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Quality Grading Criteria of Raw Mink Skins
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GH/T 1256-2019
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PDF similar to GHT1256-2019
Basic data | Standard ID | GH/T 1256-2019 (GH/T1256-2019) | | Description (Translated English) | Quality Grading Criteria of Raw Mink Skins | | Sector / Industry | Supply and Marketing Cooperatives Industry Standard (Recommended) | | Classification of Chinese Standard | Y46 | | Date of Issue | 2019-05-21 | | Date of Implementation | 2019-12-01 | | Regulation (derived from) | Industry Standards Record Announcement No.2 of 2019 (Total No.230) | | Issuing agency(ies) | All-China Federation of Supply and Marketing Cooperatives | GHT1256-2019: Quality Grading Criteria of Raw Mink Skins---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Raw water skin quality inspection)
ICS 59.140.30
Y46
People's Republic of China Supply and Marketing Cooperation Industry Standard
GH
Raw mink quality inspection
Quality Grading Criteria of Raw Mink Skins
2019-05 -21 released
2019-12-01 implementation
Published by All China Supply and Marketing Cooperative
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1.
This standard was proposed by China Animal Products Circulation Association.
This standard is under the jurisdiction of the All-China Federation of Supply and Marketing Cooperatives.
This standard was drafted. China Animal Product Circulation Association, Heilongjiang Fur Distribution Industry Association, Northeast Forestry University.
The main drafters of this standard. Sun Guangcai, Hua Yan, Pan Zhongshu, Ni Jing, Sun Xue, Liu Wei.
Raw mink quality inspection
1 Scope
This standard specifies the structure, drafting rules and formatting of the quality inspection standards for raw mink skins, and gives examples of related expressions.
formula.
This section applies to the preparation of national standards, industry standards and local standards, as well as the preparation of national standardization guidance technical documents.
Can be used for reference.
This standard applies to the quality inspection of mink produced in China.
2 Normative use documents
The following documents are essential for the application of this document. For dated references, only the dated version applies
This document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 14789 Fur mink
GB/T 8134 Inspection method for raw mink for export
GB/T 11048 Determination of thermal and moisture resistance under steady-state conditions for physiological comfort of textiles
NY/T 1173 Technical Specification for Animal Fur Inspection
QB/T 1261 Fur industry terminology
QB/T 1263 Measurement and calculation of defects in finished fur products
GB/T 14691 Technical drawing fonts (ISO 3098-1, ISO 3098-2)
GB/T 15834 punctuation usage
GB/T 15835 Provisions on digital usage in publications
GB/T 17451 Technical drawing pattern drawing view
3 terms and definitions
3.1 Raw Raw
Leather that has not been chemically tanned.
3.2 Seasonable Leather
Winter mature skin where needle hairs have grown in all parts.
3.3 Non-Seasonable
Not peeled in winter.
3.4 Old Inventory
Not peeled from the year.
3.5 Summer Skin
Peeled in summer.
3.6 Breeder-skin
The male bark stripped after mating.
3.7 Drying Broad Skin
Air dry the shaped skin towards the coat on a standard lintel.
3.8 Good Leather-side
Leather board is flexible, good elasticity, good oiliness, good gloss, no disability, no obvious stains.
3.9 Whole Hair-out
Use standard cymbal board, according to the uniform specifications, the hairs on the cymbals face the outer tube, and the head, ears, nose, tail, and hind paws are complete.
3.10 Colour
The color of the needle hairs.
3.11 Shade
The color of the fluff.
3.12 Clarity
The shades of needle hair and down hair are mixed.
3.13 Hair Length
Needle and fluff length.
3.14 Hair Length Percentage
Needle hair to hair length ratio.
3.15 Hair Density
The amount of wool per unit area.
3.16 Hair Dense Percentage
The ratio of the number of needle hairs to the down hairs.
3.17 Characteristic of Guard hair Fast Returning after Shaken Open
The characteristics of rapid recovery of needle hairs after shaking or blowing fur.
3.18 Size
A unit of length from the tip of the nose to the tubular fur of a mink. Take 6cm as an advanced size unit.
3.19 Damaged
Defective skin.
3.19.1 Bitten
Biting or self-biting causes fluffy skin.
3.19.2 Torn
Damaged skin caused by mechanical factors.
3.19.3 Rubbed
Friction causes disabling skin.
3.14.4 Light Cut On Leather Side
When peeling or preliminary processing, use a knife to scribe the imperfectly broken skin.
3.19.5 Holes
There are hollow skins on the leather board.
3.19.6 Scars
Where the skin plate is affected by scabies, sores, the plate is indurated, and the fluffy skin is dysplastic.
3.19.7 Hip Hipper
Severely hollow skin on the buttocks.
3.19.8 Sick-dead
Suffering from serious diseases, leading to rough skin, non-oiliness, poor elasticity, disordered fluff, poor gloss, and empty skin.
3.19.9 Weak Belly
The hair around the genitals is contaminated with urine stains to form a special yellow skin.
3.19.10 Metallic
Needle hair with curved tip.
3.19.11 Matted
Needle fluff tangled skin.
3.18.12 Sprinkler
Partial needle hair becomes white skin.
3.19.13 White Wool
The fluff is significantly lighter in color.
3.19.14 Woolly
Insufficient fur covering.
3.19.15 Alopecia areata
Air drying or improper shaving can lead to plaque and hairless skin.
3.19.16 Skin with Falling-off Guardhair
Improper processing causes the needle hair to fall off.
4 Quality inspection
4.1 Technical requirements and quality standards
4.1.1 Processing technology requirements
Peeling standard, complete shape of the skin, according to the unified standard cymbal plate air-dried into a tubular skin with the back side open.
4.1.2 Standard fascia specifications
Table 1 Specifications of male mink sampan plate Unit. cm
The palate is 115 cm long and 1.1 cm thick. Width 3.6 cm from the tip of the cymbal and 5.8 cm from the tip of the cymbal
Cm, 11.5 cm wide groove at 90 cm from the tip of the board; in order to make the mink skin ventilate well, there are two sides and two sides of the board.
Groove. From the tip of the slab to 13 cm, open a slot with a width of 0.5 cm and a length of 71 cm in the middle of the layout.
A half groove with a length of 84 cm and a width of 2 cm symmetrically on the two sides of the middle groove;
A small groove is opened in the middle of both sides at a distance of 14 cm from the apex of the pannel.
Table 2 Specifications of female mink sampan plate Unit. cm
The palate is 115 cm long and 1.1 cm thick. Width 3.6 cm from the tip of the cymbal and 5.8 cm from the tip of the cymbal
Cm, 11.5 cm wide groove at 90 cm from the tip of the board; in order to make the mink skin ventilate well, there are two sides and two sides of the board.
Groove. From the tip of the slab to 13 cm, open a slot with a width of 0.5 cm and a length of 71 cm in the middle of the layout.
2 5 10 50 90 95 110 115
Width 3.0 4.5 5.4 6.4 8.7 11.5 11.5 11.5
From tip 2 5 10 50 90 95 110
Width 2.7 4.1 4.7 5.2 6.9 8.5 8.5
A half groove with a length of 84 cm and a width of 2 cm symmetrically on the two sides of the middle groove;
A small groove is opened in the middle of both sides at a distance of 14 cm from the apex of the pannel.
4.2. Quality standards
4.2.1 First level
High-quality, flawless, moderate proportion of needle pile, large density, good elasticity, good gloss, flat back hair, uniform color.
4.2.2 Level 2
High quality, flawless, moderate proportion of needle hair and needle hair, slightly worse than first-grade mink, slightly empty, good elasticity, good gloss, back belly
The needle hairs are flush and uniform in color.
4.2.3 Level 3
The quality of the skin is the same as that of the primary and secondary skins, but with any of the following slight defects.
1) yellow urine;
2) crochet;
3) Hip collapse.
4.2.4 Class A
The overall quality of grade A leather is worse than that of grade II leather, but the value of the skin is high, and the skin shape is complete. Uneven needle hairs are slightly empty, or
Skin with any of the flaws listed in Level 3.
4.2..5 Class B
For the leathers meeting the above grades, the principles of quality inspection are given in Appendix B.
4.2.6 Inspection of seed and summer fur
Individual grading inspections are carried out according to their respective quality standards.
4.3 Inspection items
4.3.1 Gender
Dividing male and female skin according to reproductive holes.
4.3.2 Size
See chart for size chart
Table 1 Mink size chart
Size length interval (cm)
50 > 101
The upper skin is not standard. For the measurement method, see Appendix A.
4.3.3 Color
Different types of mink are distinguished, and the mink of the same color type is classified into black, dark, medium, and light according to the color of the needle hair.
The specific color types are divided into ten color types. black, XXX deep, XX deep, X deep, deep, medium, light, X light, XX light, and XXX light.
4.3.4 Color head
According to the color of the color head to determine the sharpness of the mink, see Table 2.
Table 2 sharpness specifications
Sharpness color head
Number 1 blue
No. 2 green
No. 3 red
No. 4 brown
5 miscellaneous
4.3.5 Gross length inspection
Mink needle hair length is divided into long hair, medium hair and short hair.
4.3.6 Quality Level
40 95-101
30 89-95
20 83-89
0 77-83
1 71-77
2 65-71
3 59-65
4 53-59
5 < 53
4.3.7 Bundling and Numbering
Bundle the mink after inspection according to gender, size, color, quality level, clarity, etc.
Zhang is a handpiece, mother leather is a 50-piece piece and the information about the leather piece is numbered.
4.4 Inspection method
4.4.1 Inspection environment
4.4.1.1 The inspection workshop is spacious and protected from natural light.
4.4.1.2 The inspection platform is spacious, flat, with size scale, and the table surface is light-colored. The inspection table is 87cm high and 95cm wide.
set.
4.4.1.3 The inspection table is equipped with lights. The light source can be composed of energy-saving fluorescent tubes, erected parallel to the table surface, and 70 cm away from the inspection table surface.
4.5 Inspection procedures
4.5.1 Sampling quantity and method
If the number is less than 1000, it will be taken one by one. If the number is more than 1000, 50 samples will be taken for every 100 additional samples.
If there is any objection to the quality during the sampling inspection, one by one inspection shall be adopted.
4.5.2 Inspection principle
4.5.2.1 Check the samples one by one.
4.5.2.2 If there is any objection to the quality of each sample taken from the inspection, all skins shall be inspected.
4.6 Inspection method
4.6.1 Hold the head of the mink with one hand, and pinch the neck from the neck to the tail with the other hand, and feel the density of the plush, the elasticity of the needle hair, and the quality of the board.
4.6.2 Hold the mink's tail root in your hand, or press it on the grading table, hold your head with your right hand, and shake naturally with your wrist to restore the plush
Natural state, visually assess the maturity of the whole body, including the density of the pile, the proportion of the pile, the coverage of the pile, the gloss
Whether the plush is flush and flexible.
4.6.3 Inspect the edge parts of the mink's mouth, eyes, and ears, the condition of the summer hair removal and the color of the head skin, and determine the condition of the hair replacement.
4.6.4 Turn over the leather body, and visually inspect the development status of mink fur on the abdomen.
4.6.5 Touch or stir the local fluff of mink fur, and blow if necessary to determine the insignificant degree of disability.
4.6.6 Automatic inspection of instruments and equipment is performed in accordance with the set procedure.
Appendix A
(Normative appendix)
Mink size metric chart
IX
Appendix B
(Normative appendix)
Quality inspection of mink skin
B 1. Principles of inspection
B1.1 Broad requirements for hard injuries such as scalpels and holes, and strict requirements for soft injuries such as cotton wool and diseased skin.
B1.2 The requirements for the disability distributed in the minor parts are wide, and the requirements for the disability distributed in the major parts are strict.
B1.3 Broad requirements for centralized disability and strict requirements for scattered disability.
B1.4 The requirements for hard disability with slight tear are wide, and the whole skin can be tapered.
B1.5 The skin of tangled hair, yellow urine, bites and lacerations shall be inspected at six levels.
B1.6 White suede is divided separately.
B1.7 Alopecia areata and needle skin are divided separately.
B 2. Cases not counting disability
B 2.1 The missing tail does not exceed 50% of the full tail.
B 2.2 There are vertical white lines in the middle of the abdomen, and the width should not exceed 0.5cm.
B 2.3 Male skin bald crotch, with an area not exceeding 5 cm2.
B 2.4 The leather has a few scattered white needles.
B 2.5 The surface of the tail and claws is slightly gray.
B 2.6 The area of the white spot of the jaw does not exceed 5 cm.
B 2.7 Ears, eyes, and nose are slightly bristly.
B 2.8 Well-preserved tangerine peel.
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