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1.1 The 3M Scotchcast Splice Kit 8980 Series has six rigid body closure sizes available.
1.0 General
? ?
The closure kit includes spacer webbing to keep the splice bundle away from the
closure wall and allow the encapsulating compound to flow around the splice.
1.2 3M ? High Gel Encapsulant is a two-part, re-enterable non-polyurethane encapsulating
compound.
1.3 3M ? Scotchcast ? Compound 4407 is a two-part, non-re-enterable polyurethane
encapsulating compound.
1.4 This practice describes the application of 8980 series kits with high gel or 4407
encapsulating compound (using the steps applicable to 4407 kits). See Kit Selection
Guide for individual kit capabilities.
2.0 Kit Contents
* in 4407 kits; √ in High Gel kits; X not applicable
Kit Contents 8981 8982/8983 8984 8985/8986
“closure halves, one each” * √ * √ * √ * √
pour spouts (2) * √ * √ X X
strain relief bar X X √ √ (2)
bonding strap X √ X X
service wire connector √ (4464) X X X
spacer tube X √ √ √
spacer web * √ * √ * √ * √
DR tape X √ √ √
88T vinyl tape X √ √ √
B sealant tape strips X √ √ √
shield bond connectors √ (4460-D)(2) √ (4460-D)(2) √ (4460-D)(2) √ (4462-FN)(4)
compound * √ * √ * √ * √
sheath scuff X √ √ √
√
√
√
√
cable ties (2)
3.2 Filled Cables
For best results, clean filled cables
thoroughly before encapsulating.
Note: Carefully follow health, safety and
environmental information given on cable
cleaner label or Material Safety Data Sheet.
3.3 For 8982-8986 kits, insert the shield
connector between the shield and
the inner sheath (or core wrapper on
single sheath cables). On 8982-8983
kits, make certain the shield connector
studs are aligned with “bubbles” on the
side of the mold body. (Note: Cables
show 4462-FN shield connector).
3.4 For cables less than 3/4" (19 mm) in
diameter, cut a 1" (25 mm) slit in the
sheath opposite the connector location.
Then complete the procedure.
3.5 Install shield bond connector and bond
bar. Then install one nut securely onto
shield bond connector stud.
Note: Torque 4460 series shield
connector nuts to 30-35 in-lbs (3.4-
4.0 kg ? m)
Torque 4462 series shield
connector nuts to 45 ± 5 in-lbs (5.2
± 0.6 kg?m).
3.6 Cut off excess stud.
Bond Bar
873511
1" (25 mm) Slit
Connector Top
Connector Bottom
Cut Off
Excess
3.7 For double sheath cables, build sealing
collars on the inner sheath. Each
sealing collar consists of one wrap of
3/4" (19 mm) wide B sealing tape cut
in half 3/8" (9 mm) and completely
overwrapped with at least two turns
of 3/4" (19 mm) highly stretched DR
tape, white side out.
3.8 For 3M ? Scotchcast ? Kits 8981-8986,
continue shield by installing the
bonding strap or strain bar(s) across
the splice opening.
3.9 Build outer sheath sealing collars
just beyond the nose of the shield
bond connector—each sealing collar
consists of one 3/4" (19 mm) wrap of
B sealing tape cut in half 3/8" (9 mm)
and completely overwrapped with at
least two turns of highly stretched DR
tape, white side out. (Collars must be
covered by closure).
3.10 For multiple cables:
(a) Center a closure-half over the
splice and mark the closure end
location on the cables.
(b) Seal cables together with B sealing
tape filling all voids between the
cables. Trim closure ends to fit
build up.
873511
cover
#23 tape strips (3)
X
* √
X
*
* √
*
* √
*
4.0 Splice Conductors per company practice
fiberglass strip (2) X X * *
2.2 Accessories Required:
Splicing connectors
Additional rubber tape, if needed
"B" sealing tape, if needed
Visually inspect all components. If any component is missing or appears damaged, do
not install. Call 3M customer service at 1-800-426-8688 for a replacement product.
Kit Selection Guide
Kit Max. Pair Count ?
8981/High Gel* 4/24
8982/ High Gel** 18/24***
8983/High Gel 50/24
Max. Cable O.D.
0.625" (16 mm)
1" (25 mm)
1.5" (38 mm)
Max. Splice O.D.
1.5" (38 mm)
5.25" (133 mm)
9.75" (248 mm)
With High Gel Re?enterable Compound
(1) “A” Size Uni-pack 82 g (90 ml)
(1) “E” Size Uni-pack 266 g (292 ml)
(1) “D” Size Uni-pack 600 g (659 ml)
Approx. Inside Closure Dia.
0.5" (13 mm)
0.9" (22mm)
1.25" (32 mm)
3.0
Cable Preparations
8984/High Gel
8985/High Gel
100/22
400/22
2" (51 mm)
2.375" (60 mm)
9" (228 mm)
17" (431 mm)
(2) “D” Size Uni-pack 1200 g (1318 ml)
(5) “D” Size Uni-pack 2400 g (3295 ml)
2.25" (58 mm)
3.5" (90 mm)
3.1
Prepare the cables. Cut shield flush
with the outer sheath and scuff the
inner sheath (on double sheath cables).
Clean and Scuff
Inner Sheath
Clean and Scuff
Inner Sheath
8986/High Gel
*Intended for use on single cables only
**Not intended for use with MS 2? Modules.
600/22
3.33" (86 mm)
17" (431 mm) (10) “D” Size Uni-pack 6000 g (6590 ml)****
***On double sheath cable 14/24 is recommended maximum
****Additional compound may be required depending on cable size.
4.75" (120 mm)
3M ? Scotchcast ?
Kit Number
Splice Opening
Kit
8981-07*
Max. Pair Count ?
4/24
Max. Cable O.D.
0.625" (16 mm)
Max. Splice O.D.
1.5" (38 mm)
With Scotchcast 4407 Encapsulating Compound
(1) “A” Size Uni-pack 94 g (90 ml)
Approx. Inside Closure Dia.
0.5" (13 mm)
8891
8982
8983
8984
8985
1.5" (38 mm)
5.25" (133 mm)
9.75" (248 mm)
9" (228 mm)
17" (431 mm)
873510
Core Wrapper or
Inner Sheath
8981 1/2" (13 mm)
8982-86 1" (25 mm)
8982-07*
8983-07
8984-07
8985-07
8986-07
18/24
50/24
100/22
400/22
600/22
1" (25 mm)
1.5" (38 mm)
2" (51 mm)
2.375" (60 mm)
3.33" (86 mm)
5.25" (133 mm)
9.75" (248 mm)
9" (228 mm)
17" (431 mm)
17" (431 mm)
(1) “E” Size Uni-pack 300 g (290 ml)
(1) “D” Size Uni-pack 675 g (660 ml)
(2) “D” Size Uni-pack 1350 g (1320 ml)
(5) “D” Size Uni-pack 3375 g (2640 ml)
(10) “D” Size Uni-pack 6750 g (6600 ml)**
0.9" (22mm)
1.25" (32 mm)
2.25" (58 mm)
3.5" (90 mm)
4.75" (120 mm)
? Maximum pair count with 3M Scotchlok Connectors UY or 3M MS
8986
17" (431 mm)
*The 8981-07 and the 8982-07 kits are intended for use on single sheath cables only.
**Additional compound may be required depending on cable size.
? ? ? 2?
?? Inside closure diameter measured at center, minus spacer webbing.
Modules.
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