STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 73.080
Q 69
Record number. 34397-2012
Particle bentonite for pet litters
ISSUED ON. DECEMBER 20, 2011
IMPLEMENTED ON. JULY 01, 2012
Issued by. Ministry of Industry and Information Technology of the PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Requirements ... 4
4 Test methods ... 5
5 Inspection rules ... 8
6 Packaging, transportation, and storage ... 9
Particle bentonite for pet litters
1 Scope
This Standard specifies the requirements, test methods, inspection rules,
packaging, transportation, and storage, etc. of particle bentonite for pet litters.
This Standard applies to particle bentonite for pet litters processed from natural
bentonite.
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 6003.1 Test sieves of metal wire cloth
HG/T 2825-2009 Granule Bentonite
3 Requirements
3.1 Appearance quality
Particle bentonite for pet litters shall be free of foreign impurity.
3.2 Physical properties
The physical properties of particle bentonite for pet litters shall comply with the
requirements of Table 1.
Table 1 -- Physical properties of particle bentonite for pet litters
4.3 Moisture
4.3.1 Apparatus
4.3.1.1 Balance. The accuracy is not more than 0.01 g.
4.3.1.2 Drying oven. It can be controlled at 105°C±3°C.
4.3.1.3 Dryer. It contains allochroic silica gel.
4.3.1.4 Stainless steel plate. Φ150 mm.
4.3.2 Test procedures
4.3.2.1 USE a balance to weigh 20 g (accurate to 0.01 g) of the sample; and
PLACE it in a pre-constant weight stainless steel plate, to spread the sample
evenly over the stainless steel plate.
4.3.2.2 WEIGH the sample and stainless steel plate again (accurate to 0.01 g)
and RECORD.
4.3.2.3 The stainless steel plate containing the sample is placed in a drying
oven of 105°C±3°C and continuously dried for 2.5 h.
4.3.2.4 TAKE the stainless steel plate containing the sample out; PLACE it in a
drying oven to cool to room temperature; and WEIGH (accurate to 0.01 g).
4.3.2.5 DRY, COOL, and weigh repeatedly until constant weight.
4.3.3 Result calculation
The moisture content w1 (%) of particle bentonite for pet litters shall be
calculated according to formula (2).
Where.
m3 - The mass of sample and stainless steel plate before drying, in grams (g);
m4 - The mass of sample and stainless steel plate after drying, in grams (g);
m0 - The mass of sample before drying, in grams (g);
The arithmetic mean of the results of two parallel determinations shall be taken
as the determination result. The absolute error of the two parallel
determinations shall be no more than 2.0%, otherwise it shall be re-determined.
m7 - The mass of sample, in grams (g).
The arithmetic mean of the results of parallel determinations shall be taken as
the determination result. The absolute error of the parallel determination results
shall be no more than 3.0%, otherwise it shall be re-determined.
4.5 Bulk density
It shall be performed in accordance with the provisions of 5.7 in HG/T 2825-
2009.
4.6 Caking shape and caking strength
4.6.1 Reagents
4.6.1.1 Plastic container. 25 cm×12 cm×8 cm (length×width×height).
4.6.1.2 NaCl solution. Concentration is 1%.
4.6.1.3 Needle tubing. not less than 10 mL.
4.6.1.4 Graduated ruler.
4.6.1.5 Timer. Accuracy is 0.1 s.
4.6.2 Test procedures
4.6.2.1 WEIGH 1 kg of sample (accurate to 1 g); and LAY it flat in a plastic
container.
4.6.2.2 From a height of 2.5 cm, in 4 s ~ 5 s time, USE a needle tubing to inject
10 mL of NaCl solution into the sample.
4.6.2.3 After 10 s, POUR out the caking test block.
4.6.2.4 OBSERVE the caking shape and RECORD it.
4.6.2.5 LET the test block fall freely from a height of 15 cm; and RECORD the
number of times the test block falls when it is broken.
5 Inspection rules
5.1 Lot-grouping principle
500 t of particle bentonite for pet litters is a lot. Less than 500 t is also counted
as a lot.
5.2 Sampling method
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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