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Casein: hot needle test
0 0 votesArticle RatingCasein identification guide: casein is a thermoset semi-synthetic polymer made from milk, hardened in formaldehyde
13. Hot needle test: slow to burn, heat aura appears around point, sizzles, smokes, smells like burned milk, usually leaves a hard ridge around test point.
source: Button Materials A-Z: Identification Guide
by Jocelyn HowellsButton Specs
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- II-2-7-2 Land (0)
- II-2-7-3 Water (0)
- II-2-8 a country (0)
- II-2-6.1 Hunt Clubs (1)
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Related Specialties
- Div. IV Related Specialties (6)
- 3-1 Button covers (0)
- IV 6 LINKS STUDS (1)
- 6-1 Back types (1)
- 6-1.1 Non-separable (1)
- 6-1.4 Spiral wire shank (0)
- 6-1.2 Rigid post (0)
- 6-1.3 Separable (0)
- 6-1 Back types (1)
- IV 1 BRIDLE ROSETTES (0)
- 9-3 Unlisted (0)
- 1-1 Face designs (0)
- IV 2 BUCKLES/CLASPS (1)
- x Unlisted (0)
- 2-1 Buckles/clasps type (0)
- 2-2 Unlisted (0)
- IV 3 Button/Shoe Button Covers (0)
- IV 4 BUTTON HOOKS and Devices (1)
- IV 5 COSTUME TRIMMINGS (0)
- 5-1 Back types (0)
- IV 7 NETSUKE (1)
- IV 8 OBI DOME (2)
- IV 9 OTHER Related Specialties (0)
- 9-2 Snapettes (0)
- 9-1 Bachelor buttons (0)
- Uncategorized (4)
- Div. IV Related Specialties (6)
The above is based on the National Button Society's Classification System.
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