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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
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8 i$ W* e4 m1 a# G. D soap-diy.com 很少單獨存在於自然界裡,並非化學合成物,常以甘油酯的形態存在,硬脂酸在自然界的分布很廣,
" Y% y1 k" p. {2 X soap-diy.com 存在於許多植物性油脂和動物性油脂中。
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# B! u4 T# o$ v4 _. C soap-diy.com 動物脂肪中的含量比在植物油脂中的含量要高,如牛油中的含量可達24%,茶油為0.8%,棕櫚油為6%
  u% k$ B. [9 S$ j+ S soap-diy.com ,但可可脂中的含量高達34%。
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. U+ N5 `7 f9 b$ l soap-diy.com 硬脂酸實際上是45%硬脂酸和55%軟脂酸的混合物,並含有少量油酸,略帶脂肪氣味
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生產方式 soap-diy.com 7 ~5 O7 G9 O$ t1 s$ `  q
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動物油與水在高溫高壓下反應,使甘油三酸酯水解。不飽和植物油與氫氣加成得到。
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硬脂酸在手工皂的應用主要是增加皂成品硬度。
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添加硬脂酸的手工皂成品,有刺激皮膚的可能性,也比較容易阻塞毛孔。 soap-diy.com " v' H' Y4 |3 O: B) X8 A# J0 P% T

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硬脂酸添加比例為3%~5%。
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0 D- O4 u* ~3 ]2 f5 ` soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價 soap-diy.com + ^) L' x# n! \* A/ s

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添加硬脂酸方式,純硬脂酸融點69.4度,可先與耐熱油脂熱融,如椰子油棕櫚油,一起加熱融好,再跟其他油ㄧ起融鹼。
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9 d: v/ N7 x7 U2 h- C! V soap-diy.com 根據皂友心得:如沒併入一起計算ins值,可將計算後約INS90的手工皂配上3%硬脂酸,就可有理想的硬度。

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$ N7 u( ?( ?) \, Z- y soap-diy.com 詢問商家的硬脂酸是那一種等級,應該是要買化妝品級的硬脂酸,購買三壓等級。
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硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com 4 V; s% X  F2 Y
操作方式 : 可先與耐熱的油一起熱融後再與其他的油一起融鹼,如融鹼後才加入,會加快Trace,需小心有假
Trace情況發生。 soap-diy.com : \$ _" l4 c% P

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+ j1 L$ j; A2 d4 i soap-diy.com soap-diy.com 3 x) J/ ?0 ^0 s8 U5 _! |+ K

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硬脂酸(三壓級) soap-diy.com * u$ B9 o* s, s' ]. @1 i1 i
STEARIC ACID


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' u9 S4 u: f3 R  a9 O: X6 f soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

: b% X$ I; `9 R7 f4 s. L/ r soap-diy.com 9 I3 G" c5 b" p# l; E soap-diy.com Property:
1 w0 B& U1 O: `% z5 Z soap-diy.com Acid Value 酸值201-213 soap-diy.com , r7 z# e2 Q" q& D- a1 F: R
Sapon Value 皂化值202-214 soap-diy.com 7 z0 J+ F) _" [8 A6 }
Iodine Value 碘值1.0max.
4 K" z4 w2 N2 \  A9 P soap-diy.com Titer(℃) 熔點54-56
* L4 a8 O) K! M% M) | soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx: soap-diy.com 9 H5 n0 f9 M8 M
C12(Lauric)& Lower1max. soap-diy.com # [% a$ w' ?0 u" T
C14(Myristic)2max. soap-diy.com ; F$ Z( L: a" e/ I
C16(Palmitic)68max. soap-diy.com 4 v3 H7 w, N$ v5 a% t0 p) O7 A: b; A
C18(Stearic)30min. soap-diy.com 2 T( f# o9 ?' q- R* B0 l
C20(Arachidic)1max. soap-diy.com 7 T7 R  _' w$ S
C18'(Oleic)1max. soap-diy.com . ]2 }3 ~/ P, \0 r1 u$ ]) e soap-diy.com ' T' I- {  b+ i9 C
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com / O: I* C6 ~! B( U& o
Test Method:AOCS soap-diy.com , V, F9 g% S: \% k! ^0 n3 u


& C3 j0 w/ x4 y- T6 Y soap-diy.com soap-diy.com 8 g1 b8 E+ p  j( q$ ~* r' t3 f- H3 h
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硬脂酸(二壓級) soap-diy.com # z! G' n; U, A9 ^
STEARIC ACID soap-diy.com " d5 k7 O3 F' r
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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+ D3 F5 k. @$ z. o, f soap-diy.com Property: soap-diy.com 1 e6 {9 a* {, d2 t1 ]
Acid Value 酸值207-214
, B6 T- j" d! v- s soap-diy.com Sapon Value 皂化值208-215 soap-diy.com ! R( A4 d0 v- N8 e
Iodine Value 碘值3.0max. soap-diy.com : {* D  W) x* Y+ Z
Titer(℃) 熔點53min. soap-diy.com 6 n8 S2 o4 `9 x% x" f. |- j; i
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 1 I# n' A8 L' ~# E soap-diy.com . p& J. p2 C* P3 ?0 O
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Composition(in%) Approx: soap-diy.com % Q& @4 B( h/ l  t; O
C12(Lauric)& Lower1max. soap-diy.com ) l$ M( {, q1 p/ o! e2 Z
C14(Myristic)2max.
" j( q$ H- ^/ {9 Y# o& k% ] soap-diy.com C16(Palmitic)70max. soap-diy.com 4 B  K4 `  o  c6 T5 p6 m3 @* R
C18(Stearic)29min.
; [! f& L. b+ n9 [  b+ E soap-diy.com C20(Arachidic)1max.
- }5 {# }( y' H0 D; Y' {6 [2 m( u soap-diy.com C18'(Oleic)3max.
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3 X% ?! e* F% [3 i7 a0 ` soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com ! r" E% U1 G9 E- d. ?) b' k
Test Method:AOCS soap-diy.com - _( l1 Q0 U7 j! k  g2 E


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硬脂酸(一壓級)
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STEARIC ACID soap-diy.com $ E: t& ^: j! @
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

+ [" }8 |9 _0 G4 X. b$ B6 Y soap-diy.com ( `9 }' |2 s1 A0 `6 I) |9 }" L# b soap-diy.com Property: soap-diy.com ! \: E; V7 Q: z. H! b, v* ]* r. P
Acid Value 酸值185min.
6 ]3 t& s1 c. b soap-diy.com Sapon Value 皂化值186min. soap-diy.com ' i% L0 B! A8 G( k* }3 o
Iodine Value 碘值10max.
. w# r& G7 y* c+ c! M! H- u soap-diy.com Titer(℃) 熔點50min.
0 ]( d& R, R5 H8 t/ x; o soap-diy.com Colour(Gardner) 顏色7Gardner max.
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2 f3 E3 _6 ~- b3 g$ C soap-diy.com soap-diy.com ! N3 B) B  f. b2 A/ J/ Z; n% u
Composition(in%) Approx:
8 a- @9 S6 l0 ^3 y- S2 P$ K8 A soap-diy.com C12(Lauric)& LowerVariable soap-diy.com + @" \4 h& h9 c! T1 D, S
C14(Myristic)Variable soap-diy.com & u( i2 h7 s  K) k" n1 y
C16(Palmitic)Variable soap-diy.com % w; Z  _, H% o1 {7 V2 r& T
C18(Stearic)Variable
" y, S8 h. {' q3 u5 r soap-diy.com C20(Arachidic)Variable
* N- p8 W* w: v0 d( m soap-diy.com C18'(Oleic)Variable
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com ( J* M  K9 [; Q! u9 _
Test Method:AOCS soap-diy.com ; x. ]" h% \4 R0 s+ d


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9 c4 N9 \" ^" H; r2 P! e( B3 ^+ r0 T soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com - C. J7 H* Y) i% ?4 q9 A
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

/ h: I. G5 q# @$ i soap-diy.com 7 d9 X  _( [8 Y/ _- u* `" U soap-diy.com Property: soap-diy.com ) L5 e- k. X: X) Y9 G2 V
Acid Value 酸值200-212 soap-diy.com ) e0 c7 Y. G, i; d2 ]+ t( x
Sapon Value 皂化值201-213 soap-diy.com + e& M9 y9 ]+ N
Iodine Value 碘值1.0max. soap-diy.com 9 U2 W# c( e' Z1 P
Titer(℃) 熔點55-57 soap-diy.com . H, r: V) x5 K- r
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
* [* ^* D( e+ k* V soap-diy.com C12(Lauric)& Lower1max. soap-diy.com . T8 ]2 P& a5 ]) m
C14(Myristic)2max. soap-diy.com 0 J* ^3 N: ~2 h4 |  C
C16(Palmitic)60max.
$ t3 A8 h, K# L7 B! o# Q6 z soap-diy.com C18(Stearic)40min. soap-diy.com 9 q& z' o2 n4 s8 c$ }0 H" K# k
C20(Arachidic)1max.
$ L" a+ U2 c) b0 C$ f# b) H  q. @) D soap-diy.com C18'(Oleic)1max.
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Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
+ f3 m( C% B8 u- s2 Q; K soap-diy.com Test Method:AOCS soap-diy.com + I; V/ B8 J! L% k4 N

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硬脂酸(分餾三壓級) soap-diy.com % O; V/ b4 E  u) f
STEARIC ACID
. |# y. t& L2 J) a soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Acid Value 酸值198-210 soap-diy.com * U; t+ Z+ ^' x4 v' v! B
Sapon Value 皂化值199-211
+ ^3 m- s" h$ ? soap-diy.com Iodine Value 碘值1.0max. soap-diy.com , B* Y/ q5 K6 i
Titer(℃) 熔點55-58 soap-diy.com + r6 T" F, m  v* O, M1 b6 b9 b
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
% I9 j, e$ [: ~ soap-diy.com C12(Lauric)& Lower1max.
3 y' g3 s: B" J/ m" D2 } soap-diy.com C14(Myristic)2max.
0 x& ^- W; m8 W# r6 Q0 p( a# n* m soap-diy.com C16(Palmitic)53max.
- t% h! ^/ H" }, g soap-diy.com C18(Stearic)47min. soap-diy.com   R- o5 w' Z6 T  M0 O! e
C20(Arachidic)1max.
, ^" B2 @( o# ^% } soap-diy.com C18'(Oleic)1max. soap-diy.com / n/ Q4 U3 `% K* F8 E soap-diy.com : A7 n+ N* a  e9 Y; e
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com & X8 C5 b7 C! G/ b) \) w
Test Method:AOCS
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硬脂酸(分餾三壓級)
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STEARIC ACID
6 ~! d' b: I( V& J4 t1 p soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property:
+ v4 u9 H, u) Z$ d soap-diy.com Acid Value 酸值200-208 soap-diy.com & R  N0 `8 t& b5 E- l* V+ N
Sapon Value 皂化值201-209 soap-diy.com & O) @1 m# Y$ I9 c
Iodine Value 碘值1.0max.
+ P. H* h6 Z& {6 B; G$ W( u. x soap-diy.com Titer(℃) 熔點57-61
8 ?. E  z# J% J$ b; `% H+ M soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
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Composition(in%) Approx: soap-diy.com - ]+ G7 E. j# v9 L; t' x1 S9 Z2 I
C14(Myristic)0-1 soap-diy.com : h. m# p  k) D) T2 m' C
C16(Palmitic)30-38
+ M& F+ Q( V8 }( l! i soap-diy.com C18(Stearic)62-70 soap-diy.com . G; C2 }: h5 }" r) p" b- f6 u0 u
C18'(Oleic)0-1 soap-diy.com 1 m7 c( x7 H. Y+ L6 s8 U7 r! J( \
  q( a; l$ i% S( C* d soap-diy.com Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
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Test Method:AOCS soap-diy.com - X+ G: t8 s8 \2 f


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